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ConnectPP---0.7.2.THM-Prf.s

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%------------------------------------------------------------------------------
% File     : ConnectPP---0.7.2
% Problem  : SEU158+2 : TPTP v9.3.1. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : /export/starexec/sandbox/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox/benchmark/theBenchmark.p

% Computer : n004.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Thu Sep 24 08:58:15 AM UTC 2026

% Result   : Theorem 11.35s 11.63s
% Output   : Proof 11.44s
% Verified : 
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)

% Comments : 
%------------------------------------------------------------------------------
fof(antisymmetry_r2_hidden,axiom,
    ! [A,B] :
      ( in(A,B)
     => ~ in(B,A) ),
    file('theBenchmark.p',antisymmetry_r2_hidden) ).

fof(antisymmetry_r2_xboole_0,axiom,
    ! [A,B] :
      ( proper_subset(A,B)
     => ~ proper_subset(B,A) ),
    file('theBenchmark.p',antisymmetry_r2_xboole_0) ).

fof(commutativity_k2_tarski,axiom,
    ! [A,B] : unordered_pair(A,B) = unordered_pair(B,A),
    file('theBenchmark.p',commutativity_k2_tarski) ).

fof(commutativity_k2_xboole_0,axiom,
    ! [A,B] : set_union2(A,B) = set_union2(B,A),
    file('theBenchmark.p',commutativity_k2_xboole_0) ).

fof(commutativity_k3_xboole_0,axiom,
    ! [A,B] : set_intersection2(A,B) = set_intersection2(B,A),
    file('theBenchmark.p',commutativity_k3_xboole_0) ).

fof(d10_xboole_0,axiom,
    ! [A,B] :
      ( A = B
    <=> ( subset(B,A)
        & subset(A,B) ) ),
    file('theBenchmark.p',d10_xboole_0) ).

fof(d1_tarski,axiom,
    ! [A,B] :
      ( B = singleton(A)
    <=> ! [C] :
          ( in(C,B)
        <=> C = A ) ),
    file('theBenchmark.p',d1_tarski) ).

fof(d1_xboole_0,axiom,
    ! [A] :
      ( A = empty_set
    <=> ! [B] : ~ in(B,A) ),
    file('theBenchmark.p',d1_xboole_0) ).

fof(d1_zfmisc_1,axiom,
    ! [A,B] :
      ( B = powerset(A)
    <=> ! [C] :
          ( in(C,B)
        <=> subset(C,A) ) ),
    file('theBenchmark.p',d1_zfmisc_1) ).

fof(d2_tarski,axiom,
    ! [A,B,C] :
      ( C = unordered_pair(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ( D = B
            | D = A ) ) ),
    file('theBenchmark.p',d2_tarski) ).

fof(d2_xboole_0,axiom,
    ! [A,B,C] :
      ( C = set_union2(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ( in(D,B)
            | in(D,A) ) ) ),
    file('theBenchmark.p',d2_xboole_0) ).

fof(d2_zfmisc_1,axiom,
    ! [A,B,C] :
      ( C = cartesian_product2(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ? [E,F] :
              ( D = ordered_pair(E,F)
              & in(F,B)
              & in(E,A) ) ) ),
    file('theBenchmark.p',d2_zfmisc_1) ).

fof(d3_tarski,axiom,
    ! [A,B] :
      ( subset(A,B)
    <=> ! [C] :
          ( in(C,A)
         => in(C,B) ) ),
    file('theBenchmark.p',d3_tarski) ).

fof(d3_xboole_0,axiom,
    ! [A,B,C] :
      ( C = set_intersection2(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ( in(D,B)
            & in(D,A) ) ) ),
    file('theBenchmark.p',d3_xboole_0) ).

fof(d4_tarski,axiom,
    ! [A,B] :
      ( B = union(A)
    <=> ! [C] :
          ( in(C,B)
        <=> ? [D] :
              ( in(D,A)
              & in(C,D) ) ) ),
    file('theBenchmark.p',d4_tarski) ).

fof(d4_xboole_0,axiom,
    ! [A,B,C] :
      ( C = set_difference(A,B)
    <=> ! [D] :
          ( in(D,C)
        <=> ( ~ in(D,B)
            & in(D,A) ) ) ),
    file('theBenchmark.p',d4_xboole_0) ).

fof(d5_tarski,axiom,
    ! [A,B] : ordered_pair(A,B) = unordered_pair(unordered_pair(A,B),singleton(A)),
    file('theBenchmark.p',d5_tarski) ).

fof(d7_xboole_0,axiom,
    ! [A,B] :
      ( disjoint(A,B)
    <=> set_intersection2(A,B) = empty_set ),
    file('theBenchmark.p',d7_xboole_0) ).

fof(d8_xboole_0,axiom,
    ! [A,B] :
      ( proper_subset(A,B)
    <=> ( A != B
        & subset(A,B) ) ),
    file('theBenchmark.p',d8_xboole_0) ).

fof(dt_k1_tarski,axiom,
    $true,
    file('theBenchmark.p',dt_k1_tarski) ).

fof(dt_k1_xboole_0,axiom,
    $true,
    file('theBenchmark.p',dt_k1_xboole_0) ).

fof(dt_k1_zfmisc_1,axiom,
    $true,
    file('theBenchmark.p',dt_k1_zfmisc_1) ).

fof(dt_k2_tarski,axiom,
    $true,
    file('theBenchmark.p',dt_k2_tarski) ).

fof(dt_k2_xboole_0,axiom,
    $true,
    file('theBenchmark.p',dt_k2_xboole_0) ).

fof(dt_k2_zfmisc_1,axiom,
    $true,
    file('theBenchmark.p',dt_k2_zfmisc_1) ).

fof(dt_k3_tarski,axiom,
    $true,
    file('theBenchmark.p',dt_k3_tarski) ).

fof(dt_k3_xboole_0,axiom,
    $true,
    file('theBenchmark.p',dt_k3_xboole_0) ).

fof(dt_k4_tarski,axiom,
    $true,
    file('theBenchmark.p',dt_k4_tarski) ).

fof(dt_k4_xboole_0,axiom,
    $true,
    file('theBenchmark.p',dt_k4_xboole_0) ).

fof(fc1_xboole_0,axiom,
    empty(empty_set),
    file('theBenchmark.p',fc1_xboole_0) ).

fof(fc1_zfmisc_1,axiom,
    ! [A,B] : ~ empty(ordered_pair(A,B)),
    file('theBenchmark.p',fc1_zfmisc_1) ).

fof(fc2_xboole_0,axiom,
    ! [A,B] :
      ( ~ empty(A)
     => ~ empty(set_union2(A,B)) ),
    file('theBenchmark.p',fc2_xboole_0) ).

fof(fc3_xboole_0,axiom,
    ! [A,B] :
      ( ~ empty(A)
     => ~ empty(set_union2(B,A)) ),
    file('theBenchmark.p',fc3_xboole_0) ).

fof(idempotence_k2_xboole_0,axiom,
    ! [A,B] : set_union2(A,A) = A,
    file('theBenchmark.p',idempotence_k2_xboole_0) ).

fof(idempotence_k3_xboole_0,axiom,
    ! [A,B] : set_intersection2(A,A) = A,
    file('theBenchmark.p',idempotence_k3_xboole_0) ).

fof(irreflexivity_r2_xboole_0,axiom,
    ! [A,B] : ~ proper_subset(A,A),
    file('theBenchmark.p',irreflexivity_r2_xboole_0) ).

fof(l1_zfmisc_1,lemma,
    ! [A] : singleton(A) != empty_set,
    file('theBenchmark.p',l1_zfmisc_1) ).

fof(l23_zfmisc_1,lemma,
    ! [A,B] :
      ( in(A,B)
     => set_union2(singleton(A),B) = B ),
    file('theBenchmark.p',l23_zfmisc_1) ).

fof(l25_zfmisc_1,lemma,
    ! [A,B] :
      ~ ( in(A,B)
        & disjoint(singleton(A),B) ),
    file('theBenchmark.p',l25_zfmisc_1) ).

fof(l28_zfmisc_1,lemma,
    ! [A,B] :
      ( ~ in(A,B)
     => disjoint(singleton(A),B) ),
    file('theBenchmark.p',l28_zfmisc_1) ).

fof(l2_zfmisc_1,lemma,
    ! [A,B] :
      ( subset(singleton(A),B)
    <=> in(A,B) ),
    file('theBenchmark.p',l2_zfmisc_1) ).

fof(l32_xboole_1,lemma,
    ! [A,B] :
      ( set_difference(A,B) = empty_set
    <=> subset(A,B) ),
    file('theBenchmark.p',l32_xboole_1) ).

fof(l3_zfmisc_1,lemma,
    ! [A,B,C] :
      ( subset(A,B)
     => ( subset(A,set_difference(B,singleton(C)))
        | in(C,A) ) ),
    file('theBenchmark.p',l3_zfmisc_1) ).

fof(l4_zfmisc_1,lemma,
    ! [A,B] :
      ( subset(A,singleton(B))
    <=> ( A = singleton(B)
        | A = empty_set ) ),
    file('theBenchmark.p',l4_zfmisc_1) ).

fof(l50_zfmisc_1,lemma,
    ! [A,B] :
      ( in(A,B)
     => subset(A,union(B)) ),
    file('theBenchmark.p',l50_zfmisc_1) ).

fof(l55_zfmisc_1,lemma,
    ! [A,B,C,D] :
      ( in(ordered_pair(A,B),cartesian_product2(C,D))
    <=> ( in(B,D)
        & in(A,C) ) ),
    file('theBenchmark.p',l55_zfmisc_1) ).

fof(rc1_xboole_0,axiom,
    ? [A] : empty(A),
    file('theBenchmark.p',rc1_xboole_0) ).

fof(rc2_xboole_0,axiom,
    ? [A] : ~ empty(A),
    file('theBenchmark.p',rc2_xboole_0) ).

fof(reflexivity_r1_tarski,axiom,
    ! [A,B] : subset(A,A),
    file('theBenchmark.p',reflexivity_r1_tarski) ).

fof(symmetry_r1_xboole_0,axiom,
    ! [A,B] :
      ( disjoint(A,B)
     => disjoint(B,A) ),
    file('theBenchmark.p',symmetry_r1_xboole_0) ).

fof(t10_zfmisc_1,lemma,
    ! [A,B,C,D] :
      ~ ( A != D
        & A != C
        & unordered_pair(A,B) = unordered_pair(C,D) ),
    file('theBenchmark.p',t10_zfmisc_1) ).

fof(t12_xboole_1,lemma,
    ! [A,B] :
      ( subset(A,B)
     => set_union2(A,B) = B ),
    file('theBenchmark.p',t12_xboole_1) ).

fof(t17_xboole_1,lemma,
    ! [A,B] : subset(set_intersection2(A,B),A),
    file('theBenchmark.p',t17_xboole_1) ).

fof(t19_xboole_1,lemma,
    ! [A,B,C] :
      ( ( subset(A,C)
        & subset(A,B) )
     => subset(A,set_intersection2(B,C)) ),
    file('theBenchmark.p',t19_xboole_1) ).

fof(t1_boole,axiom,
    ! [A] : set_union2(A,empty_set) = A,
    file('theBenchmark.p',t1_boole) ).

fof(t1_xboole_1,lemma,
    ! [A,B,C] :
      ( ( subset(B,C)
        & subset(A,B) )
     => subset(A,C) ),
    file('theBenchmark.p',t1_xboole_1) ).

fof(t1_zfmisc_1,lemma,
    powerset(empty_set) = singleton(empty_set),
    file('theBenchmark.p',t1_zfmisc_1) ).

fof(t26_xboole_1,lemma,
    ! [A,B,C] :
      ( subset(A,B)
     => subset(set_intersection2(A,C),set_intersection2(B,C)) ),
    file('theBenchmark.p',t26_xboole_1) ).

fof(t28_xboole_1,lemma,
    ! [A,B] :
      ( subset(A,B)
     => set_intersection2(A,B) = A ),
    file('theBenchmark.p',t28_xboole_1) ).

fof(t2_boole,axiom,
    ! [A] : set_intersection2(A,empty_set) = empty_set,
    file('theBenchmark.p',t2_boole) ).

fof(t2_tarski,axiom,
    ! [A,B] :
      ( ! [C] :
          ( in(C,A)
        <=> in(C,B) )
     => A = B ),
    file('theBenchmark.p',t2_tarski) ).

fof(t2_xboole_1,lemma,
    ! [A] : subset(empty_set,A),
    file('theBenchmark.p',t2_xboole_1) ).

fof(t33_xboole_1,lemma,
    ! [A,B,C] :
      ( subset(A,B)
     => subset(set_difference(A,C),set_difference(B,C)) ),
    file('theBenchmark.p',t33_xboole_1) ).

fof(t33_zfmisc_1,lemma,
    ! [A,B,C,D] :
      ( ordered_pair(A,B) = ordered_pair(C,D)
     => ( B = D
        & A = C ) ),
    file('theBenchmark.p',t33_zfmisc_1) ).

fof(t36_xboole_1,lemma,
    ! [A,B] : subset(set_difference(A,B),A),
    file('theBenchmark.p',t36_xboole_1) ).

fof(t37_xboole_1,lemma,
    ! [A,B] :
      ( set_difference(A,B) = empty_set
    <=> subset(A,B) ),
    file('theBenchmark.p',t37_xboole_1) ).

fof(t37_zfmisc_1,conjecture,
    ! [A,B] :
      ( subset(singleton(A),B)
    <=> in(A,B) ),
    file('theBenchmark.p',t37_zfmisc_1) ).

fof(t39_xboole_1,lemma,
    ! [A,B] : set_union2(A,set_difference(B,A)) = set_union2(A,B),
    file('theBenchmark.p',t39_xboole_1) ).

fof(t3_boole,axiom,
    ! [A] : set_difference(A,empty_set) = A,
    file('theBenchmark.p',t3_boole) ).

fof(t3_xboole_0,lemma,
    ! [A,B] :
      ( ~ ( disjoint(A,B)
          & ? [C] :
              ( in(C,B)
              & in(C,A) ) )
      & ~ ( ! [C] :
              ~ ( in(C,B)
                & in(C,A) )
          & ~ disjoint(A,B) ) ),
    file('theBenchmark.p',t3_xboole_0) ).

fof(t3_xboole_1,lemma,
    ! [A] :
      ( subset(A,empty_set)
     => A = empty_set ),
    file('theBenchmark.p',t3_xboole_1) ).

fof(t40_xboole_1,lemma,
    ! [A,B] : set_difference(set_union2(A,B),B) = set_difference(A,B),
    file('theBenchmark.p',t40_xboole_1) ).

fof(t45_xboole_1,lemma,
    ! [A,B] :
      ( subset(A,B)
     => B = set_union2(A,set_difference(B,A)) ),
    file('theBenchmark.p',t45_xboole_1) ).

fof(t48_xboole_1,lemma,
    ! [A,B] : set_difference(A,set_difference(A,B)) = set_intersection2(A,B),
    file('theBenchmark.p',t48_xboole_1) ).

fof(t4_boole,axiom,
    ! [A] : set_difference(empty_set,A) = empty_set,
    file('theBenchmark.p',t4_boole) ).

fof(t4_xboole_0,lemma,
    ! [A,B] :
      ( ~ ( disjoint(A,B)
          & ? [C] : in(C,set_intersection2(A,B)) )
      & ~ ( ! [C] : ~ in(C,set_intersection2(A,B))
          & ~ disjoint(A,B) ) ),
    file('theBenchmark.p',t4_xboole_0) ).

fof(t60_xboole_1,lemma,
    ! [A,B] :
      ~ ( proper_subset(B,A)
        & subset(A,B) ),
    file('theBenchmark.p',t60_xboole_1) ).

fof(t63_xboole_1,lemma,
    ! [A,B,C] :
      ( ( disjoint(B,C)
        & subset(A,B) )
     => disjoint(A,C) ),
    file('theBenchmark.p',t63_xboole_1) ).

fof(t69_enumset1,lemma,
    ! [A] : unordered_pair(A,A) = singleton(A),
    file('theBenchmark.p',t69_enumset1) ).

fof(t6_boole,axiom,
    ! [A] :
      ( empty(A)
     => A = empty_set ),
    file('theBenchmark.p',t6_boole) ).

fof(t6_zfmisc_1,lemma,
    ! [A,B] :
      ( subset(singleton(A),singleton(B))
     => A = B ),
    file('theBenchmark.p',t6_zfmisc_1) ).

fof(t7_boole,axiom,
    ! [A,B] :
      ~ ( empty(B)
        & in(A,B) ),
    file('theBenchmark.p',t7_boole) ).

fof(t7_xboole_1,lemma,
    ! [A,B] : subset(A,set_union2(A,B)),
    file('theBenchmark.p',t7_xboole_1) ).

fof(t83_xboole_1,lemma,
    ! [A,B] :
      ( disjoint(A,B)
    <=> set_difference(A,B) = A ),
    file('theBenchmark.p',t83_xboole_1) ).

fof(t8_boole,axiom,
    ! [A,B] :
      ~ ( empty(B)
        & A != B
        & empty(A) ),
    file('theBenchmark.p',t8_boole) ).

fof(t8_xboole_1,lemma,
    ! [A,B,C] :
      ( ( subset(C,B)
        & subset(A,B) )
     => subset(set_union2(A,C),B) ),
    file('theBenchmark.p',t8_xboole_1) ).

fof(t8_zfmisc_1,lemma,
    ! [A,B,C] :
      ( singleton(A) = unordered_pair(B,C)
     => A = B ),
    file('theBenchmark.p',t8_zfmisc_1) ).

fof(t9_zfmisc_1,lemma,
    ! [A,B,C] :
      ( singleton(A) = unordered_pair(B,C)
     => B = C ),
    file('theBenchmark.p',t9_zfmisc_1) ).

fof(f_1_1,plain,
    ! [A,B] :
      ( ~ in(B,A)
      | ~ in(A,B) ),
    inference(fof_nnf,[status(thm)],[antisymmetry_r2_hidden]) ).

fof(f_1_2,plain,
    ! [U_1,U_0] :
      ( ~ in(U_0,U_1)
      | ~ in(U_1,U_0) ),
    inference(variable_rename,[status(thm)],[f_1_1]) ).

cnf(f_1_3,plain,
    ( ~ in(U_0,U_1)
    | ~ in(U_1,U_0) ),
    inference(clausify,[status(thm)],[f_1_2]) ).

fof(f_2_1,plain,
    ! [A,B] :
      ( ~ proper_subset(B,A)
      | ~ proper_subset(A,B) ),
    inference(fof_nnf,[status(thm)],[antisymmetry_r2_xboole_0]) ).

fof(f_2_2,plain,
    ! [U_3,U_2] :
      ( ~ proper_subset(U_2,U_3)
      | ~ proper_subset(U_3,U_2) ),
    inference(variable_rename,[status(thm)],[f_2_1]) ).

cnf(f_2_3,plain,
    ( ~ proper_subset(U_2,U_3)
    | ~ proper_subset(U_3,U_2) ),
    inference(clausify,[status(thm)],[f_2_2]) ).

fof(f_3_1,plain,
    ! [A,B] : unordered_pair(A,B) = unordered_pair(B,A),
    inference(fof_nnf,[status(thm)],[commutativity_k2_tarski]) ).

fof(f_3_2,plain,
    ! [U_5,U_4] : unordered_pair(U_5,U_4) = unordered_pair(U_4,U_5),
    inference(variable_rename,[status(thm)],[f_3_1]) ).

cnf(f_3_3,plain,
    unordered_pair(U_5,U_4) = unordered_pair(U_4,U_5),
    inference(clausify,[status(thm)],[f_3_2]) ).

fof(f_4_1,plain,
    ! [A,B] : set_union2(A,B) = set_union2(B,A),
    inference(fof_nnf,[status(thm)],[commutativity_k2_xboole_0]) ).

fof(f_4_2,plain,
    ! [U_7,U_6] : set_union2(U_7,U_6) = set_union2(U_6,U_7),
    inference(variable_rename,[status(thm)],[f_4_1]) ).

cnf(f_4_3,plain,
    set_union2(U_7,U_6) = set_union2(U_6,U_7),
    inference(clausify,[status(thm)],[f_4_2]) ).

fof(f_5_1,plain,
    ! [A,B] : set_intersection2(A,B) = set_intersection2(B,A),
    inference(fof_nnf,[status(thm)],[commutativity_k3_xboole_0]) ).

fof(f_5_2,plain,
    ! [U_9,U_8] : set_intersection2(U_9,U_8) = set_intersection2(U_8,U_9),
    inference(variable_rename,[status(thm)],[f_5_1]) ).

cnf(f_5_3,plain,
    set_intersection2(U_9,U_8) = set_intersection2(U_8,U_9),
    inference(clausify,[status(thm)],[f_5_2]) ).

fof(f_6_1,plain,
    ! [A,B] :
      ( ( A = B
        | ~ subset(B,A)
        | ~ subset(A,B) )
      & ( ( subset(B,A)
          & subset(A,B) )
        | A != B ) ),
    inference(fof_nnf,[status(thm)],[d10_xboole_0]) ).

fof(f_6_2,plain,
    ! [U_11,U_10] :
      ( ( U_11 = U_10
        | ~ subset(U_10,U_11)
        | ~ subset(U_11,U_10) )
      & ( ( subset(U_10,U_11)
          & subset(U_11,U_10) )
        | U_11 != U_10 ) ),
    inference(variable_rename,[status(thm)],[f_6_1]) ).

fof(f_6_3,plain,
    ( ! [U_15,U_13] :
        ( U_15 = U_13
        | ~ subset(U_13,U_15)
        | ~ subset(U_15,U_13) )
    & ! [U_14,U_12] :
        ( ( subset(U_12,U_14)
          & subset(U_14,U_12) )
        | U_14 != U_12 ) ),
    inference(miniscope,[status(thm)],[f_6_2]) ).

cnf(f_6_4,plain,
    ( subset(U_14,U_12)
    | U_14 != U_12 ),
    inference(clausify,[status(thm)],[f_6_3]) ).

cnf(f_6_5,plain,
    ( subset(U_12,U_14)
    | U_14 != U_12 ),
    inference(clausify,[status(thm)],[f_6_3]) ).

cnf(f_6_6,plain,
    ( U_15 = U_13
    | ~ subset(U_13,U_15)
    | ~ subset(U_15,U_13) ),
    inference(clausify,[status(thm)],[f_6_3]) ).

fof(f_7_1,plain,
    ! [A,B] :
      ( ( B = singleton(A)
        | ? [C] :
            ( ( ~ in(C,B)
              & C = A )
            | ( C != A
              & in(C,B) ) ) )
      & ( ! [C] :
            ( ( in(C,B)
              | C != A )
            & ( C = A
              | ~ in(C,B) ) )
        | B != singleton(A) ) ),
    inference(fof_nnf,[status(thm)],[d1_tarski]) ).

fof(f_7_2,plain,
    ! [U_19,U_18] :
      ( ( U_18 = singleton(U_19)
        | ? [U_17] :
            ( ( ~ in(U_17,U_18)
              & U_17 = U_19 )
            | ( U_17 != U_19
              & in(U_17,U_18) ) ) )
      & ( ! [U_16] :
            ( ( in(U_16,U_18)
              | U_16 != U_19 )
            & ( U_16 = U_19
              | ~ in(U_16,U_18) ) )
        | U_18 != singleton(U_19) ) ),
    inference(variable_rename,[status(thm)],[f_7_1]) ).

fof(f_7_3,plain,
    ( ! [U_27,U_25] :
        ( U_25 = singleton(U_27)
        | ? [U_23] :
            ( ~ in(U_23,U_25)
            & U_23 = U_27 )
        | ? [U_22] :
            ( U_22 != U_27
            & in(U_22,U_25) ) )
    & ! [U_26,U_24] :
        ( ( ! [U_21] :
              ( in(U_21,U_24)
              | U_21 != U_26 )
          & ! [U_20] :
              ( U_20 = U_26
              | ~ in(U_20,U_24) ) )
        | U_24 != singleton(U_26) ) ),
    inference(miniscope,[status(thm)],[f_7_2]) ).

fof(f_7_4,plain,
    ( ! [U_27,U_25] :
        ( U_25 = singleton(U_27)
        | ? [U_23] :
            ( ~ in(U_23,U_25)
            & U_23 = U_27 )
        | ( sK1(U_27,U_25) != U_27
          & in(sK1(U_27,U_25),U_25) ) )
    & ! [U_26,U_24] :
        ( ( ! [U_21] :
              ( in(U_21,U_24)
              | U_21 != U_26 )
          & ! [U_20] :
              ( U_20 = U_26
              | ~ in(U_20,U_24) ) )
        | U_24 != singleton(U_26) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK1]),skolemize(U_22,sK1(U_27,U_25))],[f_7_3]) ).

fof(f_7_5,plain,
    ( ! [U_27,U_25] :
        ( U_25 = singleton(U_27)
        | ( ~ in(sK2(U_27,U_25),U_25)
          & sK2(U_27,U_25) = U_27 )
        | ( sK1(U_27,U_25) != U_27
          & in(sK1(U_27,U_25),U_25) ) )
    & ! [U_26,U_24] :
        ( ( ! [U_21] :
              ( in(U_21,U_24)
              | U_21 != U_26 )
          & ! [U_20] :
              ( U_20 = U_26
              | ~ in(U_20,U_24) ) )
        | U_24 != singleton(U_26) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK2]),skolemize(U_23,sK2(U_27,U_25))],[f_7_4]) ).

cnf(f_7_6,plain,
    ( U_20 = U_26
    | ~ in(U_20,U_24)
    | U_24 != singleton(U_26) ),
    inference(clausify,[status(thm)],[f_7_5]) ).

cnf(f_7_7,plain,
    ( in(U_21,U_24)
    | U_21 != U_26
    | U_24 != singleton(U_26) ),
    inference(clausify,[status(thm)],[f_7_5]) ).

cnf(f_7_8,plain,
    ( sK2(U_27,U_25) = U_27
    | in(sK1(U_27,U_25),U_25)
    | U_25 = singleton(U_27) ),
    inference(clausify,[status(thm)],[f_7_5]) ).

cnf(f_7_9,plain,
    ( ~ in(sK2(U_27,U_25),U_25)
    | in(sK1(U_27,U_25),U_25)
    | U_25 = singleton(U_27) ),
    inference(clausify,[status(thm)],[f_7_5]) ).

cnf(f_7_10,plain,
    ( sK2(U_27,U_25) = U_27
    | sK1(U_27,U_25) != U_27
    | U_25 = singleton(U_27) ),
    inference(clausify,[status(thm)],[f_7_5]) ).

cnf(f_7_11,plain,
    ( ~ in(sK2(U_27,U_25),U_25)
    | sK1(U_27,U_25) != U_27
    | U_25 = singleton(U_27) ),
    inference(clausify,[status(thm)],[f_7_5]) ).

fof(f_8_1,plain,
    ! [A] :
      ( ( A = empty_set
        | ? [B] : in(B,A) )
      & ( ! [B] : ~ in(B,A)
        | A != empty_set ) ),
    inference(fof_nnf,[status(thm)],[d1_xboole_0]) ).

fof(f_8_2,plain,
    ! [U_30] :
      ( ( U_30 = empty_set
        | ? [U_29] : in(U_29,U_30) )
      & ( ! [U_28] : ~ in(U_28,U_30)
        | U_30 != empty_set ) ),
    inference(variable_rename,[status(thm)],[f_8_1]) ).

fof(f_8_3,plain,
    ( ! [U_32] :
        ( U_32 = empty_set
        | ? [U_29] : in(U_29,U_32) )
    & ! [U_31] :
        ( ! [U_28] : ~ in(U_28,U_31)
        | U_31 != empty_set ) ),
    inference(miniscope,[status(thm)],[f_8_2]) ).

fof(f_8_4,plain,
    ( ! [U_32] :
        ( U_32 = empty_set
        | in(sK3(U_32),U_32) )
    & ! [U_31] :
        ( ! [U_28] : ~ in(U_28,U_31)
        | U_31 != empty_set ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK3]),skolemize(U_29,sK3(U_32))],[f_8_3]) ).

cnf(f_8_5,plain,
    ( ~ in(U_28,U_31)
    | U_31 != empty_set ),
    inference(clausify,[status(thm)],[f_8_4]) ).

cnf(f_8_6,plain,
    ( U_32 = empty_set
    | in(sK3(U_32),U_32) ),
    inference(clausify,[status(thm)],[f_8_4]) ).

fof(f_9_1,plain,
    ! [A,B] :
      ( ( B = powerset(A)
        | ? [C] :
            ( ( ~ in(C,B)
              & subset(C,A) )
            | ( ~ subset(C,A)
              & in(C,B) ) ) )
      & ( ! [C] :
            ( ( in(C,B)
              | ~ subset(C,A) )
            & ( subset(C,A)
              | ~ in(C,B) ) )
        | B != powerset(A) ) ),
    inference(fof_nnf,[status(thm)],[d1_zfmisc_1]) ).

fof(f_9_2,plain,
    ! [U_36,U_35] :
      ( ( U_35 = powerset(U_36)
        | ? [U_34] :
            ( ( ~ in(U_34,U_35)
              & subset(U_34,U_36) )
            | ( ~ subset(U_34,U_36)
              & in(U_34,U_35) ) ) )
      & ( ! [U_33] :
            ( ( in(U_33,U_35)
              | ~ subset(U_33,U_36) )
            & ( subset(U_33,U_36)
              | ~ in(U_33,U_35) ) )
        | U_35 != powerset(U_36) ) ),
    inference(variable_rename,[status(thm)],[f_9_1]) ).

fof(f_9_3,plain,
    ( ! [U_44,U_42] :
        ( U_42 = powerset(U_44)
        | ? [U_40] :
            ( ~ in(U_40,U_42)
            & subset(U_40,U_44) )
        | ? [U_39] :
            ( ~ subset(U_39,U_44)
            & in(U_39,U_42) ) )
    & ! [U_43,U_41] :
        ( ( ! [U_38] :
              ( in(U_38,U_41)
              | ~ subset(U_38,U_43) )
          & ! [U_37] :
              ( subset(U_37,U_43)
              | ~ in(U_37,U_41) ) )
        | U_41 != powerset(U_43) ) ),
    inference(miniscope,[status(thm)],[f_9_2]) ).

fof(f_9_4,plain,
    ( ! [U_44,U_42] :
        ( U_42 = powerset(U_44)
        | ? [U_40] :
            ( ~ in(U_40,U_42)
            & subset(U_40,U_44) )
        | ( ~ subset(sK4(U_44,U_42),U_44)
          & in(sK4(U_44,U_42),U_42) ) )
    & ! [U_43,U_41] :
        ( ( ! [U_38] :
              ( in(U_38,U_41)
              | ~ subset(U_38,U_43) )
          & ! [U_37] :
              ( subset(U_37,U_43)
              | ~ in(U_37,U_41) ) )
        | U_41 != powerset(U_43) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK4]),skolemize(U_39,sK4(U_44,U_42))],[f_9_3]) ).

fof(f_9_5,plain,
    ( ! [U_44,U_42] :
        ( U_42 = powerset(U_44)
        | ( ~ in(sK5(U_44,U_42),U_42)
          & subset(sK5(U_44,U_42),U_44) )
        | ( ~ subset(sK4(U_44,U_42),U_44)
          & in(sK4(U_44,U_42),U_42) ) )
    & ! [U_43,U_41] :
        ( ( ! [U_38] :
              ( in(U_38,U_41)
              | ~ subset(U_38,U_43) )
          & ! [U_37] :
              ( subset(U_37,U_43)
              | ~ in(U_37,U_41) ) )
        | U_41 != powerset(U_43) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK5]),skolemize(U_40,sK5(U_44,U_42))],[f_9_4]) ).

cnf(f_9_6,plain,
    ( subset(U_37,U_43)
    | ~ in(U_37,U_41)
    | U_41 != powerset(U_43) ),
    inference(clausify,[status(thm)],[f_9_5]) ).

cnf(f_9_7,plain,
    ( in(U_38,U_41)
    | ~ subset(U_38,U_43)
    | U_41 != powerset(U_43) ),
    inference(clausify,[status(thm)],[f_9_5]) ).

cnf(f_9_8,plain,
    ( subset(sK5(U_44,U_42),U_44)
    | in(sK4(U_44,U_42),U_42)
    | U_42 = powerset(U_44) ),
    inference(clausify,[status(thm)],[f_9_5]) ).

cnf(f_9_9,plain,
    ( ~ in(sK5(U_44,U_42),U_42)
    | in(sK4(U_44,U_42),U_42)
    | U_42 = powerset(U_44) ),
    inference(clausify,[status(thm)],[f_9_5]) ).

cnf(f_9_10,plain,
    ( subset(sK5(U_44,U_42),U_44)
    | ~ subset(sK4(U_44,U_42),U_44)
    | U_42 = powerset(U_44) ),
    inference(clausify,[status(thm)],[f_9_5]) ).

cnf(f_9_11,plain,
    ( ~ in(sK5(U_44,U_42),U_42)
    | ~ subset(sK4(U_44,U_42),U_44)
    | U_42 = powerset(U_44) ),
    inference(clausify,[status(thm)],[f_9_5]) ).

fof(f_10_1,plain,
    ! [A,B,C] :
      ( ( C = unordered_pair(A,B)
        | ? [D] :
            ( ( ~ in(D,C)
              & ( D = B
                | D = A ) )
            | ( D != B
              & D != A
              & in(D,C) ) ) )
      & ( ! [D] :
            ( ( in(D,C)
              | ( D != B
                & D != A ) )
            & ( D = B
              | D = A
              | ~ in(D,C) ) )
        | C != unordered_pair(A,B) ) ),
    inference(fof_nnf,[status(thm)],[d2_tarski]) ).

fof(f_10_2,plain,
    ! [U_49,U_48,U_47] :
      ( ( U_47 = unordered_pair(U_49,U_48)
        | ? [U_46] :
            ( ( ~ in(U_46,U_47)
              & ( U_46 = U_48
                | U_46 = U_49 ) )
            | ( U_46 != U_48
              & U_46 != U_49
              & in(U_46,U_47) ) ) )
      & ( ! [U_45] :
            ( ( in(U_45,U_47)
              | ( U_45 != U_48
                & U_45 != U_49 ) )
            & ( U_45 = U_48
              | U_45 = U_49
              | ~ in(U_45,U_47) ) )
        | U_47 != unordered_pair(U_49,U_48) ) ),
    inference(variable_rename,[status(thm)],[f_10_1]) ).

fof(f_10_3,plain,
    ( ! [U_59,U_57,U_55] :
        ( U_55 = unordered_pair(U_59,U_57)
        | ? [U_53] :
            ( ~ in(U_53,U_55)
            & ( U_53 = U_57
              | U_53 = U_59 ) )
        | ? [U_52] :
            ( U_52 != U_57
            & U_52 != U_59
            & in(U_52,U_55) ) )
    & ! [U_58,U_56,U_54] :
        ( ( ! [U_51] :
              ( in(U_51,U_54)
              | ( U_51 != U_56
                & U_51 != U_58 ) )
          & ! [U_50] :
              ( U_50 = U_56
              | U_50 = U_58
              | ~ in(U_50,U_54) ) )
        | U_54 != unordered_pair(U_58,U_56) ) ),
    inference(miniscope,[status(thm)],[f_10_2]) ).

fof(f_10_4,plain,
    ( ! [U_59,U_57,U_55] :
        ( U_55 = unordered_pair(U_59,U_57)
        | ? [U_53] :
            ( ~ in(U_53,U_55)
            & ( U_53 = U_57
              | U_53 = U_59 ) )
        | ( sK6(U_59,U_57,U_55) != U_57
          & sK6(U_59,U_57,U_55) != U_59
          & in(sK6(U_59,U_57,U_55),U_55) ) )
    & ! [U_58,U_56,U_54] :
        ( ( ! [U_51] :
              ( in(U_51,U_54)
              | ( U_51 != U_56
                & U_51 != U_58 ) )
          & ! [U_50] :
              ( U_50 = U_56
              | U_50 = U_58
              | ~ in(U_50,U_54) ) )
        | U_54 != unordered_pair(U_58,U_56) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK6]),skolemize(U_52,sK6(U_59,U_57,U_55))],[f_10_3]) ).

fof(f_10_5,plain,
    ( ! [U_59,U_57,U_55] :
        ( U_55 = unordered_pair(U_59,U_57)
        | ( ~ in(sK7(U_59,U_57,U_55),U_55)
          & ( sK7(U_59,U_57,U_55) = U_57
            | sK7(U_59,U_57,U_55) = U_59 ) )
        | ( sK6(U_59,U_57,U_55) != U_57
          & sK6(U_59,U_57,U_55) != U_59
          & in(sK6(U_59,U_57,U_55),U_55) ) )
    & ! [U_58,U_56,U_54] :
        ( ( ! [U_51] :
              ( in(U_51,U_54)
              | ( U_51 != U_56
                & U_51 != U_58 ) )
          & ! [U_50] :
              ( U_50 = U_56
              | U_50 = U_58
              | ~ in(U_50,U_54) ) )
        | U_54 != unordered_pair(U_58,U_56) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK7]),skolemize(U_53,sK7(U_59,U_57,U_55))],[f_10_4]) ).

cnf(f_10_6,plain,
    ( U_50 = U_56
    | U_50 = U_58
    | ~ in(U_50,U_54)
    | U_54 != unordered_pair(U_58,U_56) ),
    inference(clausify,[status(thm)],[f_10_5]) ).

cnf(f_10_7,plain,
    ( U_51 != U_58
    | in(U_51,U_54)
    | U_54 != unordered_pair(U_58,U_56) ),
    inference(clausify,[status(thm)],[f_10_5]) ).

cnf(f_10_8,plain,
    ( U_51 != U_56
    | in(U_51,U_54)
    | U_54 != unordered_pair(U_58,U_56) ),
    inference(clausify,[status(thm)],[f_10_5]) ).

cnf(f_10_9,plain,
    ( sK7(U_59,U_57,U_55) = U_57
    | sK7(U_59,U_57,U_55) = U_59
    | in(sK6(U_59,U_57,U_55),U_55)
    | U_55 = unordered_pair(U_59,U_57) ),
    inference(clausify,[status(thm)],[f_10_5]) ).

cnf(f_10_10,plain,
    ( ~ in(sK7(U_59,U_57,U_55),U_55)
    | in(sK6(U_59,U_57,U_55),U_55)
    | U_55 = unordered_pair(U_59,U_57) ),
    inference(clausify,[status(thm)],[f_10_5]) ).

cnf(f_10_11,plain,
    ( sK6(U_59,U_57,U_55) != U_59
    | sK7(U_59,U_57,U_55) = U_57
    | sK7(U_59,U_57,U_55) = U_59
    | U_55 = unordered_pair(U_59,U_57) ),
    inference(clausify,[status(thm)],[f_10_5]) ).

cnf(f_10_12,plain,
    ( sK6(U_59,U_57,U_55) != U_57
    | sK7(U_59,U_57,U_55) = U_57
    | sK7(U_59,U_57,U_55) = U_59
    | U_55 = unordered_pair(U_59,U_57) ),
    inference(clausify,[status(thm)],[f_10_5]) ).

cnf(f_10_13,plain,
    ( sK6(U_59,U_57,U_55) != U_59
    | ~ in(sK7(U_59,U_57,U_55),U_55)
    | U_55 = unordered_pair(U_59,U_57) ),
    inference(clausify,[status(thm)],[f_10_5]) ).

cnf(f_10_14,plain,
    ( sK6(U_59,U_57,U_55) != U_57
    | ~ in(sK7(U_59,U_57,U_55),U_55)
    | U_55 = unordered_pair(U_59,U_57) ),
    inference(clausify,[status(thm)],[f_10_5]) ).

fof(f_11_1,plain,
    ! [A,B,C] :
      ( ( C = set_union2(A,B)
        | ? [D] :
            ( ( ~ in(D,C)
              & ( in(D,B)
                | in(D,A) ) )
            | ( ~ in(D,B)
              & ~ in(D,A)
              & in(D,C) ) ) )
      & ( ! [D] :
            ( ( in(D,C)
              | ( ~ in(D,B)
                & ~ in(D,A) ) )
            & ( in(D,B)
              | in(D,A)
              | ~ in(D,C) ) )
        | C != set_union2(A,B) ) ),
    inference(fof_nnf,[status(thm)],[d2_xboole_0]) ).

fof(f_11_2,plain,
    ! [U_64,U_63,U_62] :
      ( ( U_62 = set_union2(U_64,U_63)
        | ? [U_61] :
            ( ( ~ in(U_61,U_62)
              & ( in(U_61,U_63)
                | in(U_61,U_64) ) )
            | ( ~ in(U_61,U_63)
              & ~ in(U_61,U_64)
              & in(U_61,U_62) ) ) )
      & ( ! [U_60] :
            ( ( in(U_60,U_62)
              | ( ~ in(U_60,U_63)
                & ~ in(U_60,U_64) ) )
            & ( in(U_60,U_63)
              | in(U_60,U_64)
              | ~ in(U_60,U_62) ) )
        | U_62 != set_union2(U_64,U_63) ) ),
    inference(variable_rename,[status(thm)],[f_11_1]) ).

fof(f_11_3,plain,
    ( ! [U_74,U_72,U_70] :
        ( U_70 = set_union2(U_74,U_72)
        | ? [U_68] :
            ( ~ in(U_68,U_70)
            & ( in(U_68,U_72)
              | in(U_68,U_74) ) )
        | ? [U_67] :
            ( ~ in(U_67,U_72)
            & ~ in(U_67,U_74)
            & in(U_67,U_70) ) )
    & ! [U_73,U_71,U_69] :
        ( ( ! [U_66] :
              ( in(U_66,U_69)
              | ( ~ in(U_66,U_71)
                & ~ in(U_66,U_73) ) )
          & ! [U_65] :
              ( in(U_65,U_71)
              | in(U_65,U_73)
              | ~ in(U_65,U_69) ) )
        | U_69 != set_union2(U_73,U_71) ) ),
    inference(miniscope,[status(thm)],[f_11_2]) ).

fof(f_11_4,plain,
    ( ! [U_74,U_72,U_70] :
        ( U_70 = set_union2(U_74,U_72)
        | ? [U_68] :
            ( ~ in(U_68,U_70)
            & ( in(U_68,U_72)
              | in(U_68,U_74) ) )
        | ( ~ in(sK8(U_74,U_72,U_70),U_72)
          & ~ in(sK8(U_74,U_72,U_70),U_74)
          & in(sK8(U_74,U_72,U_70),U_70) ) )
    & ! [U_73,U_71,U_69] :
        ( ( ! [U_66] :
              ( in(U_66,U_69)
              | ( ~ in(U_66,U_71)
                & ~ in(U_66,U_73) ) )
          & ! [U_65] :
              ( in(U_65,U_71)
              | in(U_65,U_73)
              | ~ in(U_65,U_69) ) )
        | U_69 != set_union2(U_73,U_71) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK8]),skolemize(U_67,sK8(U_74,U_72,U_70))],[f_11_3]) ).

fof(f_11_5,plain,
    ( ! [U_74,U_72,U_70] :
        ( U_70 = set_union2(U_74,U_72)
        | ( ~ in(sK9(U_74,U_72,U_70),U_70)
          & ( in(sK9(U_74,U_72,U_70),U_72)
            | in(sK9(U_74,U_72,U_70),U_74) ) )
        | ( ~ in(sK8(U_74,U_72,U_70),U_72)
          & ~ in(sK8(U_74,U_72,U_70),U_74)
          & in(sK8(U_74,U_72,U_70),U_70) ) )
    & ! [U_73,U_71,U_69] :
        ( ( ! [U_66] :
              ( in(U_66,U_69)
              | ( ~ in(U_66,U_71)
                & ~ in(U_66,U_73) ) )
          & ! [U_65] :
              ( in(U_65,U_71)
              | in(U_65,U_73)
              | ~ in(U_65,U_69) ) )
        | U_69 != set_union2(U_73,U_71) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK9]),skolemize(U_68,sK9(U_74,U_72,U_70))],[f_11_4]) ).

cnf(f_11_6,plain,
    ( in(U_65,U_71)
    | in(U_65,U_73)
    | ~ in(U_65,U_69)
    | U_69 != set_union2(U_73,U_71) ),
    inference(clausify,[status(thm)],[f_11_5]) ).

cnf(f_11_7,plain,
    ( ~ in(U_66,U_73)
    | in(U_66,U_69)
    | U_69 != set_union2(U_73,U_71) ),
    inference(clausify,[status(thm)],[f_11_5]) ).

cnf(f_11_8,plain,
    ( ~ in(U_66,U_71)
    | in(U_66,U_69)
    | U_69 != set_union2(U_73,U_71) ),
    inference(clausify,[status(thm)],[f_11_5]) ).

cnf(f_11_9,plain,
    ( in(sK9(U_74,U_72,U_70),U_72)
    | in(sK9(U_74,U_72,U_70),U_74)
    | in(sK8(U_74,U_72,U_70),U_70)
    | U_70 = set_union2(U_74,U_72) ),
    inference(clausify,[status(thm)],[f_11_5]) ).

cnf(f_11_10,plain,
    ( ~ in(sK9(U_74,U_72,U_70),U_70)
    | in(sK8(U_74,U_72,U_70),U_70)
    | U_70 = set_union2(U_74,U_72) ),
    inference(clausify,[status(thm)],[f_11_5]) ).

cnf(f_11_11,plain,
    ( ~ in(sK8(U_74,U_72,U_70),U_74)
    | in(sK9(U_74,U_72,U_70),U_72)
    | in(sK9(U_74,U_72,U_70),U_74)
    | U_70 = set_union2(U_74,U_72) ),
    inference(clausify,[status(thm)],[f_11_5]) ).

cnf(f_11_12,plain,
    ( ~ in(sK8(U_74,U_72,U_70),U_72)
    | in(sK9(U_74,U_72,U_70),U_72)
    | in(sK9(U_74,U_72,U_70),U_74)
    | U_70 = set_union2(U_74,U_72) ),
    inference(clausify,[status(thm)],[f_11_5]) ).

cnf(f_11_13,plain,
    ( ~ in(sK8(U_74,U_72,U_70),U_74)
    | ~ in(sK9(U_74,U_72,U_70),U_70)
    | U_70 = set_union2(U_74,U_72) ),
    inference(clausify,[status(thm)],[f_11_5]) ).

cnf(f_11_14,plain,
    ( ~ in(sK8(U_74,U_72,U_70),U_72)
    | ~ in(sK9(U_74,U_72,U_70),U_70)
    | U_70 = set_union2(U_74,U_72) ),
    inference(clausify,[status(thm)],[f_11_5]) ).

fof(f_12_1,plain,
    ! [A,B,C] :
      ( ( C = cartesian_product2(A,B)
        | ? [D] :
            ( ( ~ in(D,C)
              & ? [E,F] :
                  ( D = ordered_pair(E,F)
                  & in(F,B)
                  & in(E,A) ) )
            | ( ! [E,F] :
                  ( D != ordered_pair(E,F)
                  | ~ in(F,B)
                  | ~ in(E,A) )
              & in(D,C) ) ) )
      & ( ! [D] :
            ( ( in(D,C)
              | ! [E,F] :
                  ( D != ordered_pair(E,F)
                  | ~ in(F,B)
                  | ~ in(E,A) ) )
            & ( ? [E,F] :
                  ( D = ordered_pair(E,F)
                  & in(F,B)
                  & in(E,A) )
              | ~ in(D,C) ) )
        | C != cartesian_product2(A,B) ) ),
    inference(fof_nnf,[status(thm)],[d2_zfmisc_1]) ).

fof(f_12_2,plain,
    ! [U_87,U_86,U_85] :
      ( ( U_85 = cartesian_product2(U_87,U_86)
        | ? [U_84] :
            ( ( ~ in(U_84,U_85)
              & ? [U_83,U_82] :
                  ( U_84 = ordered_pair(U_83,U_82)
                  & in(U_82,U_86)
                  & in(U_83,U_87) ) )
            | ( ! [U_81,U_80] :
                  ( U_84 != ordered_pair(U_81,U_80)
                  | ~ in(U_80,U_86)
                  | ~ in(U_81,U_87) )
              & in(U_84,U_85) ) ) )
      & ( ! [U_79] :
            ( ( in(U_79,U_85)
              | ! [U_78,U_77] :
                  ( U_79 != ordered_pair(U_78,U_77)
                  | ~ in(U_77,U_86)
                  | ~ in(U_78,U_87) ) )
            & ( ? [U_76,U_75] :
                  ( U_79 = ordered_pair(U_76,U_75)
                  & in(U_75,U_86)
                  & in(U_76,U_87) )
              | ~ in(U_79,U_85) ) )
        | U_85 != cartesian_product2(U_87,U_86) ) ),
    inference(variable_rename,[status(thm)],[f_12_1]) ).

fof(f_12_3,plain,
    ( ! [U_97,U_95,U_93] :
        ( U_93 = cartesian_product2(U_97,U_95)
        | ? [U_91] :
            ( ~ in(U_91,U_93)
            & ? [U_83] :
                ( ? [U_82] :
                    ( U_91 = ordered_pair(U_83,U_82)
                    & in(U_82,U_95) )
                & in(U_83,U_97) ) )
        | ? [U_90] :
            ( ! [U_81] :
                ( ! [U_80] :
                    ( U_90 != ordered_pair(U_81,U_80)
                    | ~ in(U_80,U_95) )
                | ~ in(U_81,U_97) )
            & in(U_90,U_93) ) )
    & ! [U_96,U_94,U_92] :
        ( ( ! [U_89] :
              ( in(U_89,U_92)
              | ! [U_78] :
                  ( ! [U_77] :
                      ( U_89 != ordered_pair(U_78,U_77)
                      | ~ in(U_77,U_94) )
                  | ~ in(U_78,U_96) ) )
          & ! [U_88] :
              ( ? [U_76] :
                  ( ? [U_75] :
                      ( U_88 = ordered_pair(U_76,U_75)
                      & in(U_75,U_94) )
                  & in(U_76,U_96) )
              | ~ in(U_88,U_92) ) )
        | U_92 != cartesian_product2(U_96,U_94) ) ),
    inference(miniscope,[status(thm)],[f_12_2]) ).

fof(f_12_4,plain,
    ( ! [U_97,U_95,U_93] :
        ( U_93 = cartesian_product2(U_97,U_95)
        | ? [U_91] :
            ( ~ in(U_91,U_93)
            & ? [U_83] :
                ( ? [U_82] :
                    ( U_91 = ordered_pair(U_83,U_82)
                    & in(U_82,U_95) )
                & in(U_83,U_97) ) )
        | ? [U_90] :
            ( ! [U_81] :
                ( ! [U_80] :
                    ( U_90 != ordered_pair(U_81,U_80)
                    | ~ in(U_80,U_95) )
                | ~ in(U_81,U_97) )
            & in(U_90,U_93) ) )
    & ! [U_96,U_94,U_92] :
        ( ( ! [U_89] :
              ( in(U_89,U_92)
              | ! [U_78] :
                  ( ! [U_77] :
                      ( U_89 != ordered_pair(U_78,U_77)
                      | ~ in(U_77,U_94) )
                  | ~ in(U_78,U_96) ) )
          & ! [U_88] :
              ( ( ? [U_75] :
                    ( U_88 = ordered_pair(sK10(U_96,U_94,U_92,U_88),U_75)
                    & in(U_75,U_94) )
                & in(sK10(U_96,U_94,U_92,U_88),U_96) )
              | ~ in(U_88,U_92) ) )
        | U_92 != cartesian_product2(U_96,U_94) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK10]),skolemize(U_76,sK10(U_96,U_94,U_92,U_88))],[f_12_3]) ).

fof(f_12_5,plain,
    ( ! [U_97,U_95,U_93] :
        ( U_93 = cartesian_product2(U_97,U_95)
        | ? [U_91] :
            ( ~ in(U_91,U_93)
            & ? [U_83] :
                ( ? [U_82] :
                    ( U_91 = ordered_pair(U_83,U_82)
                    & in(U_82,U_95) )
                & in(U_83,U_97) ) )
        | ? [U_90] :
            ( ! [U_81] :
                ( ! [U_80] :
                    ( U_90 != ordered_pair(U_81,U_80)
                    | ~ in(U_80,U_95) )
                | ~ in(U_81,U_97) )
            & in(U_90,U_93) ) )
    & ! [U_96,U_94,U_92] :
        ( ( ! [U_89] :
              ( in(U_89,U_92)
              | ! [U_78] :
                  ( ! [U_77] :
                      ( U_89 != ordered_pair(U_78,U_77)
                      | ~ in(U_77,U_94) )
                  | ~ in(U_78,U_96) ) )
          & ! [U_88] :
              ( ( U_88 = ordered_pair(sK10(U_96,U_94,U_92,U_88),sK11(U_96,U_94,U_92,U_88))
                & in(sK11(U_96,U_94,U_92,U_88),U_94)
                & in(sK10(U_96,U_94,U_92,U_88),U_96) )
              | ~ in(U_88,U_92) ) )
        | U_92 != cartesian_product2(U_96,U_94) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK11]),skolemize(U_75,sK11(U_96,U_94,U_92,U_88))],[f_12_4]) ).

fof(f_12_6,plain,
    ( ! [U_97,U_95,U_93] :
        ( U_93 = cartesian_product2(U_97,U_95)
        | ? [U_91] :
            ( ~ in(U_91,U_93)
            & ? [U_83] :
                ( ? [U_82] :
                    ( U_91 = ordered_pair(U_83,U_82)
                    & in(U_82,U_95) )
                & in(U_83,U_97) ) )
        | ( ! [U_81] :
              ( ! [U_80] :
                  ( sK12(U_97,U_95,U_93) != ordered_pair(U_81,U_80)
                  | ~ in(U_80,U_95) )
              | ~ in(U_81,U_97) )
          & in(sK12(U_97,U_95,U_93),U_93) ) )
    & ! [U_96,U_94,U_92] :
        ( ( ! [U_89] :
              ( in(U_89,U_92)
              | ! [U_78] :
                  ( ! [U_77] :
                      ( U_89 != ordered_pair(U_78,U_77)
                      | ~ in(U_77,U_94) )
                  | ~ in(U_78,U_96) ) )
          & ! [U_88] :
              ( ( U_88 = ordered_pair(sK10(U_96,U_94,U_92,U_88),sK11(U_96,U_94,U_92,U_88))
                & in(sK11(U_96,U_94,U_92,U_88),U_94)
                & in(sK10(U_96,U_94,U_92,U_88),U_96) )
              | ~ in(U_88,U_92) ) )
        | U_92 != cartesian_product2(U_96,U_94) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK12]),skolemize(U_90,sK12(U_97,U_95,U_93))],[f_12_5]) ).

fof(f_12_7,plain,
    ( ! [U_97,U_95,U_93] :
        ( U_93 = cartesian_product2(U_97,U_95)
        | ( ~ in(sK13(U_97,U_95,U_93),U_93)
          & ? [U_83] :
              ( ? [U_82] :
                  ( sK13(U_97,U_95,U_93) = ordered_pair(U_83,U_82)
                  & in(U_82,U_95) )
              & in(U_83,U_97) ) )
        | ( ! [U_81] :
              ( ! [U_80] :
                  ( sK12(U_97,U_95,U_93) != ordered_pair(U_81,U_80)
                  | ~ in(U_80,U_95) )
              | ~ in(U_81,U_97) )
          & in(sK12(U_97,U_95,U_93),U_93) ) )
    & ! [U_96,U_94,U_92] :
        ( ( ! [U_89] :
              ( in(U_89,U_92)
              | ! [U_78] :
                  ( ! [U_77] :
                      ( U_89 != ordered_pair(U_78,U_77)
                      | ~ in(U_77,U_94) )
                  | ~ in(U_78,U_96) ) )
          & ! [U_88] :
              ( ( U_88 = ordered_pair(sK10(U_96,U_94,U_92,U_88),sK11(U_96,U_94,U_92,U_88))
                & in(sK11(U_96,U_94,U_92,U_88),U_94)
                & in(sK10(U_96,U_94,U_92,U_88),U_96) )
              | ~ in(U_88,U_92) ) )
        | U_92 != cartesian_product2(U_96,U_94) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK13]),skolemize(U_91,sK13(U_97,U_95,U_93))],[f_12_6]) ).

fof(f_12_8,plain,
    ( ! [U_97,U_95,U_93] :
        ( U_93 = cartesian_product2(U_97,U_95)
        | ( ~ in(sK13(U_97,U_95,U_93),U_93)
          & ? [U_82] :
              ( sK13(U_97,U_95,U_93) = ordered_pair(sK14(U_97,U_95,U_93),U_82)
              & in(U_82,U_95) )
          & in(sK14(U_97,U_95,U_93),U_97) )
        | ( ! [U_81] :
              ( ! [U_80] :
                  ( sK12(U_97,U_95,U_93) != ordered_pair(U_81,U_80)
                  | ~ in(U_80,U_95) )
              | ~ in(U_81,U_97) )
          & in(sK12(U_97,U_95,U_93),U_93) ) )
    & ! [U_96,U_94,U_92] :
        ( ( ! [U_89] :
              ( in(U_89,U_92)
              | ! [U_78] :
                  ( ! [U_77] :
                      ( U_89 != ordered_pair(U_78,U_77)
                      | ~ in(U_77,U_94) )
                  | ~ in(U_78,U_96) ) )
          & ! [U_88] :
              ( ( U_88 = ordered_pair(sK10(U_96,U_94,U_92,U_88),sK11(U_96,U_94,U_92,U_88))
                & in(sK11(U_96,U_94,U_92,U_88),U_94)
                & in(sK10(U_96,U_94,U_92,U_88),U_96) )
              | ~ in(U_88,U_92) ) )
        | U_92 != cartesian_product2(U_96,U_94) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK14]),skolemize(U_83,sK14(U_97,U_95,U_93))],[f_12_7]) ).

fof(f_12_9,plain,
    ( ! [U_97,U_95,U_93] :
        ( U_93 = cartesian_product2(U_97,U_95)
        | ( ~ in(sK13(U_97,U_95,U_93),U_93)
          & sK13(U_97,U_95,U_93) = ordered_pair(sK14(U_97,U_95,U_93),sK15(U_97,U_95,U_93))
          & in(sK15(U_97,U_95,U_93),U_95)
          & in(sK14(U_97,U_95,U_93),U_97) )
        | ( ! [U_81] :
              ( ! [U_80] :
                  ( sK12(U_97,U_95,U_93) != ordered_pair(U_81,U_80)
                  | ~ in(U_80,U_95) )
              | ~ in(U_81,U_97) )
          & in(sK12(U_97,U_95,U_93),U_93) ) )
    & ! [U_96,U_94,U_92] :
        ( ( ! [U_89] :
              ( in(U_89,U_92)
              | ! [U_78] :
                  ( ! [U_77] :
                      ( U_89 != ordered_pair(U_78,U_77)
                      | ~ in(U_77,U_94) )
                  | ~ in(U_78,U_96) ) )
          & ! [U_88] :
              ( ( U_88 = ordered_pair(sK10(U_96,U_94,U_92,U_88),sK11(U_96,U_94,U_92,U_88))
                & in(sK11(U_96,U_94,U_92,U_88),U_94)
                & in(sK10(U_96,U_94,U_92,U_88),U_96) )
              | ~ in(U_88,U_92) ) )
        | U_92 != cartesian_product2(U_96,U_94) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK15]),skolemize(U_82,sK15(U_97,U_95,U_93))],[f_12_8]) ).

cnf(f_12_10,plain,
    ( in(sK10(U_96,U_94,U_92,U_88),U_96)
    | ~ in(U_88,U_92)
    | U_92 != cartesian_product2(U_96,U_94) ),
    inference(clausify,[status(thm)],[f_12_9]) ).

cnf(f_12_11,plain,
    ( in(sK11(U_96,U_94,U_92,U_88),U_94)
    | ~ in(U_88,U_92)
    | U_92 != cartesian_product2(U_96,U_94) ),
    inference(clausify,[status(thm)],[f_12_9]) ).

cnf(f_12_12,plain,
    ( U_88 = ordered_pair(sK10(U_96,U_94,U_92,U_88),sK11(U_96,U_94,U_92,U_88))
    | ~ in(U_88,U_92)
    | U_92 != cartesian_product2(U_96,U_94) ),
    inference(clausify,[status(thm)],[f_12_9]) ).

cnf(f_12_13,plain,
    ( in(U_89,U_92)
    | U_89 != ordered_pair(U_78,U_77)
    | ~ in(U_77,U_94)
    | ~ in(U_78,U_96)
    | U_92 != cartesian_product2(U_96,U_94) ),
    inference(clausify,[status(thm)],[f_12_9]) ).

cnf(f_12_14,plain,
    ( in(sK14(U_97,U_95,U_93),U_97)
    | in(sK12(U_97,U_95,U_93),U_93)
    | U_93 = cartesian_product2(U_97,U_95) ),
    inference(clausify,[status(thm)],[f_12_9]) ).

cnf(f_12_15,plain,
    ( in(sK15(U_97,U_95,U_93),U_95)
    | in(sK12(U_97,U_95,U_93),U_93)
    | U_93 = cartesian_product2(U_97,U_95) ),
    inference(clausify,[status(thm)],[f_12_9]) ).

cnf(f_12_16,plain,
    ( sK13(U_97,U_95,U_93) = ordered_pair(sK14(U_97,U_95,U_93),sK15(U_97,U_95,U_93))
    | in(sK12(U_97,U_95,U_93),U_93)
    | U_93 = cartesian_product2(U_97,U_95) ),
    inference(clausify,[status(thm)],[f_12_9]) ).

cnf(f_12_17,plain,
    ( ~ in(sK13(U_97,U_95,U_93),U_93)
    | in(sK12(U_97,U_95,U_93),U_93)
    | U_93 = cartesian_product2(U_97,U_95) ),
    inference(clausify,[status(thm)],[f_12_9]) ).

cnf(f_12_18,plain,
    ( in(sK14(U_97,U_95,U_93),U_97)
    | sK12(U_97,U_95,U_93) != ordered_pair(U_81,U_80)
    | ~ in(U_80,U_95)
    | ~ in(U_81,U_97)
    | U_93 = cartesian_product2(U_97,U_95) ),
    inference(clausify,[status(thm)],[f_12_9]) ).

cnf(f_12_19,plain,
    ( in(sK15(U_97,U_95,U_93),U_95)
    | sK12(U_97,U_95,U_93) != ordered_pair(U_81,U_80)
    | ~ in(U_80,U_95)
    | ~ in(U_81,U_97)
    | U_93 = cartesian_product2(U_97,U_95) ),
    inference(clausify,[status(thm)],[f_12_9]) ).

cnf(f_12_20,plain,
    ( sK13(U_97,U_95,U_93) = ordered_pair(sK14(U_97,U_95,U_93),sK15(U_97,U_95,U_93))
    | sK12(U_97,U_95,U_93) != ordered_pair(U_81,U_80)
    | ~ in(U_80,U_95)
    | ~ in(U_81,U_97)
    | U_93 = cartesian_product2(U_97,U_95) ),
    inference(clausify,[status(thm)],[f_12_9]) ).

cnf(f_12_21,plain,
    ( ~ in(sK13(U_97,U_95,U_93),U_93)
    | sK12(U_97,U_95,U_93) != ordered_pair(U_81,U_80)
    | ~ in(U_80,U_95)
    | ~ in(U_81,U_97)
    | U_93 = cartesian_product2(U_97,U_95) ),
    inference(clausify,[status(thm)],[f_12_9]) ).

fof(f_13_1,plain,
    ! [A,B] :
      ( ( subset(A,B)
        | ? [C] :
            ( ~ in(C,B)
            & in(C,A) ) )
      & ( ! [C] :
            ( in(C,B)
            | ~ in(C,A) )
        | ~ subset(A,B) ) ),
    inference(fof_nnf,[status(thm)],[d3_tarski]) ).

fof(f_13_2,plain,
    ! [U_101,U_100] :
      ( ( subset(U_101,U_100)
        | ? [U_99] :
            ( ~ in(U_99,U_100)
            & in(U_99,U_101) ) )
      & ( ! [U_98] :
            ( in(U_98,U_100)
            | ~ in(U_98,U_101) )
        | ~ subset(U_101,U_100) ) ),
    inference(variable_rename,[status(thm)],[f_13_1]) ).

fof(f_13_3,plain,
    ( ! [U_105,U_103] :
        ( subset(U_105,U_103)
        | ? [U_99] :
            ( ~ in(U_99,U_103)
            & in(U_99,U_105) ) )
    & ! [U_104,U_102] :
        ( ! [U_98] :
            ( in(U_98,U_102)
            | ~ in(U_98,U_104) )
        | ~ subset(U_104,U_102) ) ),
    inference(miniscope,[status(thm)],[f_13_2]) ).

fof(f_13_4,plain,
    ( ! [U_105,U_103] :
        ( subset(U_105,U_103)
        | ( ~ in(sK16(U_105,U_103),U_103)
          & in(sK16(U_105,U_103),U_105) ) )
    & ! [U_104,U_102] :
        ( ! [U_98] :
            ( in(U_98,U_102)
            | ~ in(U_98,U_104) )
        | ~ subset(U_104,U_102) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK16]),skolemize(U_99,sK16(U_105,U_103))],[f_13_3]) ).

cnf(f_13_5,plain,
    ( in(U_98,U_102)
    | ~ in(U_98,U_104)
    | ~ subset(U_104,U_102) ),
    inference(clausify,[status(thm)],[f_13_4]) ).

cnf(f_13_6,plain,
    ( in(sK16(U_105,U_103),U_105)
    | subset(U_105,U_103) ),
    inference(clausify,[status(thm)],[f_13_4]) ).

cnf(f_13_7,plain,
    ( ~ in(sK16(U_105,U_103),U_103)
    | subset(U_105,U_103) ),
    inference(clausify,[status(thm)],[f_13_4]) ).

fof(f_14_1,plain,
    ! [A,B,C] :
      ( ( C = set_intersection2(A,B)
        | ? [D] :
            ( ( ~ in(D,C)
              & in(D,B)
              & in(D,A) )
            | ( ( ~ in(D,B)
                | ~ in(D,A) )
              & in(D,C) ) ) )
      & ( ! [D] :
            ( ( in(D,C)
              | ~ in(D,B)
              | ~ in(D,A) )
            & ( ( in(D,B)
                & in(D,A) )
              | ~ in(D,C) ) )
        | C != set_intersection2(A,B) ) ),
    inference(fof_nnf,[status(thm)],[d3_xboole_0]) ).

fof(f_14_2,plain,
    ! [U_110,U_109,U_108] :
      ( ( U_108 = set_intersection2(U_110,U_109)
        | ? [U_107] :
            ( ( ~ in(U_107,U_108)
              & in(U_107,U_109)
              & in(U_107,U_110) )
            | ( ( ~ in(U_107,U_109)
                | ~ in(U_107,U_110) )
              & in(U_107,U_108) ) ) )
      & ( ! [U_106] :
            ( ( in(U_106,U_108)
              | ~ in(U_106,U_109)
              | ~ in(U_106,U_110) )
            & ( ( in(U_106,U_109)
                & in(U_106,U_110) )
              | ~ in(U_106,U_108) ) )
        | U_108 != set_intersection2(U_110,U_109) ) ),
    inference(variable_rename,[status(thm)],[f_14_1]) ).

fof(f_14_3,plain,
    ( ! [U_120,U_118,U_116] :
        ( U_116 = set_intersection2(U_120,U_118)
        | ? [U_114] :
            ( ~ in(U_114,U_116)
            & in(U_114,U_118)
            & in(U_114,U_120) )
        | ? [U_113] :
            ( ( ~ in(U_113,U_118)
              | ~ in(U_113,U_120) )
            & in(U_113,U_116) ) )
    & ! [U_119,U_117,U_115] :
        ( ( ! [U_112] :
              ( in(U_112,U_115)
              | ~ in(U_112,U_117)
              | ~ in(U_112,U_119) )
          & ! [U_111] :
              ( ( in(U_111,U_117)
                & in(U_111,U_119) )
              | ~ in(U_111,U_115) ) )
        | U_115 != set_intersection2(U_119,U_117) ) ),
    inference(miniscope,[status(thm)],[f_14_2]) ).

fof(f_14_4,plain,
    ( ! [U_120,U_118,U_116] :
        ( U_116 = set_intersection2(U_120,U_118)
        | ? [U_114] :
            ( ~ in(U_114,U_116)
            & in(U_114,U_118)
            & in(U_114,U_120) )
        | ( ( ~ in(sK17(U_120,U_118,U_116),U_118)
            | ~ in(sK17(U_120,U_118,U_116),U_120) )
          & in(sK17(U_120,U_118,U_116),U_116) ) )
    & ! [U_119,U_117,U_115] :
        ( ( ! [U_112] :
              ( in(U_112,U_115)
              | ~ in(U_112,U_117)
              | ~ in(U_112,U_119) )
          & ! [U_111] :
              ( ( in(U_111,U_117)
                & in(U_111,U_119) )
              | ~ in(U_111,U_115) ) )
        | U_115 != set_intersection2(U_119,U_117) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK17]),skolemize(U_113,sK17(U_120,U_118,U_116))],[f_14_3]) ).

fof(f_14_5,plain,
    ( ! [U_120,U_118,U_116] :
        ( U_116 = set_intersection2(U_120,U_118)
        | ( ~ in(sK18(U_120,U_118,U_116),U_116)
          & in(sK18(U_120,U_118,U_116),U_118)
          & in(sK18(U_120,U_118,U_116),U_120) )
        | ( ( ~ in(sK17(U_120,U_118,U_116),U_118)
            | ~ in(sK17(U_120,U_118,U_116),U_120) )
          & in(sK17(U_120,U_118,U_116),U_116) ) )
    & ! [U_119,U_117,U_115] :
        ( ( ! [U_112] :
              ( in(U_112,U_115)
              | ~ in(U_112,U_117)
              | ~ in(U_112,U_119) )
          & ! [U_111] :
              ( ( in(U_111,U_117)
                & in(U_111,U_119) )
              | ~ in(U_111,U_115) ) )
        | U_115 != set_intersection2(U_119,U_117) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK18]),skolemize(U_114,sK18(U_120,U_118,U_116))],[f_14_4]) ).

cnf(f_14_6,plain,
    ( in(U_111,U_119)
    | ~ in(U_111,U_115)
    | U_115 != set_intersection2(U_119,U_117) ),
    inference(clausify,[status(thm)],[f_14_5]) ).

cnf(f_14_7,plain,
    ( in(U_111,U_117)
    | ~ in(U_111,U_115)
    | U_115 != set_intersection2(U_119,U_117) ),
    inference(clausify,[status(thm)],[f_14_5]) ).

cnf(f_14_8,plain,
    ( in(U_112,U_115)
    | ~ in(U_112,U_117)
    | ~ in(U_112,U_119)
    | U_115 != set_intersection2(U_119,U_117) ),
    inference(clausify,[status(thm)],[f_14_5]) ).

cnf(f_14_9,plain,
    ( in(sK18(U_120,U_118,U_116),U_120)
    | in(sK17(U_120,U_118,U_116),U_116)
    | U_116 = set_intersection2(U_120,U_118) ),
    inference(clausify,[status(thm)],[f_14_5]) ).

cnf(f_14_10,plain,
    ( in(sK18(U_120,U_118,U_116),U_118)
    | in(sK17(U_120,U_118,U_116),U_116)
    | U_116 = set_intersection2(U_120,U_118) ),
    inference(clausify,[status(thm)],[f_14_5]) ).

cnf(f_14_11,plain,
    ( ~ in(sK18(U_120,U_118,U_116),U_116)
    | in(sK17(U_120,U_118,U_116),U_116)
    | U_116 = set_intersection2(U_120,U_118) ),
    inference(clausify,[status(thm)],[f_14_5]) ).

cnf(f_14_12,plain,
    ( in(sK18(U_120,U_118,U_116),U_120)
    | ~ in(sK17(U_120,U_118,U_116),U_118)
    | ~ in(sK17(U_120,U_118,U_116),U_120)
    | U_116 = set_intersection2(U_120,U_118) ),
    inference(clausify,[status(thm)],[f_14_5]) ).

cnf(f_14_13,plain,
    ( in(sK18(U_120,U_118,U_116),U_118)
    | ~ in(sK17(U_120,U_118,U_116),U_118)
    | ~ in(sK17(U_120,U_118,U_116),U_120)
    | U_116 = set_intersection2(U_120,U_118) ),
    inference(clausify,[status(thm)],[f_14_5]) ).

cnf(f_14_14,plain,
    ( ~ in(sK18(U_120,U_118,U_116),U_116)
    | ~ in(sK17(U_120,U_118,U_116),U_118)
    | ~ in(sK17(U_120,U_118,U_116),U_120)
    | U_116 = set_intersection2(U_120,U_118) ),
    inference(clausify,[status(thm)],[f_14_5]) ).

fof(f_15_1,plain,
    ! [A,B] :
      ( ( B = union(A)
        | ? [C] :
            ( ( ~ in(C,B)
              & ? [D] :
                  ( in(D,A)
                  & in(C,D) ) )
            | ( ! [D] :
                  ( ~ in(D,A)
                  | ~ in(C,D) )
              & in(C,B) ) ) )
      & ( ! [C] :
            ( ( in(C,B)
              | ! [D] :
                  ( ~ in(D,A)
                  | ~ in(C,D) ) )
            & ( ? [D] :
                  ( in(D,A)
                  & in(C,D) )
              | ~ in(C,B) ) )
        | B != union(A) ) ),
    inference(fof_nnf,[status(thm)],[d4_tarski]) ).

fof(f_15_2,plain,
    ! [U_128,U_127] :
      ( ( U_127 = union(U_128)
        | ? [U_126] :
            ( ( ~ in(U_126,U_127)
              & ? [U_125] :
                  ( in(U_125,U_128)
                  & in(U_126,U_125) ) )
            | ( ! [U_124] :
                  ( ~ in(U_124,U_128)
                  | ~ in(U_126,U_124) )
              & in(U_126,U_127) ) ) )
      & ( ! [U_123] :
            ( ( in(U_123,U_127)
              | ! [U_122] :
                  ( ~ in(U_122,U_128)
                  | ~ in(U_123,U_122) ) )
            & ( ? [U_121] :
                  ( in(U_121,U_128)
                  & in(U_123,U_121) )
              | ~ in(U_123,U_127) ) )
        | U_127 != union(U_128) ) ),
    inference(variable_rename,[status(thm)],[f_15_1]) ).

fof(f_15_3,plain,
    ( ! [U_136,U_134] :
        ( U_134 = union(U_136)
        | ? [U_132] :
            ( ~ in(U_132,U_134)
            & ? [U_125] :
                ( in(U_125,U_136)
                & in(U_132,U_125) ) )
        | ? [U_131] :
            ( ! [U_124] :
                ( ~ in(U_124,U_136)
                | ~ in(U_131,U_124) )
            & in(U_131,U_134) ) )
    & ! [U_135,U_133] :
        ( ( ! [U_130] :
              ( in(U_130,U_133)
              | ! [U_122] :
                  ( ~ in(U_122,U_135)
                  | ~ in(U_130,U_122) ) )
          & ! [U_129] :
              ( ? [U_121] :
                  ( in(U_121,U_135)
                  & in(U_129,U_121) )
              | ~ in(U_129,U_133) ) )
        | U_133 != union(U_135) ) ),
    inference(miniscope,[status(thm)],[f_15_2]) ).

fof(f_15_4,plain,
    ( ! [U_136,U_134] :
        ( U_134 = union(U_136)
        | ? [U_132] :
            ( ~ in(U_132,U_134)
            & ? [U_125] :
                ( in(U_125,U_136)
                & in(U_132,U_125) ) )
        | ? [U_131] :
            ( ! [U_124] :
                ( ~ in(U_124,U_136)
                | ~ in(U_131,U_124) )
            & in(U_131,U_134) ) )
    & ! [U_135,U_133] :
        ( ( ! [U_130] :
              ( in(U_130,U_133)
              | ! [U_122] :
                  ( ~ in(U_122,U_135)
                  | ~ in(U_130,U_122) ) )
          & ! [U_129] :
              ( ( in(sK19(U_135,U_133,U_129),U_135)
                & in(U_129,sK19(U_135,U_133,U_129)) )
              | ~ in(U_129,U_133) ) )
        | U_133 != union(U_135) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK19]),skolemize(U_121,sK19(U_135,U_133,U_129))],[f_15_3]) ).

fof(f_15_5,plain,
    ( ! [U_136,U_134] :
        ( U_134 = union(U_136)
        | ? [U_132] :
            ( ~ in(U_132,U_134)
            & ? [U_125] :
                ( in(U_125,U_136)
                & in(U_132,U_125) ) )
        | ( ! [U_124] :
              ( ~ in(U_124,U_136)
              | ~ in(sK20(U_136,U_134),U_124) )
          & in(sK20(U_136,U_134),U_134) ) )
    & ! [U_135,U_133] :
        ( ( ! [U_130] :
              ( in(U_130,U_133)
              | ! [U_122] :
                  ( ~ in(U_122,U_135)
                  | ~ in(U_130,U_122) ) )
          & ! [U_129] :
              ( ( in(sK19(U_135,U_133,U_129),U_135)
                & in(U_129,sK19(U_135,U_133,U_129)) )
              | ~ in(U_129,U_133) ) )
        | U_133 != union(U_135) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK20]),skolemize(U_131,sK20(U_136,U_134))],[f_15_4]) ).

fof(f_15_6,plain,
    ( ! [U_136,U_134] :
        ( U_134 = union(U_136)
        | ( ~ in(sK21(U_136,U_134),U_134)
          & ? [U_125] :
              ( in(U_125,U_136)
              & in(sK21(U_136,U_134),U_125) ) )
        | ( ! [U_124] :
              ( ~ in(U_124,U_136)
              | ~ in(sK20(U_136,U_134),U_124) )
          & in(sK20(U_136,U_134),U_134) ) )
    & ! [U_135,U_133] :
        ( ( ! [U_130] :
              ( in(U_130,U_133)
              | ! [U_122] :
                  ( ~ in(U_122,U_135)
                  | ~ in(U_130,U_122) ) )
          & ! [U_129] :
              ( ( in(sK19(U_135,U_133,U_129),U_135)
                & in(U_129,sK19(U_135,U_133,U_129)) )
              | ~ in(U_129,U_133) ) )
        | U_133 != union(U_135) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK21]),skolemize(U_132,sK21(U_136,U_134))],[f_15_5]) ).

fof(f_15_7,plain,
    ( ! [U_136,U_134] :
        ( U_134 = union(U_136)
        | ( ~ in(sK21(U_136,U_134),U_134)
          & in(sK22(U_136,U_134),U_136)
          & in(sK21(U_136,U_134),sK22(U_136,U_134)) )
        | ( ! [U_124] :
              ( ~ in(U_124,U_136)
              | ~ in(sK20(U_136,U_134),U_124) )
          & in(sK20(U_136,U_134),U_134) ) )
    & ! [U_135,U_133] :
        ( ( ! [U_130] :
              ( in(U_130,U_133)
              | ! [U_122] :
                  ( ~ in(U_122,U_135)
                  | ~ in(U_130,U_122) ) )
          & ! [U_129] :
              ( ( in(sK19(U_135,U_133,U_129),U_135)
                & in(U_129,sK19(U_135,U_133,U_129)) )
              | ~ in(U_129,U_133) ) )
        | U_133 != union(U_135) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK22]),skolemize(U_125,sK22(U_136,U_134))],[f_15_6]) ).

cnf(f_15_8,plain,
    ( in(U_129,sK19(U_135,U_133,U_129))
    | ~ in(U_129,U_133)
    | U_133 != union(U_135) ),
    inference(clausify,[status(thm)],[f_15_7]) ).

cnf(f_15_9,plain,
    ( in(sK19(U_135,U_133,U_129),U_135)
    | ~ in(U_129,U_133)
    | U_133 != union(U_135) ),
    inference(clausify,[status(thm)],[f_15_7]) ).

cnf(f_15_10,plain,
    ( in(U_130,U_133)
    | ~ in(U_122,U_135)
    | ~ in(U_130,U_122)
    | U_133 != union(U_135) ),
    inference(clausify,[status(thm)],[f_15_7]) ).

cnf(f_15_11,plain,
    ( in(sK21(U_136,U_134),sK22(U_136,U_134))
    | in(sK20(U_136,U_134),U_134)
    | U_134 = union(U_136) ),
    inference(clausify,[status(thm)],[f_15_7]) ).

cnf(f_15_12,plain,
    ( in(sK22(U_136,U_134),U_136)
    | in(sK20(U_136,U_134),U_134)
    | U_134 = union(U_136) ),
    inference(clausify,[status(thm)],[f_15_7]) ).

cnf(f_15_13,plain,
    ( ~ in(sK21(U_136,U_134),U_134)
    | in(sK20(U_136,U_134),U_134)
    | U_134 = union(U_136) ),
    inference(clausify,[status(thm)],[f_15_7]) ).

cnf(f_15_14,plain,
    ( in(sK21(U_136,U_134),sK22(U_136,U_134))
    | ~ in(U_124,U_136)
    | ~ in(sK20(U_136,U_134),U_124)
    | U_134 = union(U_136) ),
    inference(clausify,[status(thm)],[f_15_7]) ).

cnf(f_15_15,plain,
    ( in(sK22(U_136,U_134),U_136)
    | ~ in(U_124,U_136)
    | ~ in(sK20(U_136,U_134),U_124)
    | U_134 = union(U_136) ),
    inference(clausify,[status(thm)],[f_15_7]) ).

cnf(f_15_16,plain,
    ( ~ in(sK21(U_136,U_134),U_134)
    | ~ in(U_124,U_136)
    | ~ in(sK20(U_136,U_134),U_124)
    | U_134 = union(U_136) ),
    inference(clausify,[status(thm)],[f_15_7]) ).

fof(f_16_1,plain,
    ! [A,B,C] :
      ( ( C = set_difference(A,B)
        | ? [D] :
            ( ( ~ in(D,C)
              & ~ in(D,B)
              & in(D,A) )
            | ( ( in(D,B)
                | ~ in(D,A) )
              & in(D,C) ) ) )
      & ( ! [D] :
            ( ( in(D,C)
              | in(D,B)
              | ~ in(D,A) )
            & ( ( ~ in(D,B)
                & in(D,A) )
              | ~ in(D,C) ) )
        | C != set_difference(A,B) ) ),
    inference(fof_nnf,[status(thm)],[d4_xboole_0]) ).

fof(f_16_2,plain,
    ! [U_141,U_140,U_139] :
      ( ( U_139 = set_difference(U_141,U_140)
        | ? [U_138] :
            ( ( ~ in(U_138,U_139)
              & ~ in(U_138,U_140)
              & in(U_138,U_141) )
            | ( ( in(U_138,U_140)
                | ~ in(U_138,U_141) )
              & in(U_138,U_139) ) ) )
      & ( ! [U_137] :
            ( ( in(U_137,U_139)
              | in(U_137,U_140)
              | ~ in(U_137,U_141) )
            & ( ( ~ in(U_137,U_140)
                & in(U_137,U_141) )
              | ~ in(U_137,U_139) ) )
        | U_139 != set_difference(U_141,U_140) ) ),
    inference(variable_rename,[status(thm)],[f_16_1]) ).

fof(f_16_3,plain,
    ( ! [U_151,U_149,U_147] :
        ( U_147 = set_difference(U_151,U_149)
        | ? [U_145] :
            ( ~ in(U_145,U_147)
            & ~ in(U_145,U_149)
            & in(U_145,U_151) )
        | ? [U_144] :
            ( ( in(U_144,U_149)
              | ~ in(U_144,U_151) )
            & in(U_144,U_147) ) )
    & ! [U_150,U_148,U_146] :
        ( ( ! [U_143] :
              ( in(U_143,U_146)
              | in(U_143,U_148)
              | ~ in(U_143,U_150) )
          & ! [U_142] :
              ( ( ~ in(U_142,U_148)
                & in(U_142,U_150) )
              | ~ in(U_142,U_146) ) )
        | U_146 != set_difference(U_150,U_148) ) ),
    inference(miniscope,[status(thm)],[f_16_2]) ).

fof(f_16_4,plain,
    ( ! [U_151,U_149,U_147] :
        ( U_147 = set_difference(U_151,U_149)
        | ? [U_145] :
            ( ~ in(U_145,U_147)
            & ~ in(U_145,U_149)
            & in(U_145,U_151) )
        | ( ( in(sK23(U_151,U_149,U_147),U_149)
            | ~ in(sK23(U_151,U_149,U_147),U_151) )
          & in(sK23(U_151,U_149,U_147),U_147) ) )
    & ! [U_150,U_148,U_146] :
        ( ( ! [U_143] :
              ( in(U_143,U_146)
              | in(U_143,U_148)
              | ~ in(U_143,U_150) )
          & ! [U_142] :
              ( ( ~ in(U_142,U_148)
                & in(U_142,U_150) )
              | ~ in(U_142,U_146) ) )
        | U_146 != set_difference(U_150,U_148) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK23]),skolemize(U_144,sK23(U_151,U_149,U_147))],[f_16_3]) ).

fof(f_16_5,plain,
    ( ! [U_151,U_149,U_147] :
        ( U_147 = set_difference(U_151,U_149)
        | ( ~ in(sK24(U_151,U_149,U_147),U_147)
          & ~ in(sK24(U_151,U_149,U_147),U_149)
          & in(sK24(U_151,U_149,U_147),U_151) )
        | ( ( in(sK23(U_151,U_149,U_147),U_149)
            | ~ in(sK23(U_151,U_149,U_147),U_151) )
          & in(sK23(U_151,U_149,U_147),U_147) ) )
    & ! [U_150,U_148,U_146] :
        ( ( ! [U_143] :
              ( in(U_143,U_146)
              | in(U_143,U_148)
              | ~ in(U_143,U_150) )
          & ! [U_142] :
              ( ( ~ in(U_142,U_148)
                & in(U_142,U_150) )
              | ~ in(U_142,U_146) ) )
        | U_146 != set_difference(U_150,U_148) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK24]),skolemize(U_145,sK24(U_151,U_149,U_147))],[f_16_4]) ).

cnf(f_16_6,plain,
    ( in(U_142,U_150)
    | ~ in(U_142,U_146)
    | U_146 != set_difference(U_150,U_148) ),
    inference(clausify,[status(thm)],[f_16_5]) ).

cnf(f_16_7,plain,
    ( ~ in(U_142,U_148)
    | ~ in(U_142,U_146)
    | U_146 != set_difference(U_150,U_148) ),
    inference(clausify,[status(thm)],[f_16_5]) ).

cnf(f_16_8,plain,
    ( in(U_143,U_146)
    | in(U_143,U_148)
    | ~ in(U_143,U_150)
    | U_146 != set_difference(U_150,U_148) ),
    inference(clausify,[status(thm)],[f_16_5]) ).

cnf(f_16_9,plain,
    ( in(sK24(U_151,U_149,U_147),U_151)
    | in(sK23(U_151,U_149,U_147),U_147)
    | U_147 = set_difference(U_151,U_149) ),
    inference(clausify,[status(thm)],[f_16_5]) ).

cnf(f_16_10,plain,
    ( ~ in(sK24(U_151,U_149,U_147),U_149)
    | in(sK23(U_151,U_149,U_147),U_147)
    | U_147 = set_difference(U_151,U_149) ),
    inference(clausify,[status(thm)],[f_16_5]) ).

cnf(f_16_11,plain,
    ( ~ in(sK24(U_151,U_149,U_147),U_147)
    | in(sK23(U_151,U_149,U_147),U_147)
    | U_147 = set_difference(U_151,U_149) ),
    inference(clausify,[status(thm)],[f_16_5]) ).

cnf(f_16_12,plain,
    ( in(sK24(U_151,U_149,U_147),U_151)
    | in(sK23(U_151,U_149,U_147),U_149)
    | ~ in(sK23(U_151,U_149,U_147),U_151)
    | U_147 = set_difference(U_151,U_149) ),
    inference(clausify,[status(thm)],[f_16_5]) ).

cnf(f_16_13,plain,
    ( ~ in(sK24(U_151,U_149,U_147),U_149)
    | in(sK23(U_151,U_149,U_147),U_149)
    | ~ in(sK23(U_151,U_149,U_147),U_151)
    | U_147 = set_difference(U_151,U_149) ),
    inference(clausify,[status(thm)],[f_16_5]) ).

cnf(f_16_14,plain,
    ( ~ in(sK24(U_151,U_149,U_147),U_147)
    | in(sK23(U_151,U_149,U_147),U_149)
    | ~ in(sK23(U_151,U_149,U_147),U_151)
    | U_147 = set_difference(U_151,U_149) ),
    inference(clausify,[status(thm)],[f_16_5]) ).

fof(f_17_1,plain,
    ! [A,B] : ordered_pair(A,B) = unordered_pair(unordered_pair(A,B),singleton(A)),
    inference(fof_nnf,[status(thm)],[d5_tarski]) ).

fof(f_17_2,plain,
    ! [U_153,U_152] : ordered_pair(U_153,U_152) = unordered_pair(unordered_pair(U_153,U_152),singleton(U_153)),
    inference(variable_rename,[status(thm)],[f_17_1]) ).

cnf(f_17_3,plain,
    ordered_pair(U_153,U_152) = unordered_pair(unordered_pair(U_153,U_152),singleton(U_153)),
    inference(clausify,[status(thm)],[f_17_2]) ).

fof(f_18_1,plain,
    ! [A,B] :
      ( ( disjoint(A,B)
        | set_intersection2(A,B) != empty_set )
      & ( set_intersection2(A,B) = empty_set
        | ~ disjoint(A,B) ) ),
    inference(fof_nnf,[status(thm)],[d7_xboole_0]) ).

fof(f_18_2,plain,
    ! [U_155,U_154] :
      ( ( disjoint(U_155,U_154)
        | set_intersection2(U_155,U_154) != empty_set )
      & ( set_intersection2(U_155,U_154) = empty_set
        | ~ disjoint(U_155,U_154) ) ),
    inference(variable_rename,[status(thm)],[f_18_1]) ).

fof(f_18_3,plain,
    ( ! [U_159,U_157] :
        ( disjoint(U_159,U_157)
        | set_intersection2(U_159,U_157) != empty_set )
    & ! [U_158,U_156] :
        ( set_intersection2(U_158,U_156) = empty_set
        | ~ disjoint(U_158,U_156) ) ),
    inference(miniscope,[status(thm)],[f_18_2]) ).

cnf(f_18_4,plain,
    ( set_intersection2(U_158,U_156) = empty_set
    | ~ disjoint(U_158,U_156) ),
    inference(clausify,[status(thm)],[f_18_3]) ).

cnf(f_18_5,plain,
    ( disjoint(U_159,U_157)
    | set_intersection2(U_159,U_157) != empty_set ),
    inference(clausify,[status(thm)],[f_18_3]) ).

fof(f_19_1,plain,
    ! [A,B] :
      ( ( proper_subset(A,B)
        | A = B
        | ~ subset(A,B) )
      & ( ( A != B
          & subset(A,B) )
        | ~ proper_subset(A,B) ) ),
    inference(fof_nnf,[status(thm)],[d8_xboole_0]) ).

fof(f_19_2,plain,
    ! [U_161,U_160] :
      ( ( proper_subset(U_161,U_160)
        | U_161 = U_160
        | ~ subset(U_161,U_160) )
      & ( ( U_161 != U_160
          & subset(U_161,U_160) )
        | ~ proper_subset(U_161,U_160) ) ),
    inference(variable_rename,[status(thm)],[f_19_1]) ).

fof(f_19_3,plain,
    ( ! [U_165,U_163] :
        ( proper_subset(U_165,U_163)
        | U_165 = U_163
        | ~ subset(U_165,U_163) )
    & ! [U_164,U_162] :
        ( ( U_164 != U_162
          & subset(U_164,U_162) )
        | ~ proper_subset(U_164,U_162) ) ),
    inference(miniscope,[status(thm)],[f_19_2]) ).

cnf(f_19_4,plain,
    ( subset(U_164,U_162)
    | ~ proper_subset(U_164,U_162) ),
    inference(clausify,[status(thm)],[f_19_3]) ).

cnf(f_19_5,plain,
    ( U_164 != U_162
    | ~ proper_subset(U_164,U_162) ),
    inference(clausify,[status(thm)],[f_19_3]) ).

cnf(f_19_6,plain,
    ( proper_subset(U_165,U_163)
    | U_165 = U_163
    | ~ subset(U_165,U_163) ),
    inference(clausify,[status(thm)],[f_19_3]) ).

fof(f_20_1,plain,
    $true,
    inference(fof_nnf,[status(thm)],[dt_k1_tarski]) ).

cnf(f_20_2,plain,
    $true,
    inference(clausify,[status(thm)],[f_20_1]) ).

fof(f_21_1,plain,
    $true,
    inference(fof_nnf,[status(thm)],[dt_k1_xboole_0]) ).

cnf(f_21_2,plain,
    $true,
    inference(clausify,[status(thm)],[f_21_1]) ).

fof(f_22_1,plain,
    $true,
    inference(fof_nnf,[status(thm)],[dt_k1_zfmisc_1]) ).

cnf(f_22_2,plain,
    $true,
    inference(clausify,[status(thm)],[f_22_1]) ).

fof(f_23_1,plain,
    $true,
    inference(fof_nnf,[status(thm)],[dt_k2_tarski]) ).

cnf(f_23_2,plain,
    $true,
    inference(clausify,[status(thm)],[f_23_1]) ).

fof(f_24_1,plain,
    $true,
    inference(fof_nnf,[status(thm)],[dt_k2_xboole_0]) ).

cnf(f_24_2,plain,
    $true,
    inference(clausify,[status(thm)],[f_24_1]) ).

fof(f_25_1,plain,
    $true,
    inference(fof_nnf,[status(thm)],[dt_k2_zfmisc_1]) ).

cnf(f_25_2,plain,
    $true,
    inference(clausify,[status(thm)],[f_25_1]) ).

fof(f_26_1,plain,
    $true,
    inference(fof_nnf,[status(thm)],[dt_k3_tarski]) ).

cnf(f_26_2,plain,
    $true,
    inference(clausify,[status(thm)],[f_26_1]) ).

fof(f_27_1,plain,
    $true,
    inference(fof_nnf,[status(thm)],[dt_k3_xboole_0]) ).

cnf(f_27_2,plain,
    $true,
    inference(clausify,[status(thm)],[f_27_1]) ).

fof(f_28_1,plain,
    $true,
    inference(fof_nnf,[status(thm)],[dt_k4_tarski]) ).

cnf(f_28_2,plain,
    $true,
    inference(clausify,[status(thm)],[f_28_1]) ).

fof(f_29_1,plain,
    $true,
    inference(fof_nnf,[status(thm)],[dt_k4_xboole_0]) ).

cnf(f_29_2,plain,
    $true,
    inference(clausify,[status(thm)],[f_29_1]) ).

fof(f_30_1,plain,
    empty(empty_set),
    inference(fof_nnf,[status(thm)],[fc1_xboole_0]) ).

cnf(f_30_2,plain,
    empty(empty_set),
    inference(clausify,[status(thm)],[f_30_1]) ).

fof(f_31_1,plain,
    ! [A,B] : ~ empty(ordered_pair(A,B)),
    inference(fof_nnf,[status(thm)],[fc1_zfmisc_1]) ).

fof(f_31_2,plain,
    ! [U_167,U_166] : ~ empty(ordered_pair(U_167,U_166)),
    inference(variable_rename,[status(thm)],[f_31_1]) ).

cnf(f_31_3,plain,
    ~ empty(ordered_pair(U_167,U_166)),
    inference(clausify,[status(thm)],[f_31_2]) ).

fof(f_32_1,plain,
    ! [A,B] :
      ( ~ empty(set_union2(A,B))
      | empty(A) ),
    inference(fof_nnf,[status(thm)],[fc2_xboole_0]) ).

fof(f_32_2,plain,
    ! [U_169,U_168] :
      ( ~ empty(set_union2(U_169,U_168))
      | empty(U_169) ),
    inference(variable_rename,[status(thm)],[f_32_1]) ).

fof(f_32_3,plain,
    ! [U_169] :
      ( ! [U_168] : ~ empty(set_union2(U_169,U_168))
      | empty(U_169) ),
    inference(miniscope,[status(thm)],[f_32_2]) ).

cnf(f_32_4,plain,
    ( ~ empty(set_union2(U_169,U_168))
    | empty(U_169) ),
    inference(clausify,[status(thm)],[f_32_3]) ).

fof(f_33_1,plain,
    ! [A,B] :
      ( ~ empty(set_union2(B,A))
      | empty(A) ),
    inference(fof_nnf,[status(thm)],[fc3_xboole_0]) ).

fof(f_33_2,plain,
    ! [U_171,U_170] :
      ( ~ empty(set_union2(U_170,U_171))
      | empty(U_171) ),
    inference(variable_rename,[status(thm)],[f_33_1]) ).

fof(f_33_3,plain,
    ! [U_171] :
      ( ! [U_170] : ~ empty(set_union2(U_170,U_171))
      | empty(U_171) ),
    inference(miniscope,[status(thm)],[f_33_2]) ).

cnf(f_33_4,plain,
    ( ~ empty(set_union2(U_170,U_171))
    | empty(U_171) ),
    inference(clausify,[status(thm)],[f_33_3]) ).

fof(f_34_1,plain,
    ! [A,B] : set_union2(A,A) = A,
    inference(fof_nnf,[status(thm)],[idempotence_k2_xboole_0]) ).

fof(f_34_2,plain,
    ! [U_173,U_172] : set_union2(U_173,U_173) = U_173,
    inference(variable_rename,[status(thm)],[f_34_1]) ).

fof(f_34_3,plain,
    ! [U_173] : set_union2(U_173,U_173) = U_173,
    inference(miniscope,[status(thm)],[f_34_2]) ).

cnf(f_34_4,plain,
    set_union2(U_173,U_173) = U_173,
    inference(clausify,[status(thm)],[f_34_3]) ).

fof(f_35_1,plain,
    ! [A,B] : set_intersection2(A,A) = A,
    inference(fof_nnf,[status(thm)],[idempotence_k3_xboole_0]) ).

fof(f_35_2,plain,
    ! [U_175,U_174] : set_intersection2(U_175,U_175) = U_175,
    inference(variable_rename,[status(thm)],[f_35_1]) ).

fof(f_35_3,plain,
    ! [U_175] : set_intersection2(U_175,U_175) = U_175,
    inference(miniscope,[status(thm)],[f_35_2]) ).

cnf(f_35_4,plain,
    set_intersection2(U_175,U_175) = U_175,
    inference(clausify,[status(thm)],[f_35_3]) ).

fof(f_36_1,plain,
    ! [A,B] : ~ proper_subset(A,A),
    inference(fof_nnf,[status(thm)],[irreflexivity_r2_xboole_0]) ).

fof(f_36_2,plain,
    ! [U_177,U_176] : ~ proper_subset(U_177,U_177),
    inference(variable_rename,[status(thm)],[f_36_1]) ).

fof(f_36_3,plain,
    ! [U_177] : ~ proper_subset(U_177,U_177),
    inference(miniscope,[status(thm)],[f_36_2]) ).

cnf(f_36_4,plain,
    ~ proper_subset(U_177,U_177),
    inference(clausify,[status(thm)],[f_36_3]) ).

fof(f_37_1,plain,
    ! [A] : singleton(A) != empty_set,
    inference(fof_nnf,[status(thm)],[l1_zfmisc_1]) ).

fof(f_37_2,plain,
    ! [U_178] : singleton(U_178) != empty_set,
    inference(variable_rename,[status(thm)],[f_37_1]) ).

cnf(f_37_3,plain,
    singleton(U_178) != empty_set,
    inference(clausify,[status(thm)],[f_37_2]) ).

fof(f_38_1,plain,
    ! [A,B] :
      ( set_union2(singleton(A),B) = B
      | ~ in(A,B) ),
    inference(fof_nnf,[status(thm)],[l23_zfmisc_1]) ).

fof(f_38_2,plain,
    ! [U_180,U_179] :
      ( set_union2(singleton(U_180),U_179) = U_179
      | ~ in(U_180,U_179) ),
    inference(variable_rename,[status(thm)],[f_38_1]) ).

cnf(f_38_3,plain,
    ( set_union2(singleton(U_180),U_179) = U_179
    | ~ in(U_180,U_179) ),
    inference(clausify,[status(thm)],[f_38_2]) ).

fof(f_39_1,plain,
    ! [A,B] :
      ( ~ in(A,B)
      | ~ disjoint(singleton(A),B) ),
    inference(fof_nnf,[status(thm)],[l25_zfmisc_1]) ).

fof(f_39_2,plain,
    ! [U_182,U_181] :
      ( ~ in(U_182,U_181)
      | ~ disjoint(singleton(U_182),U_181) ),
    inference(variable_rename,[status(thm)],[f_39_1]) ).

cnf(f_39_3,plain,
    ( ~ in(U_182,U_181)
    | ~ disjoint(singleton(U_182),U_181) ),
    inference(clausify,[status(thm)],[f_39_2]) ).

fof(f_40_1,plain,
    ! [A,B] :
      ( disjoint(singleton(A),B)
      | in(A,B) ),
    inference(fof_nnf,[status(thm)],[l28_zfmisc_1]) ).

fof(f_40_2,plain,
    ! [U_184,U_183] :
      ( disjoint(singleton(U_184),U_183)
      | in(U_184,U_183) ),
    inference(variable_rename,[status(thm)],[f_40_1]) ).

cnf(f_40_3,plain,
    ( disjoint(singleton(U_184),U_183)
    | in(U_184,U_183) ),
    inference(clausify,[status(thm)],[f_40_2]) ).

fof(f_41_1,plain,
    ! [A,B] :
      ( ( subset(singleton(A),B)
        | ~ in(A,B) )
      & ( in(A,B)
        | ~ subset(singleton(A),B) ) ),
    inference(fof_nnf,[status(thm)],[l2_zfmisc_1]) ).

fof(f_41_2,plain,
    ! [U_186,U_185] :
      ( ( subset(singleton(U_186),U_185)
        | ~ in(U_186,U_185) )
      & ( in(U_186,U_185)
        | ~ subset(singleton(U_186),U_185) ) ),
    inference(variable_rename,[status(thm)],[f_41_1]) ).

fof(f_41_3,plain,
    ( ! [U_190,U_188] :
        ( subset(singleton(U_190),U_188)
        | ~ in(U_190,U_188) )
    & ! [U_189,U_187] :
        ( in(U_189,U_187)
        | ~ subset(singleton(U_189),U_187) ) ),
    inference(miniscope,[status(thm)],[f_41_2]) ).

cnf(f_41_4,plain,
    ( in(U_189,U_187)
    | ~ subset(singleton(U_189),U_187) ),
    inference(clausify,[status(thm)],[f_41_3]) ).

cnf(f_41_5,plain,
    ( subset(singleton(U_190),U_188)
    | ~ in(U_190,U_188) ),
    inference(clausify,[status(thm)],[f_41_3]) ).

fof(f_42_1,plain,
    ! [A,B] :
      ( ( set_difference(A,B) = empty_set
        | ~ subset(A,B) )
      & ( subset(A,B)
        | set_difference(A,B) != empty_set ) ),
    inference(fof_nnf,[status(thm)],[l32_xboole_1]) ).

fof(f_42_2,plain,
    ! [U_192,U_191] :
      ( ( set_difference(U_192,U_191) = empty_set
        | ~ subset(U_192,U_191) )
      & ( subset(U_192,U_191)
        | set_difference(U_192,U_191) != empty_set ) ),
    inference(variable_rename,[status(thm)],[f_42_1]) ).

fof(f_42_3,plain,
    ( ! [U_196,U_194] :
        ( set_difference(U_196,U_194) = empty_set
        | ~ subset(U_196,U_194) )
    & ! [U_195,U_193] :
        ( subset(U_195,U_193)
        | set_difference(U_195,U_193) != empty_set ) ),
    inference(miniscope,[status(thm)],[f_42_2]) ).

cnf(f_42_4,plain,
    ( subset(U_195,U_193)
    | set_difference(U_195,U_193) != empty_set ),
    inference(clausify,[status(thm)],[f_42_3]) ).

cnf(f_42_5,plain,
    ( set_difference(U_196,U_194) = empty_set
    | ~ subset(U_196,U_194) ),
    inference(clausify,[status(thm)],[f_42_3]) ).

fof(f_43_1,plain,
    ! [A,B,C] :
      ( subset(A,set_difference(B,singleton(C)))
      | in(C,A)
      | ~ subset(A,B) ),
    inference(fof_nnf,[status(thm)],[l3_zfmisc_1]) ).

fof(f_43_2,plain,
    ! [U_199,U_198,U_197] :
      ( subset(U_199,set_difference(U_198,singleton(U_197)))
      | in(U_197,U_199)
      | ~ subset(U_199,U_198) ),
    inference(variable_rename,[status(thm)],[f_43_1]) ).

fof(f_43_3,plain,
    ! [U_199,U_198] :
      ( ! [U_197] :
          ( subset(U_199,set_difference(U_198,singleton(U_197)))
          | in(U_197,U_199) )
      | ~ subset(U_199,U_198) ),
    inference(miniscope,[status(thm)],[f_43_2]) ).

cnf(f_43_4,plain,
    ( subset(U_199,set_difference(U_198,singleton(U_197)))
    | in(U_197,U_199)
    | ~ subset(U_199,U_198) ),
    inference(clausify,[status(thm)],[f_43_3]) ).

fof(f_44_1,plain,
    ! [A,B] :
      ( ( subset(A,singleton(B))
        | ( A != singleton(B)
          & A != empty_set ) )
      & ( A = singleton(B)
        | A = empty_set
        | ~ subset(A,singleton(B)) ) ),
    inference(fof_nnf,[status(thm)],[l4_zfmisc_1]) ).

fof(f_44_2,plain,
    ! [U_201,U_200] :
      ( ( subset(U_201,singleton(U_200))
        | ( U_201 != singleton(U_200)
          & U_201 != empty_set ) )
      & ( U_201 = singleton(U_200)
        | U_201 = empty_set
        | ~ subset(U_201,singleton(U_200)) ) ),
    inference(variable_rename,[status(thm)],[f_44_1]) ).

fof(f_44_3,plain,
    ( ! [U_205,U_203] :
        ( subset(U_205,singleton(U_203))
        | ( U_205 != singleton(U_203)
          & U_205 != empty_set ) )
    & ! [U_204,U_202] :
        ( U_204 = singleton(U_202)
        | U_204 = empty_set
        | ~ subset(U_204,singleton(U_202)) ) ),
    inference(miniscope,[status(thm)],[f_44_2]) ).

cnf(f_44_4,plain,
    ( U_204 = singleton(U_202)
    | U_204 = empty_set
    | ~ subset(U_204,singleton(U_202)) ),
    inference(clausify,[status(thm)],[f_44_3]) ).

cnf(f_44_5,plain,
    ( U_205 != empty_set
    | subset(U_205,singleton(U_203)) ),
    inference(clausify,[status(thm)],[f_44_3]) ).

cnf(f_44_6,plain,
    ( U_205 != singleton(U_203)
    | subset(U_205,singleton(U_203)) ),
    inference(clausify,[status(thm)],[f_44_3]) ).

fof(f_45_1,plain,
    ! [A,B] :
      ( subset(A,union(B))
      | ~ in(A,B) ),
    inference(fof_nnf,[status(thm)],[l50_zfmisc_1]) ).

fof(f_45_2,plain,
    ! [U_207,U_206] :
      ( subset(U_207,union(U_206))
      | ~ in(U_207,U_206) ),
    inference(variable_rename,[status(thm)],[f_45_1]) ).

cnf(f_45_3,plain,
    ( subset(U_207,union(U_206))
    | ~ in(U_207,U_206) ),
    inference(clausify,[status(thm)],[f_45_2]) ).

fof(f_46_1,plain,
    ! [A,B,C,D] :
      ( ( in(ordered_pair(A,B),cartesian_product2(C,D))
        | ~ in(B,D)
        | ~ in(A,C) )
      & ( ( in(B,D)
          & in(A,C) )
        | ~ in(ordered_pair(A,B),cartesian_product2(C,D)) ) ),
    inference(fof_nnf,[status(thm)],[l55_zfmisc_1]) ).

fof(f_46_2,plain,
    ! [U_211,U_210,U_209,U_208] :
      ( ( in(ordered_pair(U_211,U_210),cartesian_product2(U_209,U_208))
        | ~ in(U_210,U_208)
        | ~ in(U_211,U_209) )
      & ( ( in(U_210,U_208)
          & in(U_211,U_209) )
        | ~ in(ordered_pair(U_211,U_210),cartesian_product2(U_209,U_208)) ) ),
    inference(variable_rename,[status(thm)],[f_46_1]) ).

fof(f_46_3,plain,
    ( ! [U_219,U_217,U_215,U_213] :
        ( in(ordered_pair(U_219,U_217),cartesian_product2(U_215,U_213))
        | ~ in(U_217,U_213)
        | ~ in(U_219,U_215) )
    & ! [U_218,U_216,U_214,U_212] :
        ( ( in(U_216,U_212)
          & in(U_218,U_214) )
        | ~ in(ordered_pair(U_218,U_216),cartesian_product2(U_214,U_212)) ) ),
    inference(miniscope,[status(thm)],[f_46_2]) ).

cnf(f_46_4,plain,
    ( in(U_218,U_214)
    | ~ in(ordered_pair(U_218,U_216),cartesian_product2(U_214,U_212)) ),
    inference(clausify,[status(thm)],[f_46_3]) ).

cnf(f_46_5,plain,
    ( in(U_216,U_212)
    | ~ in(ordered_pair(U_218,U_216),cartesian_product2(U_214,U_212)) ),
    inference(clausify,[status(thm)],[f_46_3]) ).

cnf(f_46_6,plain,
    ( in(ordered_pair(U_219,U_217),cartesian_product2(U_215,U_213))
    | ~ in(U_217,U_213)
    | ~ in(U_219,U_215) ),
    inference(clausify,[status(thm)],[f_46_3]) ).

fof(f_47_1,plain,
    ? [A] : empty(A),
    inference(fof_nnf,[status(thm)],[rc1_xboole_0]) ).

fof(f_47_2,plain,
    ? [U_220] : empty(U_220),
    inference(variable_rename,[status(thm)],[f_47_1]) ).

fof(f_47_3,plain,
    empty(sK25),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK25]),skolemize(U_220,sK25)],[f_47_2]) ).

cnf(f_47_4,plain,
    empty(sK25),
    inference(clausify,[status(thm)],[f_47_3]) ).

fof(f_48_1,plain,
    ? [A] : ~ empty(A),
    inference(fof_nnf,[status(thm)],[rc2_xboole_0]) ).

fof(f_48_2,plain,
    ? [U_221] : ~ empty(U_221),
    inference(variable_rename,[status(thm)],[f_48_1]) ).

fof(f_48_3,plain,
    ~ empty(sK26),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK26]),skolemize(U_221,sK26)],[f_48_2]) ).

cnf(f_48_4,plain,
    ~ empty(sK26),
    inference(clausify,[status(thm)],[f_48_3]) ).

fof(f_49_1,plain,
    ! [A,B] : subset(A,A),
    inference(fof_nnf,[status(thm)],[reflexivity_r1_tarski]) ).

fof(f_49_2,plain,
    ! [U_223,U_222] : subset(U_223,U_223),
    inference(variable_rename,[status(thm)],[f_49_1]) ).

fof(f_49_3,plain,
    ! [U_223] : subset(U_223,U_223),
    inference(miniscope,[status(thm)],[f_49_2]) ).

cnf(f_49_4,plain,
    subset(U_223,U_223),
    inference(clausify,[status(thm)],[f_49_3]) ).

fof(f_50_1,plain,
    ! [A,B] :
      ( disjoint(B,A)
      | ~ disjoint(A,B) ),
    inference(fof_nnf,[status(thm)],[symmetry_r1_xboole_0]) ).

fof(f_50_2,plain,
    ! [U_225,U_224] :
      ( disjoint(U_224,U_225)
      | ~ disjoint(U_225,U_224) ),
    inference(variable_rename,[status(thm)],[f_50_1]) ).

cnf(f_50_3,plain,
    ( disjoint(U_224,U_225)
    | ~ disjoint(U_225,U_224) ),
    inference(clausify,[status(thm)],[f_50_2]) ).

fof(f_51_1,plain,
    ! [A,B,C,D] :
      ( A = D
      | A = C
      | unordered_pair(A,B) != unordered_pair(C,D) ),
    inference(fof_nnf,[status(thm)],[t10_zfmisc_1]) ).

fof(f_51_2,plain,
    ! [U_229,U_228,U_227,U_226] :
      ( U_229 = U_226
      | U_229 = U_227
      | unordered_pair(U_229,U_228) != unordered_pair(U_227,U_226) ),
    inference(variable_rename,[status(thm)],[f_51_1]) ).

fof(f_51_3,plain,
    ! [U_229,U_228,U_227] :
      ( ! [U_226] :
          ( U_229 = U_226
          | unordered_pair(U_229,U_228) != unordered_pair(U_227,U_226) )
      | U_229 = U_227 ),
    inference(miniscope,[status(thm)],[f_51_2]) ).

cnf(f_51_4,plain,
    ( U_229 = U_226
    | unordered_pair(U_229,U_228) != unordered_pair(U_227,U_226)
    | U_229 = U_227 ),
    inference(clausify,[status(thm)],[f_51_3]) ).

fof(f_52_1,plain,
    ! [A,B] :
      ( set_union2(A,B) = B
      | ~ subset(A,B) ),
    inference(fof_nnf,[status(thm)],[t12_xboole_1]) ).

fof(f_52_2,plain,
    ! [U_231,U_230] :
      ( set_union2(U_231,U_230) = U_230
      | ~ subset(U_231,U_230) ),
    inference(variable_rename,[status(thm)],[f_52_1]) ).

cnf(f_52_3,plain,
    ( set_union2(U_231,U_230) = U_230
    | ~ subset(U_231,U_230) ),
    inference(clausify,[status(thm)],[f_52_2]) ).

fof(f_53_1,plain,
    ! [A,B] : subset(set_intersection2(A,B),A),
    inference(fof_nnf,[status(thm)],[t17_xboole_1]) ).

fof(f_53_2,plain,
    ! [U_233,U_232] : subset(set_intersection2(U_233,U_232),U_233),
    inference(variable_rename,[status(thm)],[f_53_1]) ).

cnf(f_53_3,plain,
    subset(set_intersection2(U_233,U_232),U_233),
    inference(clausify,[status(thm)],[f_53_2]) ).

fof(f_54_1,plain,
    ! [A,B,C] :
      ( subset(A,set_intersection2(B,C))
      | ~ subset(A,C)
      | ~ subset(A,B) ),
    inference(fof_nnf,[status(thm)],[t19_xboole_1]) ).

fof(f_54_2,plain,
    ! [U_236,U_235,U_234] :
      ( subset(U_236,set_intersection2(U_235,U_234))
      | ~ subset(U_236,U_234)
      | ~ subset(U_236,U_235) ),
    inference(variable_rename,[status(thm)],[f_54_1]) ).

cnf(f_54_3,plain,
    ( subset(U_236,set_intersection2(U_235,U_234))
    | ~ subset(U_236,U_234)
    | ~ subset(U_236,U_235) ),
    inference(clausify,[status(thm)],[f_54_2]) ).

fof(f_55_1,plain,
    ! [A] : set_union2(A,empty_set) = A,
    inference(fof_nnf,[status(thm)],[t1_boole]) ).

fof(f_55_2,plain,
    ! [U_237] : set_union2(U_237,empty_set) = U_237,
    inference(variable_rename,[status(thm)],[f_55_1]) ).

cnf(f_55_3,plain,
    set_union2(U_237,empty_set) = U_237,
    inference(clausify,[status(thm)],[f_55_2]) ).

fof(f_56_1,plain,
    ! [A,B,C] :
      ( subset(A,C)
      | ~ subset(B,C)
      | ~ subset(A,B) ),
    inference(fof_nnf,[status(thm)],[t1_xboole_1]) ).

fof(f_56_2,plain,
    ! [U_240,U_239,U_238] :
      ( subset(U_240,U_238)
      | ~ subset(U_239,U_238)
      | ~ subset(U_240,U_239) ),
    inference(variable_rename,[status(thm)],[f_56_1]) ).

cnf(f_56_3,plain,
    ( subset(U_240,U_238)
    | ~ subset(U_239,U_238)
    | ~ subset(U_240,U_239) ),
    inference(clausify,[status(thm)],[f_56_2]) ).

fof(f_57_1,plain,
    powerset(empty_set) = singleton(empty_set),
    inference(fof_nnf,[status(thm)],[t1_zfmisc_1]) ).

cnf(f_57_2,plain,
    powerset(empty_set) = singleton(empty_set),
    inference(clausify,[status(thm)],[f_57_1]) ).

fof(f_58_1,plain,
    ! [A,B,C] :
      ( subset(set_intersection2(A,C),set_intersection2(B,C))
      | ~ subset(A,B) ),
    inference(fof_nnf,[status(thm)],[t26_xboole_1]) ).

fof(f_58_2,plain,
    ! [U_243,U_242,U_241] :
      ( subset(set_intersection2(U_243,U_241),set_intersection2(U_242,U_241))
      | ~ subset(U_243,U_242) ),
    inference(variable_rename,[status(thm)],[f_58_1]) ).

fof(f_58_3,plain,
    ! [U_243,U_242] :
      ( ! [U_241] : subset(set_intersection2(U_243,U_241),set_intersection2(U_242,U_241))
      | ~ subset(U_243,U_242) ),
    inference(miniscope,[status(thm)],[f_58_2]) ).

cnf(f_58_4,plain,
    ( subset(set_intersection2(U_243,U_241),set_intersection2(U_242,U_241))
    | ~ subset(U_243,U_242) ),
    inference(clausify,[status(thm)],[f_58_3]) ).

fof(f_59_1,plain,
    ! [A,B] :
      ( set_intersection2(A,B) = A
      | ~ subset(A,B) ),
    inference(fof_nnf,[status(thm)],[t28_xboole_1]) ).

fof(f_59_2,plain,
    ! [U_245,U_244] :
      ( set_intersection2(U_245,U_244) = U_245
      | ~ subset(U_245,U_244) ),
    inference(variable_rename,[status(thm)],[f_59_1]) ).

cnf(f_59_3,plain,
    ( set_intersection2(U_245,U_244) = U_245
    | ~ subset(U_245,U_244) ),
    inference(clausify,[status(thm)],[f_59_2]) ).

fof(f_60_1,plain,
    ! [A] : set_intersection2(A,empty_set) = empty_set,
    inference(fof_nnf,[status(thm)],[t2_boole]) ).

fof(f_60_2,plain,
    ! [U_246] : set_intersection2(U_246,empty_set) = empty_set,
    inference(variable_rename,[status(thm)],[f_60_1]) ).

cnf(f_60_3,plain,
    set_intersection2(U_246,empty_set) = empty_set,
    inference(clausify,[status(thm)],[f_60_2]) ).

fof(f_61_1,plain,
    ! [A,B] :
      ( A = B
      | ? [C] :
          ( ( ~ in(C,A)
            & in(C,B) )
          | ( ~ in(C,B)
            & in(C,A) ) ) ),
    inference(fof_nnf,[status(thm)],[t2_tarski]) ).

fof(f_61_2,plain,
    ! [U_249,U_248] :
      ( U_249 = U_248
      | ? [U_247] :
          ( ( ~ in(U_247,U_249)
            & in(U_247,U_248) )
          | ( ~ in(U_247,U_248)
            & in(U_247,U_249) ) ) ),
    inference(variable_rename,[status(thm)],[f_61_1]) ).

fof(f_61_3,plain,
    ! [U_249,U_248] :
      ( U_249 = U_248
      | ? [U_251] :
          ( ~ in(U_251,U_249)
          & in(U_251,U_248) )
      | ? [U_250] :
          ( ~ in(U_250,U_248)
          & in(U_250,U_249) ) ),
    inference(miniscope,[status(thm)],[f_61_2]) ).

fof(f_61_4,plain,
    ! [U_249,U_248] :
      ( U_249 = U_248
      | ? [U_251] :
          ( ~ in(U_251,U_249)
          & in(U_251,U_248) )
      | ( ~ in(sK27(U_249,U_248),U_248)
        & in(sK27(U_249,U_248),U_249) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK27]),skolemize(U_250,sK27(U_249,U_248))],[f_61_3]) ).

fof(f_61_5,plain,
    ! [U_249,U_248] :
      ( U_249 = U_248
      | ( ~ in(sK28(U_249,U_248),U_249)
        & in(sK28(U_249,U_248),U_248) )
      | ( ~ in(sK27(U_249,U_248),U_248)
        & in(sK27(U_249,U_248),U_249) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK28]),skolemize(U_251,sK28(U_249,U_248))],[f_61_4]) ).

cnf(f_61_6,plain,
    ( in(sK28(U_249,U_248),U_248)
    | in(sK27(U_249,U_248),U_249)
    | U_249 = U_248 ),
    inference(clausify,[status(thm)],[f_61_5]) ).

cnf(f_61_7,plain,
    ( ~ in(sK28(U_249,U_248),U_249)
    | in(sK27(U_249,U_248),U_249)
    | U_249 = U_248 ),
    inference(clausify,[status(thm)],[f_61_5]) ).

cnf(f_61_8,plain,
    ( in(sK28(U_249,U_248),U_248)
    | ~ in(sK27(U_249,U_248),U_248)
    | U_249 = U_248 ),
    inference(clausify,[status(thm)],[f_61_5]) ).

cnf(f_61_9,plain,
    ( ~ in(sK28(U_249,U_248),U_249)
    | ~ in(sK27(U_249,U_248),U_248)
    | U_249 = U_248 ),
    inference(clausify,[status(thm)],[f_61_5]) ).

fof(f_62_1,plain,
    ! [A] : subset(empty_set,A),
    inference(fof_nnf,[status(thm)],[t2_xboole_1]) ).

fof(f_62_2,plain,
    ! [U_252] : subset(empty_set,U_252),
    inference(variable_rename,[status(thm)],[f_62_1]) ).

cnf(f_62_3,plain,
    subset(empty_set,U_252),
    inference(clausify,[status(thm)],[f_62_2]) ).

fof(f_63_1,plain,
    ! [A,B,C] :
      ( subset(set_difference(A,C),set_difference(B,C))
      | ~ subset(A,B) ),
    inference(fof_nnf,[status(thm)],[t33_xboole_1]) ).

fof(f_63_2,plain,
    ! [U_255,U_254,U_253] :
      ( subset(set_difference(U_255,U_253),set_difference(U_254,U_253))
      | ~ subset(U_255,U_254) ),
    inference(variable_rename,[status(thm)],[f_63_1]) ).

fof(f_63_3,plain,
    ! [U_255,U_254] :
      ( ! [U_253] : subset(set_difference(U_255,U_253),set_difference(U_254,U_253))
      | ~ subset(U_255,U_254) ),
    inference(miniscope,[status(thm)],[f_63_2]) ).

cnf(f_63_4,plain,
    ( subset(set_difference(U_255,U_253),set_difference(U_254,U_253))
    | ~ subset(U_255,U_254) ),
    inference(clausify,[status(thm)],[f_63_3]) ).

fof(f_64_1,plain,
    ! [A,B,C,D] :
      ( ( B = D
        & A = C )
      | ordered_pair(A,B) != ordered_pair(C,D) ),
    inference(fof_nnf,[status(thm)],[t33_zfmisc_1]) ).

fof(f_64_2,plain,
    ! [U_259,U_258,U_257,U_256] :
      ( ( U_258 = U_256
        & U_259 = U_257 )
      | ordered_pair(U_259,U_258) != ordered_pair(U_257,U_256) ),
    inference(variable_rename,[status(thm)],[f_64_1]) ).

cnf(f_64_3,plain,
    ( U_259 = U_257
    | ordered_pair(U_259,U_258) != ordered_pair(U_257,U_256) ),
    inference(clausify,[status(thm)],[f_64_2]) ).

cnf(f_64_4,plain,
    ( U_258 = U_256
    | ordered_pair(U_259,U_258) != ordered_pair(U_257,U_256) ),
    inference(clausify,[status(thm)],[f_64_2]) ).

fof(f_65_1,plain,
    ! [A,B] : subset(set_difference(A,B),A),
    inference(fof_nnf,[status(thm)],[t36_xboole_1]) ).

fof(f_65_2,plain,
    ! [U_261,U_260] : subset(set_difference(U_261,U_260),U_261),
    inference(variable_rename,[status(thm)],[f_65_1]) ).

cnf(f_65_3,plain,
    subset(set_difference(U_261,U_260),U_261),
    inference(clausify,[status(thm)],[f_65_2]) ).

fof(f_66_1,plain,
    ! [A,B] :
      ( ( set_difference(A,B) = empty_set
        | ~ subset(A,B) )
      & ( subset(A,B)
        | set_difference(A,B) != empty_set ) ),
    inference(fof_nnf,[status(thm)],[t37_xboole_1]) ).

fof(f_66_2,plain,
    ! [U_263,U_262] :
      ( ( set_difference(U_263,U_262) = empty_set
        | ~ subset(U_263,U_262) )
      & ( subset(U_263,U_262)
        | set_difference(U_263,U_262) != empty_set ) ),
    inference(variable_rename,[status(thm)],[f_66_1]) ).

fof(f_66_3,plain,
    ( ! [U_267,U_265] :
        ( set_difference(U_267,U_265) = empty_set
        | ~ subset(U_267,U_265) )
    & ! [U_266,U_264] :
        ( subset(U_266,U_264)
        | set_difference(U_266,U_264) != empty_set ) ),
    inference(miniscope,[status(thm)],[f_66_2]) ).

cnf(f_66_4,plain,
    ( subset(U_266,U_264)
    | set_difference(U_266,U_264) != empty_set ),
    inference(clausify,[status(thm)],[f_66_3]) ).

cnf(f_66_5,plain,
    ( set_difference(U_267,U_265) = empty_set
    | ~ subset(U_267,U_265) ),
    inference(clausify,[status(thm)],[f_66_3]) ).

fof(f_67_1,negated_conjecture,
    ~ ! [A,B] :
        ( subset(singleton(A),B)
      <=> in(A,B) ),
    inference(negate,[status(cth)],[t37_zfmisc_1]) ).

fof(f_67_2,negated_conjecture,
    ? [A,B] :
      ( ( ~ subset(singleton(A),B)
        & in(A,B) )
      | ( ~ in(A,B)
        & subset(singleton(A),B) ) ),
    inference(fof_nnf,[status(thm)],[f_67_1]) ).

fof(f_67_3,negated_conjecture,
    ? [U_269,U_268] :
      ( ( ~ subset(singleton(U_269),U_268)
        & in(U_269,U_268) )
      | ( ~ in(U_269,U_268)
        & subset(singleton(U_269),U_268) ) ),
    inference(variable_rename,[status(thm)],[f_67_2]) ).

fof(f_67_4,negated_conjecture,
    ( ? [U_273,U_271] :
        ( ~ subset(singleton(U_273),U_271)
        & in(U_273,U_271) )
    | ? [U_272,U_270] :
        ( ~ in(U_272,U_270)
        & subset(singleton(U_272),U_270) ) ),
    inference(miniscope,[status(thm)],[f_67_3]) ).

fof(f_67_5,negated_conjecture,
    ( ? [U_273,U_271] :
        ( ~ subset(singleton(U_273),U_271)
        & in(U_273,U_271) )
    | ? [U_270] :
        ( ~ in(sK29,U_270)
        & subset(singleton(sK29),U_270) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK29]),skolemize(U_272,sK29)],[f_67_4]) ).

fof(f_67_6,negated_conjecture,
    ( ? [U_273,U_271] :
        ( ~ subset(singleton(U_273),U_271)
        & in(U_273,U_271) )
    | ( ~ in(sK29,sK30)
      & subset(singleton(sK29),sK30) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK30]),skolemize(U_270,sK30)],[f_67_5]) ).

fof(f_67_7,negated_conjecture,
    ( ? [U_271] :
        ( ~ subset(singleton(sK31),U_271)
        & in(sK31,U_271) )
    | ( ~ in(sK29,sK30)
      & subset(singleton(sK29),sK30) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK31]),skolemize(U_273,sK31)],[f_67_6]) ).

fof(f_67_8,negated_conjecture,
    ( ( ~ subset(singleton(sK31),sK32)
      & in(sK31,sK32) )
    | ( ~ in(sK29,sK30)
      & subset(singleton(sK29),sK30) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK32]),skolemize(U_271,sK32)],[f_67_7]) ).

fof(f_67_9,negated_conjecture,
    ( ( ~ subset(singleton(sK31),sK32)
      | ~ sP1 )
    & ( in(sK31,sK32)
      | ~ sP1 )
    & ( ~ in(sK29,sK30)
      | ~ sP0 )
    & ( subset(singleton(sK29),sK30)
      | ~ sP0 )
    & ( sP1
      | sP0 ) ),
    inference(definitional_conversion,[status(esa),new_symbols(definitional,[sP0,sP1])],[f_67_8]) ).

cnf(f_67_10,negated_conjecture,
    ( sP1
    | sP0 ),
    inference(clausify,[status(thm)],[f_67_9]) ).

cnf(f_67_11,negated_conjecture,
    ( subset(singleton(sK29),sK30)
    | ~ sP0 ),
    inference(clausify,[status(thm)],[f_67_9]) ).

cnf(f_67_12,negated_conjecture,
    ( ~ in(sK29,sK30)
    | ~ sP0 ),
    inference(clausify,[status(thm)],[f_67_9]) ).

cnf(f_67_13,negated_conjecture,
    ( in(sK31,sK32)
    | ~ sP1 ),
    inference(clausify,[status(thm)],[f_67_9]) ).

cnf(f_67_14,negated_conjecture,
    ( ~ subset(singleton(sK31),sK32)
    | ~ sP1 ),
    inference(clausify,[status(thm)],[f_67_9]) ).

fof(f_68_1,plain,
    ! [A,B] : set_union2(A,set_difference(B,A)) = set_union2(A,B),
    inference(fof_nnf,[status(thm)],[t39_xboole_1]) ).

fof(f_68_2,plain,
    ! [U_275,U_274] : set_union2(U_275,set_difference(U_274,U_275)) = set_union2(U_275,U_274),
    inference(variable_rename,[status(thm)],[f_68_1]) ).

cnf(f_68_3,plain,
    set_union2(U_275,set_difference(U_274,U_275)) = set_union2(U_275,U_274),
    inference(clausify,[status(thm)],[f_68_2]) ).

fof(f_69_1,plain,
    ! [A] : set_difference(A,empty_set) = A,
    inference(fof_nnf,[status(thm)],[t3_boole]) ).

fof(f_69_2,plain,
    ! [U_276] : set_difference(U_276,empty_set) = U_276,
    inference(variable_rename,[status(thm)],[f_69_1]) ).

cnf(f_69_3,plain,
    set_difference(U_276,empty_set) = U_276,
    inference(clausify,[status(thm)],[f_69_2]) ).

fof(f_70_1,plain,
    ! [A,B] :
      ( ( ~ disjoint(A,B)
        | ! [C] :
            ( ~ in(C,B)
            | ~ in(C,A) ) )
      & ( ? [C] :
            ( in(C,B)
            & in(C,A) )
        | disjoint(A,B) ) ),
    inference(fof_nnf,[status(thm)],[t3_xboole_0]) ).

fof(f_70_2,plain,
    ! [U_280,U_279] :
      ( ( ~ disjoint(U_280,U_279)
        | ! [U_278] :
            ( ~ in(U_278,U_279)
            | ~ in(U_278,U_280) ) )
      & ( ? [U_277] :
            ( in(U_277,U_279)
            & in(U_277,U_280) )
        | disjoint(U_280,U_279) ) ),
    inference(variable_rename,[status(thm)],[f_70_1]) ).

fof(f_70_3,plain,
    ( ! [U_284,U_282] :
        ( ~ disjoint(U_284,U_282)
        | ! [U_278] :
            ( ~ in(U_278,U_282)
            | ~ in(U_278,U_284) ) )
    & ! [U_283,U_281] :
        ( ? [U_277] :
            ( in(U_277,U_281)
            & in(U_277,U_283) )
        | disjoint(U_283,U_281) ) ),
    inference(miniscope,[status(thm)],[f_70_2]) ).

fof(f_70_4,plain,
    ( ! [U_284,U_282] :
        ( ~ disjoint(U_284,U_282)
        | ! [U_278] :
            ( ~ in(U_278,U_282)
            | ~ in(U_278,U_284) ) )
    & ! [U_283,U_281] :
        ( ( in(sK33(U_283,U_281),U_281)
          & in(sK33(U_283,U_281),U_283) )
        | disjoint(U_283,U_281) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK33]),skolemize(U_277,sK33(U_283,U_281))],[f_70_3]) ).

cnf(f_70_5,plain,
    ( in(sK33(U_283,U_281),U_283)
    | disjoint(U_283,U_281) ),
    inference(clausify,[status(thm)],[f_70_4]) ).

cnf(f_70_6,plain,
    ( in(sK33(U_283,U_281),U_281)
    | disjoint(U_283,U_281) ),
    inference(clausify,[status(thm)],[f_70_4]) ).

cnf(f_70_7,plain,
    ( ~ disjoint(U_284,U_282)
    | ~ in(U_278,U_282)
    | ~ in(U_278,U_284) ),
    inference(clausify,[status(thm)],[f_70_4]) ).

fof(f_71_1,plain,
    ! [A] :
      ( A = empty_set
      | ~ subset(A,empty_set) ),
    inference(fof_nnf,[status(thm)],[t3_xboole_1]) ).

fof(f_71_2,plain,
    ! [U_285] :
      ( U_285 = empty_set
      | ~ subset(U_285,empty_set) ),
    inference(variable_rename,[status(thm)],[f_71_1]) ).

cnf(f_71_3,plain,
    ( U_285 = empty_set
    | ~ subset(U_285,empty_set) ),
    inference(clausify,[status(thm)],[f_71_2]) ).

fof(f_72_1,plain,
    ! [A,B] : set_difference(set_union2(A,B),B) = set_difference(A,B),
    inference(fof_nnf,[status(thm)],[t40_xboole_1]) ).

fof(f_72_2,plain,
    ! [U_287,U_286] : set_difference(set_union2(U_287,U_286),U_286) = set_difference(U_287,U_286),
    inference(variable_rename,[status(thm)],[f_72_1]) ).

cnf(f_72_3,plain,
    set_difference(set_union2(U_287,U_286),U_286) = set_difference(U_287,U_286),
    inference(clausify,[status(thm)],[f_72_2]) ).

fof(f_73_1,plain,
    ! [A,B] :
      ( B = set_union2(A,set_difference(B,A))
      | ~ subset(A,B) ),
    inference(fof_nnf,[status(thm)],[t45_xboole_1]) ).

fof(f_73_2,plain,
    ! [U_289,U_288] :
      ( U_288 = set_union2(U_289,set_difference(U_288,U_289))
      | ~ subset(U_289,U_288) ),
    inference(variable_rename,[status(thm)],[f_73_1]) ).

cnf(f_73_3,plain,
    ( U_288 = set_union2(U_289,set_difference(U_288,U_289))
    | ~ subset(U_289,U_288) ),
    inference(clausify,[status(thm)],[f_73_2]) ).

fof(f_74_1,plain,
    ! [A,B] : set_difference(A,set_difference(A,B)) = set_intersection2(A,B),
    inference(fof_nnf,[status(thm)],[t48_xboole_1]) ).

fof(f_74_2,plain,
    ! [U_291,U_290] : set_difference(U_291,set_difference(U_291,U_290)) = set_intersection2(U_291,U_290),
    inference(variable_rename,[status(thm)],[f_74_1]) ).

cnf(f_74_3,plain,
    set_difference(U_291,set_difference(U_291,U_290)) = set_intersection2(U_291,U_290),
    inference(clausify,[status(thm)],[f_74_2]) ).

fof(f_75_1,plain,
    ! [A] : set_difference(empty_set,A) = empty_set,
    inference(fof_nnf,[status(thm)],[t4_boole]) ).

fof(f_75_2,plain,
    ! [U_292] : set_difference(empty_set,U_292) = empty_set,
    inference(variable_rename,[status(thm)],[f_75_1]) ).

cnf(f_75_3,plain,
    set_difference(empty_set,U_292) = empty_set,
    inference(clausify,[status(thm)],[f_75_2]) ).

fof(f_76_1,plain,
    ! [A,B] :
      ( ( ~ disjoint(A,B)
        | ! [C] : ~ in(C,set_intersection2(A,B)) )
      & ( ? [C] : in(C,set_intersection2(A,B))
        | disjoint(A,B) ) ),
    inference(fof_nnf,[status(thm)],[t4_xboole_0]) ).

fof(f_76_2,plain,
    ! [U_296,U_295] :
      ( ( ~ disjoint(U_296,U_295)
        | ! [U_294] : ~ in(U_294,set_intersection2(U_296,U_295)) )
      & ( ? [U_293] : in(U_293,set_intersection2(U_296,U_295))
        | disjoint(U_296,U_295) ) ),
    inference(variable_rename,[status(thm)],[f_76_1]) ).

fof(f_76_3,plain,
    ( ! [U_300,U_298] :
        ( ~ disjoint(U_300,U_298)
        | ! [U_294] : ~ in(U_294,set_intersection2(U_300,U_298)) )
    & ! [U_299,U_297] :
        ( ? [U_293] : in(U_293,set_intersection2(U_299,U_297))
        | disjoint(U_299,U_297) ) ),
    inference(miniscope,[status(thm)],[f_76_2]) ).

fof(f_76_4,plain,
    ( ! [U_300,U_298] :
        ( ~ disjoint(U_300,U_298)
        | ! [U_294] : ~ in(U_294,set_intersection2(U_300,U_298)) )
    & ! [U_299,U_297] :
        ( in(sK34(U_299,U_297),set_intersection2(U_299,U_297))
        | disjoint(U_299,U_297) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK34]),skolemize(U_293,sK34(U_299,U_297))],[f_76_3]) ).

cnf(f_76_5,plain,
    ( in(sK34(U_299,U_297),set_intersection2(U_299,U_297))
    | disjoint(U_299,U_297) ),
    inference(clausify,[status(thm)],[f_76_4]) ).

cnf(f_76_6,plain,
    ( ~ disjoint(U_300,U_298)
    | ~ in(U_294,set_intersection2(U_300,U_298)) ),
    inference(clausify,[status(thm)],[f_76_4]) ).

fof(f_77_1,plain,
    ! [A,B] :
      ( ~ proper_subset(B,A)
      | ~ subset(A,B) ),
    inference(fof_nnf,[status(thm)],[t60_xboole_1]) ).

fof(f_77_2,plain,
    ! [U_302,U_301] :
      ( ~ proper_subset(U_301,U_302)
      | ~ subset(U_302,U_301) ),
    inference(variable_rename,[status(thm)],[f_77_1]) ).

cnf(f_77_3,plain,
    ( ~ proper_subset(U_301,U_302)
    | ~ subset(U_302,U_301) ),
    inference(clausify,[status(thm)],[f_77_2]) ).

fof(f_78_1,plain,
    ! [A,B,C] :
      ( disjoint(A,C)
      | ~ disjoint(B,C)
      | ~ subset(A,B) ),
    inference(fof_nnf,[status(thm)],[t63_xboole_1]) ).

fof(f_78_2,plain,
    ! [U_305,U_304,U_303] :
      ( disjoint(U_305,U_303)
      | ~ disjoint(U_304,U_303)
      | ~ subset(U_305,U_304) ),
    inference(variable_rename,[status(thm)],[f_78_1]) ).

cnf(f_78_3,plain,
    ( disjoint(U_305,U_303)
    | ~ disjoint(U_304,U_303)
    | ~ subset(U_305,U_304) ),
    inference(clausify,[status(thm)],[f_78_2]) ).

fof(f_79_1,plain,
    ! [A] : unordered_pair(A,A) = singleton(A),
    inference(fof_nnf,[status(thm)],[t69_enumset1]) ).

fof(f_79_2,plain,
    ! [U_306] : unordered_pair(U_306,U_306) = singleton(U_306),
    inference(variable_rename,[status(thm)],[f_79_1]) ).

cnf(f_79_3,plain,
    unordered_pair(U_306,U_306) = singleton(U_306),
    inference(clausify,[status(thm)],[f_79_2]) ).

fof(f_80_1,plain,
    ! [A] :
      ( A = empty_set
      | ~ empty(A) ),
    inference(fof_nnf,[status(thm)],[t6_boole]) ).

fof(f_80_2,plain,
    ! [U_307] :
      ( U_307 = empty_set
      | ~ empty(U_307) ),
    inference(variable_rename,[status(thm)],[f_80_1]) ).

cnf(f_80_3,plain,
    ( U_307 = empty_set
    | ~ empty(U_307) ),
    inference(clausify,[status(thm)],[f_80_2]) ).

fof(f_81_1,plain,
    ! [A,B] :
      ( A = B
      | ~ subset(singleton(A),singleton(B)) ),
    inference(fof_nnf,[status(thm)],[t6_zfmisc_1]) ).

fof(f_81_2,plain,
    ! [U_309,U_308] :
      ( U_309 = U_308
      | ~ subset(singleton(U_309),singleton(U_308)) ),
    inference(variable_rename,[status(thm)],[f_81_1]) ).

cnf(f_81_3,plain,
    ( U_309 = U_308
    | ~ subset(singleton(U_309),singleton(U_308)) ),
    inference(clausify,[status(thm)],[f_81_2]) ).

fof(f_82_1,plain,
    ! [A,B] :
      ( ~ empty(B)
      | ~ in(A,B) ),
    inference(fof_nnf,[status(thm)],[t7_boole]) ).

fof(f_82_2,plain,
    ! [U_311,U_310] :
      ( ~ empty(U_310)
      | ~ in(U_311,U_310) ),
    inference(variable_rename,[status(thm)],[f_82_1]) ).

cnf(f_82_3,plain,
    ( ~ empty(U_310)
    | ~ in(U_311,U_310) ),
    inference(clausify,[status(thm)],[f_82_2]) ).

fof(f_83_1,plain,
    ! [A,B] : subset(A,set_union2(A,B)),
    inference(fof_nnf,[status(thm)],[t7_xboole_1]) ).

fof(f_83_2,plain,
    ! [U_313,U_312] : subset(U_313,set_union2(U_313,U_312)),
    inference(variable_rename,[status(thm)],[f_83_1]) ).

cnf(f_83_3,plain,
    subset(U_313,set_union2(U_313,U_312)),
    inference(clausify,[status(thm)],[f_83_2]) ).

fof(f_84_1,plain,
    ! [A,B] :
      ( ( disjoint(A,B)
        | set_difference(A,B) != A )
      & ( set_difference(A,B) = A
        | ~ disjoint(A,B) ) ),
    inference(fof_nnf,[status(thm)],[t83_xboole_1]) ).

fof(f_84_2,plain,
    ! [U_315,U_314] :
      ( ( disjoint(U_315,U_314)
        | set_difference(U_315,U_314) != U_315 )
      & ( set_difference(U_315,U_314) = U_315
        | ~ disjoint(U_315,U_314) ) ),
    inference(variable_rename,[status(thm)],[f_84_1]) ).

fof(f_84_3,plain,
    ( ! [U_319,U_317] :
        ( disjoint(U_319,U_317)
        | set_difference(U_319,U_317) != U_319 )
    & ! [U_318,U_316] :
        ( set_difference(U_318,U_316) = U_318
        | ~ disjoint(U_318,U_316) ) ),
    inference(miniscope,[status(thm)],[f_84_2]) ).

cnf(f_84_4,plain,
    ( set_difference(U_318,U_316) = U_318
    | ~ disjoint(U_318,U_316) ),
    inference(clausify,[status(thm)],[f_84_3]) ).

cnf(f_84_5,plain,
    ( disjoint(U_319,U_317)
    | set_difference(U_319,U_317) != U_319 ),
    inference(clausify,[status(thm)],[f_84_3]) ).

fof(f_85_1,plain,
    ! [A,B] :
      ( ~ empty(B)
      | A = B
      | ~ empty(A) ),
    inference(fof_nnf,[status(thm)],[t8_boole]) ).

fof(f_85_2,plain,
    ! [U_321,U_320] :
      ( ~ empty(U_320)
      | U_321 = U_320
      | ~ empty(U_321) ),
    inference(variable_rename,[status(thm)],[f_85_1]) ).

fof(f_85_3,plain,
    ! [U_321] :
      ( ! [U_320] :
          ( ~ empty(U_320)
          | U_321 = U_320 )
      | ~ empty(U_321) ),
    inference(miniscope,[status(thm)],[f_85_2]) ).

cnf(f_85_4,plain,
    ( ~ empty(U_320)
    | U_321 = U_320
    | ~ empty(U_321) ),
    inference(clausify,[status(thm)],[f_85_3]) ).

fof(f_86_1,plain,
    ! [A,B,C] :
      ( subset(set_union2(A,C),B)
      | ~ subset(C,B)
      | ~ subset(A,B) ),
    inference(fof_nnf,[status(thm)],[t8_xboole_1]) ).

fof(f_86_2,plain,
    ! [U_324,U_323,U_322] :
      ( subset(set_union2(U_324,U_322),U_323)
      | ~ subset(U_322,U_323)
      | ~ subset(U_324,U_323) ),
    inference(variable_rename,[status(thm)],[f_86_1]) ).

cnf(f_86_3,plain,
    ( subset(set_union2(U_324,U_322),U_323)
    | ~ subset(U_322,U_323)
    | ~ subset(U_324,U_323) ),
    inference(clausify,[status(thm)],[f_86_2]) ).

fof(f_87_1,plain,
    ! [A,B,C] :
      ( A = B
      | singleton(A) != unordered_pair(B,C) ),
    inference(fof_nnf,[status(thm)],[t8_zfmisc_1]) ).

fof(f_87_2,plain,
    ! [U_327,U_326,U_325] :
      ( U_327 = U_326
      | singleton(U_327) != unordered_pair(U_326,U_325) ),
    inference(variable_rename,[status(thm)],[f_87_1]) ).

fof(f_87_3,plain,
    ! [U_327,U_326] :
      ( ! [U_325] : singleton(U_327) != unordered_pair(U_326,U_325)
      | U_327 = U_326 ),
    inference(miniscope,[status(thm)],[f_87_2]) ).

cnf(f_87_4,plain,
    ( singleton(U_327) != unordered_pair(U_326,U_325)
    | U_327 = U_326 ),
    inference(clausify,[status(thm)],[f_87_3]) ).

fof(f_88_1,plain,
    ! [A,B,C] :
      ( B = C
      | singleton(A) != unordered_pair(B,C) ),
    inference(fof_nnf,[status(thm)],[t9_zfmisc_1]) ).

fof(f_88_2,plain,
    ! [U_330,U_329,U_328] :
      ( U_329 = U_328
      | singleton(U_330) != unordered_pair(U_329,U_328) ),
    inference(variable_rename,[status(thm)],[f_88_1]) ).

cnf(f_88_3,plain,
    ( U_329 = U_328
    | singleton(U_330) != unordered_pair(U_329,U_328) ),
    inference(clausify,[status(thm)],[f_88_2]) ).

cnf(f_20_2_true,plain,
    $true,
    inference(clause_is_true,[status(thm)],[f_20_2]) ).

cnf(f_21_2_true,plain,
    $true,
    inference(clause_is_true,[status(thm)],[f_21_2]) ).

cnf(f_22_2_true,plain,
    $true,
    inference(clause_is_true,[status(thm)],[f_22_2]) ).

cnf(f_23_2_true,plain,
    $true,
    inference(clause_is_true,[status(thm)],[f_23_2]) ).

cnf(f_24_2_true,plain,
    $true,
    inference(clause_is_true,[status(thm)],[f_24_2]) ).

cnf(f_25_2_true,plain,
    $true,
    inference(clause_is_true,[status(thm)],[f_25_2]) ).

cnf(f_26_2_true,plain,
    $true,
    inference(clause_is_true,[status(thm)],[f_26_2]) ).

cnf(f_27_2_true,plain,
    $true,
    inference(clause_is_true,[status(thm)],[f_27_2]) ).

cnf(f_28_2_true,plain,
    $true,
    inference(clause_is_true,[status(thm)],[f_28_2]) ).

cnf(f_29_2_true,plain,
    $true,
    inference(clause_is_true,[status(thm)],[f_29_2]) ).

cnf(equality_1,axiom,
    Eq_x_0 = Eq_x_0,
    theory(equality,[reflexivity]) ).

cnf(equality_2,axiom,
    ( Eq_x_1 = Eq_x_0
    | Eq_x_0 != Eq_x_1 ),
    theory(equality,[symmetry]) ).

cnf(equality_3,axiom,
    ( Eq_x_0 = Eq_x_2
    | Eq_x_1 != Eq_x_2
    | Eq_x_0 != Eq_x_1 ),
    theory(equality,[transitivity]) ).

cnf(equality_4,axiom,
    ( unordered_pair(Eq_x_0,Eq_x_1) = unordered_pair(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_5,axiom,
    ( set_union2(Eq_x_0,Eq_x_1) = set_union2(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_6,axiom,
    ( set_intersection2(Eq_x_0,Eq_x_1) = set_intersection2(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_7,axiom,
    ( singleton(Eq_x_0) = singleton(Eq_y_0)
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_8,axiom,
    ( powerset(Eq_x_0) = powerset(Eq_y_0)
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_9,axiom,
    ( cartesian_product2(Eq_x_0,Eq_x_1) = cartesian_product2(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_10,axiom,
    ( ordered_pair(Eq_x_0,Eq_x_1) = ordered_pair(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_11,axiom,
    ( union(Eq_x_0) = union(Eq_y_0)
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_12,axiom,
    ( set_difference(Eq_x_0,Eq_x_1) = set_difference(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_13,axiom,
    ( sK1(Eq_x_0,Eq_x_1) = sK1(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_14,axiom,
    ( sK2(Eq_x_0,Eq_x_1) = sK2(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_15,axiom,
    ( sK3(Eq_x_0) = sK3(Eq_y_0)
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_16,axiom,
    ( sK4(Eq_x_0,Eq_x_1) = sK4(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_17,axiom,
    ( sK5(Eq_x_0,Eq_x_1) = sK5(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_18,axiom,
    ( sK6(Eq_x_0,Eq_x_1,Eq_x_2) = sK6(Eq_y_0,Eq_y_1,Eq_y_2)
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_19,axiom,
    ( sK7(Eq_x_0,Eq_x_1,Eq_x_2) = sK7(Eq_y_0,Eq_y_1,Eq_y_2)
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_20,axiom,
    ( sK8(Eq_x_0,Eq_x_1,Eq_x_2) = sK8(Eq_y_0,Eq_y_1,Eq_y_2)
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_21,axiom,
    ( sK9(Eq_x_0,Eq_x_1,Eq_x_2) = sK9(Eq_y_0,Eq_y_1,Eq_y_2)
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_22,axiom,
    ( sK10(Eq_x_0,Eq_x_1,Eq_x_2,Eq_x_3) = sK10(Eq_y_0,Eq_y_1,Eq_y_2,Eq_y_3)
    | Eq_x_3 != Eq_y_3
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_23,axiom,
    ( sK11(Eq_x_0,Eq_x_1,Eq_x_2,Eq_x_3) = sK11(Eq_y_0,Eq_y_1,Eq_y_2,Eq_y_3)
    | Eq_x_3 != Eq_y_3
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_24,axiom,
    ( sK12(Eq_x_0,Eq_x_1,Eq_x_2) = sK12(Eq_y_0,Eq_y_1,Eq_y_2)
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_25,axiom,
    ( sK13(Eq_x_0,Eq_x_1,Eq_x_2) = sK13(Eq_y_0,Eq_y_1,Eq_y_2)
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_26,axiom,
    ( sK14(Eq_x_0,Eq_x_1,Eq_x_2) = sK14(Eq_y_0,Eq_y_1,Eq_y_2)
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_27,axiom,
    ( sK15(Eq_x_0,Eq_x_1,Eq_x_2) = sK15(Eq_y_0,Eq_y_1,Eq_y_2)
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_28,axiom,
    ( sK16(Eq_x_0,Eq_x_1) = sK16(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_29,axiom,
    ( sK17(Eq_x_0,Eq_x_1,Eq_x_2) = sK17(Eq_y_0,Eq_y_1,Eq_y_2)
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_30,axiom,
    ( sK18(Eq_x_0,Eq_x_1,Eq_x_2) = sK18(Eq_y_0,Eq_y_1,Eq_y_2)
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_31,axiom,
    ( sK19(Eq_x_0,Eq_x_1,Eq_x_2) = sK19(Eq_y_0,Eq_y_1,Eq_y_2)
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_32,axiom,
    ( sK20(Eq_x_0,Eq_x_1) = sK20(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_33,axiom,
    ( sK21(Eq_x_0,Eq_x_1) = sK21(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_34,axiom,
    ( sK22(Eq_x_0,Eq_x_1) = sK22(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_35,axiom,
    ( sK23(Eq_x_0,Eq_x_1,Eq_x_2) = sK23(Eq_y_0,Eq_y_1,Eq_y_2)
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_36,axiom,
    ( sK24(Eq_x_0,Eq_x_1,Eq_x_2) = sK24(Eq_y_0,Eq_y_1,Eq_y_2)
    | Eq_x_2 != Eq_y_2
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_37,axiom,
    ( sK27(Eq_x_0,Eq_x_1) = sK27(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_38,axiom,
    ( sK28(Eq_x_0,Eq_x_1) = sK28(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_39,axiom,
    ( sK33(Eq_x_0,Eq_x_1) = sK33(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_40,axiom,
    ( sK34(Eq_x_0,Eq_x_1) = sK34(Eq_y_0,Eq_y_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_functions]) ).

cnf(equality_41,axiom,
    ( in(Eq_y_0,Eq_y_1)
    | ~ in(Eq_x_0,Eq_x_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_predicates]) ).

cnf(equality_42,axiom,
    ( proper_subset(Eq_y_0,Eq_y_1)
    | ~ proper_subset(Eq_x_0,Eq_x_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_predicates]) ).

cnf(equality_43,axiom,
    ( subset(Eq_y_0,Eq_y_1)
    | ~ subset(Eq_x_0,Eq_x_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_predicates]) ).

cnf(equality_44,axiom,
    ( disjoint(Eq_y_0,Eq_y_1)
    | ~ disjoint(Eq_x_0,Eq_x_1)
    | Eq_x_1 != Eq_y_1
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_predicates]) ).

cnf(equality_45,axiom,
    ( empty(Eq_y_0)
    | ~ empty(Eq_x_0)
    | Eq_x_0 != Eq_y_0 ),
    theory(equality,[substitution_predicates]) ).

cnf(sat_proved,plain,
    $false,
    inference(cadical,[status(thm)],[]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : SEU158+2 : TPTP v9.3.1. Released v3.3.0.
% 0.00/0.03  This is a FOF_THM_RFO_SEQ problem
% 0.00/0.04  % Command  : /export/starexec/sandbox/solver/bin/connect++ --verbosity 1 --no-colour --tptp-proof --schedule default --timeout 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.36  % Computer : n004.cluster.edu
% 0.09/0.36  % Model    : x86_64 x86_64
% 0.09/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36  % Memory   : 8046.5625MB
% 0.09/0.36  % OS       : Linux 6.8.0-71-generic
% 0.09/0.36  % CPULimit : 300
% 0.09/0.36  % WCLimit  : 300
% 0.09/0.36  % DateTime : Sat Sep 19 23:24:04 UTC 2026
% 0.03/0.36  % CPUTime  : 
% 11.35/11.63  % SZS status Theorem for theBenchmark
% 11.35/11.63  % SZS output start Proof for theBenchmark
% See solution above
%------------------------------------------------------------------------------