↑ Up

ConnectPP---0.7.2.THM-Prf.s

View TPTP
Problem
Process solution in
SystemOnTSTP
Download .tgz
%------------------------------------------------------------------------------
% File     : ConnectPP---0.7.2
% Problem  : SET921+1 : TPTP v9.3.1. Released v3.2.0.
% 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 : n018.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 08:57:48 AM UTC 2026

% Result   : Theorem 1.16s 1.41s
% Output   : Proof 1.16s
% 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(d1_tarski,axiom,
    ! [A,B] :
      ( B = singleton(A)
    <=> ! [C] :
          ( in(C,B)
        <=> C = A ) ),
    file('theBenchmark.p',d1_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(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(t64_zfmisc_1,conjecture,
    ! [A,B,C] :
      ( in(A,set_difference(B,singleton(C)))
    <=> ( A != C
        & in(A,B) ) ),
    file('theBenchmark.p',t64_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] :
      ( ( 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_2_2,plain,
    ! [U_5,U_4] :
      ( ( U_4 = singleton(U_5)
        | ? [U_3] :
            ( ( ~ in(U_3,U_4)
              & U_3 = U_5 )
            | ( U_3 != U_5
              & in(U_3,U_4) ) ) )
      & ( ! [U_2] :
            ( ( in(U_2,U_4)
              | U_2 != U_5 )
            & ( U_2 = U_5
              | ~ in(U_2,U_4) ) )
        | U_4 != singleton(U_5) ) ),
    inference(variable_rename,[status(thm)],[f_2_1]) ).

fof(f_2_3,plain,
    ( ! [U_13,U_11] :
        ( U_11 = singleton(U_13)
        | ? [U_9] :
            ( ~ in(U_9,U_11)
            & U_9 = U_13 )
        | ? [U_8] :
            ( U_8 != U_13
            & in(U_8,U_11) ) )
    & ! [U_12,U_10] :
        ( ( ! [U_7] :
              ( in(U_7,U_10)
              | U_7 != U_12 )
          & ! [U_6] :
              ( U_6 = U_12
              | ~ in(U_6,U_10) ) )
        | U_10 != singleton(U_12) ) ),
    inference(miniscope,[status(thm)],[f_2_2]) ).

fof(f_2_4,plain,
    ( ! [U_13,U_11] :
        ( U_11 = singleton(U_13)
        | ? [U_9] :
            ( ~ in(U_9,U_11)
            & U_9 = U_13 )
        | ( sK1(U_13,U_11) != U_13
          & in(sK1(U_13,U_11),U_11) ) )
    & ! [U_12,U_10] :
        ( ( ! [U_7] :
              ( in(U_7,U_10)
              | U_7 != U_12 )
          & ! [U_6] :
              ( U_6 = U_12
              | ~ in(U_6,U_10) ) )
        | U_10 != singleton(U_12) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK1]),skolemize(U_8,sK1(U_13,U_11))],[f_2_3]) ).

fof(f_2_5,plain,
    ( ! [U_13,U_11] :
        ( U_11 = singleton(U_13)
        | ( ~ in(sK2(U_13,U_11),U_11)
          & sK2(U_13,U_11) = U_13 )
        | ( sK1(U_13,U_11) != U_13
          & in(sK1(U_13,U_11),U_11) ) )
    & ! [U_12,U_10] :
        ( ( ! [U_7] :
              ( in(U_7,U_10)
              | U_7 != U_12 )
          & ! [U_6] :
              ( U_6 = U_12
              | ~ in(U_6,U_10) ) )
        | U_10 != singleton(U_12) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK2]),skolemize(U_9,sK2(U_13,U_11))],[f_2_4]) ).

cnf(f_2_6,plain,
    ( U_6 = U_12
    | ~ in(U_6,U_10)
    | U_10 != singleton(U_12) ),
    inference(clausify,[status(thm)],[f_2_5]) ).

cnf(f_2_7,plain,
    ( in(U_7,U_10)
    | U_7 != U_12
    | U_10 != singleton(U_12) ),
    inference(clausify,[status(thm)],[f_2_5]) ).

cnf(f_2_8,plain,
    ( sK2(U_13,U_11) = U_13
    | in(sK1(U_13,U_11),U_11)
    | U_11 = singleton(U_13) ),
    inference(clausify,[status(thm)],[f_2_5]) ).

cnf(f_2_9,plain,
    ( ~ in(sK2(U_13,U_11),U_11)
    | in(sK1(U_13,U_11),U_11)
    | U_11 = singleton(U_13) ),
    inference(clausify,[status(thm)],[f_2_5]) ).

cnf(f_2_10,plain,
    ( sK2(U_13,U_11) = U_13
    | sK1(U_13,U_11) != U_13
    | U_11 = singleton(U_13) ),
    inference(clausify,[status(thm)],[f_2_5]) ).

cnf(f_2_11,plain,
    ( ~ in(sK2(U_13,U_11),U_11)
    | sK1(U_13,U_11) != U_13
    | U_11 = singleton(U_13) ),
    inference(clausify,[status(thm)],[f_2_5]) ).

fof(f_3_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_3_2,plain,
    ! [U_18,U_17,U_16] :
      ( ( U_16 = set_difference(U_18,U_17)
        | ? [U_15] :
            ( ( ~ in(U_15,U_16)
              & ~ in(U_15,U_17)
              & in(U_15,U_18) )
            | ( ( in(U_15,U_17)
                | ~ in(U_15,U_18) )
              & in(U_15,U_16) ) ) )
      & ( ! [U_14] :
            ( ( in(U_14,U_16)
              | in(U_14,U_17)
              | ~ in(U_14,U_18) )
            & ( ( ~ in(U_14,U_17)
                & in(U_14,U_18) )
              | ~ in(U_14,U_16) ) )
        | U_16 != set_difference(U_18,U_17) ) ),
    inference(variable_rename,[status(thm)],[f_3_1]) ).

fof(f_3_3,plain,
    ( ! [U_28,U_26,U_24] :
        ( U_24 = set_difference(U_28,U_26)
        | ? [U_22] :
            ( ~ in(U_22,U_24)
            & ~ in(U_22,U_26)
            & in(U_22,U_28) )
        | ? [U_21] :
            ( ( in(U_21,U_26)
              | ~ in(U_21,U_28) )
            & in(U_21,U_24) ) )
    & ! [U_27,U_25,U_23] :
        ( ( ! [U_20] :
              ( in(U_20,U_23)
              | in(U_20,U_25)
              | ~ in(U_20,U_27) )
          & ! [U_19] :
              ( ( ~ in(U_19,U_25)
                & in(U_19,U_27) )
              | ~ in(U_19,U_23) ) )
        | U_23 != set_difference(U_27,U_25) ) ),
    inference(miniscope,[status(thm)],[f_3_2]) ).

fof(f_3_4,plain,
    ( ! [U_28,U_26,U_24] :
        ( U_24 = set_difference(U_28,U_26)
        | ? [U_22] :
            ( ~ in(U_22,U_24)
            & ~ in(U_22,U_26)
            & in(U_22,U_28) )
        | ( ( in(sK3(U_28,U_26,U_24),U_26)
            | ~ in(sK3(U_28,U_26,U_24),U_28) )
          & in(sK3(U_28,U_26,U_24),U_24) ) )
    & ! [U_27,U_25,U_23] :
        ( ( ! [U_20] :
              ( in(U_20,U_23)
              | in(U_20,U_25)
              | ~ in(U_20,U_27) )
          & ! [U_19] :
              ( ( ~ in(U_19,U_25)
                & in(U_19,U_27) )
              | ~ in(U_19,U_23) ) )
        | U_23 != set_difference(U_27,U_25) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK3]),skolemize(U_21,sK3(U_28,U_26,U_24))],[f_3_3]) ).

fof(f_3_5,plain,
    ( ! [U_28,U_26,U_24] :
        ( U_24 = set_difference(U_28,U_26)
        | ( ~ in(sK4(U_28,U_26,U_24),U_24)
          & ~ in(sK4(U_28,U_26,U_24),U_26)
          & in(sK4(U_28,U_26,U_24),U_28) )
        | ( ( in(sK3(U_28,U_26,U_24),U_26)
            | ~ in(sK3(U_28,U_26,U_24),U_28) )
          & in(sK3(U_28,U_26,U_24),U_24) ) )
    & ! [U_27,U_25,U_23] :
        ( ( ! [U_20] :
              ( in(U_20,U_23)
              | in(U_20,U_25)
              | ~ in(U_20,U_27) )
          & ! [U_19] :
              ( ( ~ in(U_19,U_25)
                & in(U_19,U_27) )
              | ~ in(U_19,U_23) ) )
        | U_23 != set_difference(U_27,U_25) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK4]),skolemize(U_22,sK4(U_28,U_26,U_24))],[f_3_4]) ).

cnf(f_3_6,plain,
    ( in(U_19,U_27)
    | ~ in(U_19,U_23)
    | U_23 != set_difference(U_27,U_25) ),
    inference(clausify,[status(thm)],[f_3_5]) ).

cnf(f_3_7,plain,
    ( ~ in(U_19,U_25)
    | ~ in(U_19,U_23)
    | U_23 != set_difference(U_27,U_25) ),
    inference(clausify,[status(thm)],[f_3_5]) ).

cnf(f_3_8,plain,
    ( in(U_20,U_23)
    | in(U_20,U_25)
    | ~ in(U_20,U_27)
    | U_23 != set_difference(U_27,U_25) ),
    inference(clausify,[status(thm)],[f_3_5]) ).

cnf(f_3_9,plain,
    ( in(sK4(U_28,U_26,U_24),U_28)
    | in(sK3(U_28,U_26,U_24),U_24)
    | U_24 = set_difference(U_28,U_26) ),
    inference(clausify,[status(thm)],[f_3_5]) ).

cnf(f_3_10,plain,
    ( ~ in(sK4(U_28,U_26,U_24),U_26)
    | in(sK3(U_28,U_26,U_24),U_24)
    | U_24 = set_difference(U_28,U_26) ),
    inference(clausify,[status(thm)],[f_3_5]) ).

cnf(f_3_11,plain,
    ( ~ in(sK4(U_28,U_26,U_24),U_24)
    | in(sK3(U_28,U_26,U_24),U_24)
    | U_24 = set_difference(U_28,U_26) ),
    inference(clausify,[status(thm)],[f_3_5]) ).

cnf(f_3_12,plain,
    ( in(sK4(U_28,U_26,U_24),U_28)
    | in(sK3(U_28,U_26,U_24),U_26)
    | ~ in(sK3(U_28,U_26,U_24),U_28)
    | U_24 = set_difference(U_28,U_26) ),
    inference(clausify,[status(thm)],[f_3_5]) ).

cnf(f_3_13,plain,
    ( ~ in(sK4(U_28,U_26,U_24),U_26)
    | in(sK3(U_28,U_26,U_24),U_26)
    | ~ in(sK3(U_28,U_26,U_24),U_28)
    | U_24 = set_difference(U_28,U_26) ),
    inference(clausify,[status(thm)],[f_3_5]) ).

cnf(f_3_14,plain,
    ( ~ in(sK4(U_28,U_26,U_24),U_24)
    | in(sK3(U_28,U_26,U_24),U_26)
    | ~ in(sK3(U_28,U_26,U_24),U_28)
    | U_24 = set_difference(U_28,U_26) ),
    inference(clausify,[status(thm)],[f_3_5]) ).

fof(f_4_1,plain,
    ? [A] : empty(A),
    inference(fof_nnf,[status(thm)],[rc1_xboole_0]) ).

fof(f_4_2,plain,
    ? [U_29] : empty(U_29),
    inference(variable_rename,[status(thm)],[f_4_1]) ).

fof(f_4_3,plain,
    empty(sK5),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK5]),skolemize(U_29,sK5)],[f_4_2]) ).

cnf(f_4_4,plain,
    empty(sK5),
    inference(clausify,[status(thm)],[f_4_3]) ).

fof(f_5_1,plain,
    ? [A] : ~ empty(A),
    inference(fof_nnf,[status(thm)],[rc2_xboole_0]) ).

fof(f_5_2,plain,
    ? [U_30] : ~ empty(U_30),
    inference(variable_rename,[status(thm)],[f_5_1]) ).

fof(f_5_3,plain,
    ~ empty(sK6),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK6]),skolemize(U_30,sK6)],[f_5_2]) ).

cnf(f_5_4,plain,
    ~ empty(sK6),
    inference(clausify,[status(thm)],[f_5_3]) ).

fof(f_6_1,negated_conjecture,
    ~ ! [A,B,C] :
        ( in(A,set_difference(B,singleton(C)))
      <=> ( A != C
          & in(A,B) ) ),
    inference(negate,[status(cth)],[t64_zfmisc_1]) ).

fof(f_6_2,negated_conjecture,
    ? [A,B,C] :
      ( ( ~ in(A,set_difference(B,singleton(C)))
        & A != C
        & in(A,B) )
      | ( ( A = C
          | ~ in(A,B) )
        & in(A,set_difference(B,singleton(C))) ) ),
    inference(fof_nnf,[status(thm)],[f_6_1]) ).

fof(f_6_3,negated_conjecture,
    ? [U_33,U_32,U_31] :
      ( ( ~ in(U_33,set_difference(U_32,singleton(U_31)))
        & U_33 != U_31
        & in(U_33,U_32) )
      | ( ( U_33 = U_31
          | ~ in(U_33,U_32) )
        & in(U_33,set_difference(U_32,singleton(U_31))) ) ),
    inference(variable_rename,[status(thm)],[f_6_2]) ).

fof(f_6_4,negated_conjecture,
    ( ? [U_39,U_37,U_35] :
        ( ~ in(U_39,set_difference(U_37,singleton(U_35)))
        & U_39 != U_35
        & in(U_39,U_37) )
    | ? [U_38,U_36,U_34] :
        ( ( U_38 = U_34
          | ~ in(U_38,U_36) )
        & in(U_38,set_difference(U_36,singleton(U_34))) ) ),
    inference(miniscope,[status(thm)],[f_6_3]) ).

fof(f_6_5,negated_conjecture,
    ( ? [U_39,U_37,U_35] :
        ( ~ in(U_39,set_difference(U_37,singleton(U_35)))
        & U_39 != U_35
        & in(U_39,U_37) )
    | ? [U_36,U_34] :
        ( ( sK7 = U_34
          | ~ in(sK7,U_36) )
        & in(sK7,set_difference(U_36,singleton(U_34))) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK7]),skolemize(U_38,sK7)],[f_6_4]) ).

fof(f_6_6,negated_conjecture,
    ( ? [U_39,U_37,U_35] :
        ( ~ in(U_39,set_difference(U_37,singleton(U_35)))
        & U_39 != U_35
        & in(U_39,U_37) )
    | ? [U_34] :
        ( ( sK7 = U_34
          | ~ in(sK7,sK8) )
        & in(sK7,set_difference(sK8,singleton(U_34))) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK8]),skolemize(U_36,sK8)],[f_6_5]) ).

fof(f_6_7,negated_conjecture,
    ( ? [U_39,U_37,U_35] :
        ( ~ in(U_39,set_difference(U_37,singleton(U_35)))
        & U_39 != U_35
        & in(U_39,U_37) )
    | ( ( sK7 = sK9
        | ~ in(sK7,sK8) )
      & in(sK7,set_difference(sK8,singleton(sK9))) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK9]),skolemize(U_34,sK9)],[f_6_6]) ).

fof(f_6_8,negated_conjecture,
    ( ? [U_37,U_35] :
        ( ~ in(sK10,set_difference(U_37,singleton(U_35)))
        & sK10 != U_35
        & in(sK10,U_37) )
    | ( ( sK7 = sK9
        | ~ in(sK7,sK8) )
      & in(sK7,set_difference(sK8,singleton(sK9))) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK10]),skolemize(U_39,sK10)],[f_6_7]) ).

fof(f_6_9,negated_conjecture,
    ( ? [U_35] :
        ( ~ in(sK10,set_difference(sK11,singleton(U_35)))
        & sK10 != U_35
        & in(sK10,sK11) )
    | ( ( sK7 = sK9
        | ~ in(sK7,sK8) )
      & in(sK7,set_difference(sK8,singleton(sK9))) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK11]),skolemize(U_37,sK11)],[f_6_8]) ).

fof(f_6_10,negated_conjecture,
    ( ( ~ in(sK10,set_difference(sK11,singleton(sK12)))
      & sK10 != sK12
      & in(sK10,sK11) )
    | ( ( sK7 = sK9
        | ~ in(sK7,sK8) )
      & in(sK7,set_difference(sK8,singleton(sK9))) ) ),
    inference(skolemize,[status(esa),new_symbols(skolem,[sK12]),skolemize(U_35,sK12)],[f_6_9]) ).

fof(f_6_11,negated_conjecture,
    ( ( ~ in(sK10,set_difference(sK11,singleton(sK12)))
      | ~ sP1 )
    & ( sK10 != sK12
      | ~ sP1 )
    & ( in(sK10,sK11)
      | ~ sP1 )
    & ( sK7 = sK9
      | ~ in(sK7,sK8)
      | ~ sP0 )
    & ( in(sK7,set_difference(sK8,singleton(sK9)))
      | ~ sP0 )
    & ( sP1
      | sP0 ) ),
    inference(definitional_conversion,[status(esa),new_symbols(definitional,[sP0,sP1])],[f_6_10]) ).

cnf(f_6_12,negated_conjecture,
    ( sP1
    | sP0 ),
    inference(clausify,[status(thm)],[f_6_11]) ).

cnf(f_6_13,negated_conjecture,
    ( in(sK7,set_difference(sK8,singleton(sK9)))
    | ~ sP0 ),
    inference(clausify,[status(thm)],[f_6_11]) ).

cnf(f_6_14,negated_conjecture,
    ( sK7 = sK9
    | ~ in(sK7,sK8)
    | ~ sP0 ),
    inference(clausify,[status(thm)],[f_6_11]) ).

cnf(f_6_15,negated_conjecture,
    ( in(sK10,sK11)
    | ~ sP1 ),
    inference(clausify,[status(thm)],[f_6_11]) ).

cnf(f_6_16,negated_conjecture,
    ( sK10 != sK12
    | ~ sP1 ),
    inference(clausify,[status(thm)],[f_6_11]) ).

cnf(f_6_17,negated_conjecture,
    ( ~ in(sK10,set_difference(sK11,singleton(sK12)))
    | ~ sP1 ),
    inference(clausify,[status(thm)],[f_6_11]) ).

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

cnf(equality_5,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_6,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_7,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_8,axiom,
    ( sK3(Eq_x_0,Eq_x_1,Eq_x_2) = sK3(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_9,axiom,
    ( sK4(Eq_x_0,Eq_x_1,Eq_x_2) = sK4(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_10,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_11,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  : SET921+1 : TPTP v9.3.1. Released v3.2.0.
% 0.00/0.04  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
% 0.09/0.35  % Computer : n018.cluster.edu
% 0.09/0.35  % Model    : x86_64 x86_64
% 0.09/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.35  % Memory   : 8046.5625MB
% 0.09/0.35  % OS       : Linux 6.8.0-71-generic
% 0.09/0.35  % CPULimit : 300
% 0.09/0.35  % WCLimit  : 300
% 0.09/0.35  % DateTime : Sat Sep 19 23:09:27 UTC 2026
% 0.13/0.36  % CPUTime  : 
% 1.16/1.41  % SZS status Theorem for theBenchmark
% 1.16/1.41  % SZS output start Proof for theBenchmark
% See solution above
%------------------------------------------------------------------------------