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CSE---1.7.THM-CRf.s

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%------------------------------------------------------------------------------
% File     : CSE---1.7
% Problem  : SEU045+1 : TPTP v8.2.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s

% Computer : n021.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8042.1875MB
% OS       : Linux 3.10.0-693.el7.x86_64
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Mon Jun 24 15:00:55 EDT 2024

% Result   : Theorem 4.42s 4.52s
% Output   : CNFRefutation 4.42s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem    : SEU045+1 : TPTP v8.2.0. Released v3.2.0.
% 0.11/0.12  % Command    : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %d %s
% 0.12/0.34  % Computer : n021.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34  % CPULimit   : 300
% 0.12/0.34  % WCLimit    : 300
% 0.12/0.34  % DateTime   : Fri Jun 21 15:09:24 EDT 2024
% 0.12/0.34  % CPUTime    : 
% 0.21/0.57  start to proof:theBenchmark
% 4.42/4.51  %-------------------------------------------
% 4.42/4.51  % File        :CSE---1.7
% 4.42/4.51  % Problem     :theBenchmark
% 4.42/4.51  % Transform   :cnf
% 4.42/4.51  % Format      :tptp:raw
% 4.42/4.51  % Command     :java -jar mcs_scs.jar %d %s
% 4.42/4.51  
% 4.42/4.51  % Result      :Theorem 3.890000s
% 4.42/4.51  % Output      :CNFRefutation 3.890000s
% 4.42/4.51  %-------------------------------------------
% 4.42/4.51  %------------------------------------------------------------------------------
% 4.42/4.51  % File     : SEU045+1 : TPTP v8.2.0. Released v3.2.0.
% 4.42/4.51  % Domain   : Set theory
% 4.42/4.51  % Problem  : Functions and their basic properties, theorem 87
% 4.42/4.51  % Version  : [Urb06] axioms : Especial.
% 4.42/4.51  % English  :
% 4.42/4.51  
% 4.42/4.51  % Refs     : [Byl90] Bylinski (1990), Functions and Their Basic Properties
% 4.42/4.51  %          : [Urb06] Urban (2006), Email to G. Sutcliffe
% 4.42/4.51  % Source   : [Urb06]
% 4.42/4.51  % Names    : funct_1__t87_funct_1 [Urb06]
% 4.42/4.51  
% 4.42/4.51  % Status   : Theorem
% 4.42/4.51  % Rating   : 0.19 v8.2.0, 0.17 v8.1.0, 0.14 v7.5.0, 0.16 v7.4.0, 0.10 v7.3.0, 0.14 v7.1.0, 0.17 v7.0.0, 0.07 v6.4.0, 0.12 v6.3.0, 0.17 v6.2.0, 0.20 v6.1.0, 0.33 v6.0.0, 0.35 v5.5.0, 0.37 v5.4.0, 0.39 v5.3.0, 0.41 v5.2.0, 0.15 v5.1.0, 0.14 v5.0.0, 0.25 v4.1.0, 0.26 v4.0.0, 0.25 v3.7.0, 0.15 v3.5.0, 0.11 v3.4.0, 0.16 v3.3.0, 0.14 v3.2.0
% 4.42/4.51  % Syntax   : Number of formulae    :   34 (   6 unt;   0 def)
% 4.42/4.51  %            Number of atoms       :   88 (   5 equ)
% 4.42/4.51  %            Maximal formula atoms :   10 (   2 avg)
% 4.42/4.51  %            Number of connectives :   66 (  12   ~;   1   |;  32   &)
% 4.42/4.51  %                                         (   3 <=>;  18  =>;   0  <=;   0 <~>)
% 4.42/4.51  %            Maximal formula depth :   11 (   4 avg)
% 4.42/4.51  %            Maximal term depth    :    3 (   1 avg)
% 4.42/4.51  %            Number of predicates  :    9 (   8 usr;   0 prp; 1-2 aty)
% 4.42/4.51  %            Number of functors    :    5 (   5 usr;   1 con; 0-2 aty)
% 4.42/4.51  %            Number of variables   :   53 (  42   !;  11   ?)
% 4.42/4.51  % SPC      : FOF_THM_RFO_SEQ
% 4.42/4.51  
% 4.42/4.51  % Comments : Translated by MPTP 0.2 from the original problem in the Mizar
% 4.42/4.51  %            library, www.mizar.org
% 4.42/4.51  %------------------------------------------------------------------------------
% 4.42/4.51  fof(reflexivity_r1_tarski,axiom,
% 4.42/4.51      ! [A,B] : subset(A,A) ).
% 4.42/4.51  
% 4.42/4.51  fof(fc4_relat_1,axiom,
% 4.42/4.51      ( empty(empty_set)
% 4.42/4.51      & relation(empty_set) ) ).
% 4.42/4.51  
% 4.42/4.51  fof(fc12_relat_1,axiom,
% 4.42/4.51      ( empty(empty_set)
% 4.42/4.51      & relation(empty_set)
% 4.42/4.51      & relation_empty_yielding(empty_set) ) ).
% 4.42/4.51  
% 4.42/4.51  fof(fc1_xboole_0,axiom,
% 4.42/4.51      empty(empty_set) ).
% 4.42/4.51  
% 4.42/4.51  fof(existence_m1_subset_1,axiom,
% 4.42/4.51      ! [A] :
% 4.42/4.51      ? [B] : element(B,A) ).
% 4.42/4.51  
% 4.42/4.51  fof(cc1_funct_1,axiom,
% 4.42/4.51      ! [A] :
% 4.42/4.51        ( empty(A)
% 4.42/4.51       => function(A) ) ).
% 4.42/4.51  
% 4.42/4.51  fof(cc2_funct_1,axiom,
% 4.42/4.51      ! [A] :
% 4.42/4.51        ( ( relation(A)
% 4.42/4.51          & empty(A)
% 4.42/4.51          & function(A) )
% 4.42/4.51       => ( relation(A)
% 4.42/4.52          & function(A)
% 4.42/4.52          & one_to_one(A) ) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(fc1_subset_1,axiom,
% 4.42/4.52      ! [A] : ~ empty(powerset(A)) ).
% 4.42/4.52  
% 4.42/4.52  fof(fc5_relat_1,axiom,
% 4.42/4.52      ! [A] :
% 4.42/4.52        ( ( ~ empty(A)
% 4.42/4.52          & relation(A) )
% 4.42/4.52       => ~ empty(relation_dom(A)) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(fc7_relat_1,axiom,
% 4.42/4.52      ! [A] :
% 4.42/4.52        ( empty(A)
% 4.42/4.52       => ( empty(relation_dom(A))
% 4.42/4.52          & relation(relation_dom(A)) ) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(cc1_relat_1,axiom,
% 4.42/4.52      ! [A] :
% 4.42/4.52        ( empty(A)
% 4.42/4.52       => relation(A) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(t2_subset,axiom,
% 4.42/4.52      ! [A,B] :
% 4.42/4.52        ( element(A,B)
% 4.42/4.52       => ( empty(B)
% 4.42/4.52          | in(A,B) ) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(t3_subset,axiom,
% 4.42/4.52      ! [A,B] :
% 4.42/4.52        ( element(A,powerset(B))
% 4.42/4.52      <=> subset(A,B) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(t4_subset,axiom,
% 4.42/4.52      ! [A,B,C] :
% 4.42/4.52        ( ( in(A,B)
% 4.42/4.52          & element(B,powerset(C)) )
% 4.42/4.52       => element(A,C) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(t5_subset,axiom,
% 4.42/4.52      ! [A,B,C] :
% 4.42/4.52        ~ ( in(A,B)
% 4.42/4.52          & element(B,powerset(C))
% 4.42/4.52          & empty(C) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(t6_boole,axiom,
% 4.42/4.52      ! [A] :
% 4.42/4.52        ( empty(A)
% 4.42/4.52       => A = empty_set ) ).
% 4.42/4.52  
% 4.42/4.52  fof(t8_boole,axiom,
% 4.42/4.52      ! [A,B] :
% 4.42/4.52        ~ ( empty(A)
% 4.42/4.52          & A != B
% 4.42/4.52          & empty(B) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(antisymmetry_r2_hidden,axiom,
% 4.42/4.52      ! [A,B] :
% 4.42/4.52        ( in(A,B)
% 4.42/4.52       => ~ in(B,A) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(dt_k8_relat_1,axiom,
% 4.42/4.52      ! [A,B] :
% 4.42/4.52        ( relation(B)
% 4.42/4.52       => relation(relation_rng_restriction(A,B)) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(fc5_funct_1,axiom,
% 4.42/4.52      ! [A,B] :
% 4.42/4.52        ( ( relation(B)
% 4.42/4.52          & function(B) )
% 4.42/4.52       => ( relation(relation_rng_restriction(A,B))
% 4.42/4.52          & function(relation_rng_restriction(A,B)) ) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(rc1_funct_1,axiom,
% 4.42/4.52      ? [A] :
% 4.42/4.52        ( relation(A)
% 4.42/4.52        & function(A) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(rc2_funct_1,axiom,
% 4.42/4.52      ? [A] :
% 4.42/4.52        ( relation(A)
% 4.42/4.52        & empty(A)
% 4.42/4.52        & function(A) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(rc3_funct_1,axiom,
% 4.42/4.52      ? [A] :
% 4.42/4.52        ( relation(A)
% 4.42/4.52        & function(A)
% 4.42/4.52        & one_to_one(A) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(rc1_subset_1,axiom,
% 4.42/4.52      ! [A] :
% 4.42/4.52        ( ~ empty(A)
% 4.42/4.52       => ? [B] :
% 4.42/4.52            ( element(B,powerset(A))
% 4.42/4.52            & ~ empty(B) ) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(rc2_subset_1,axiom,
% 4.42/4.52      ! [A] :
% 4.42/4.52      ? [B] :
% 4.42/4.52        ( element(B,powerset(A))
% 4.42/4.52        & empty(B) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(rc1_relat_1,axiom,
% 4.42/4.52      ? [A] :
% 4.42/4.52        ( empty(A)
% 4.42/4.52        & relation(A) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(rc2_relat_1,axiom,
% 4.42/4.52      ? [A] :
% 4.42/4.52        ( ~ empty(A)
% 4.42/4.52        & relation(A) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(rc3_relat_1,axiom,
% 4.42/4.52      ? [A] :
% 4.42/4.52        ( relation(A)
% 4.42/4.52        & relation_empty_yielding(A) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(rc1_xboole_0,axiom,
% 4.42/4.52      ? [A] : empty(A) ).
% 4.42/4.52  
% 4.42/4.52  fof(rc2_xboole_0,axiom,
% 4.42/4.52      ? [A] : ~ empty(A) ).
% 4.42/4.52  
% 4.42/4.52  fof(t1_subset,axiom,
% 4.42/4.52      ! [A,B] :
% 4.42/4.52        ( in(A,B)
% 4.42/4.52       => element(A,B) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(t7_boole,axiom,
% 4.42/4.52      ! [A,B] :
% 4.42/4.52        ~ ( in(A,B)
% 4.42/4.52          & empty(B) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(t87_funct_1,conjecture,
% 4.42/4.52      ! [A,B,C] :
% 4.42/4.52        ( ( relation(C)
% 4.42/4.52          & function(C) )
% 4.42/4.52       => ( in(B,relation_dom(relation_rng_restriction(A,C)))
% 4.42/4.52         => apply(relation_rng_restriction(A,C),B) = apply(C,B) ) ) ).
% 4.42/4.52  
% 4.42/4.52  fof(t85_funct_1,axiom,
% 4.42/4.52      ! [A,B] :
% 4.42/4.52        ( ( relation(B)
% 4.42/4.52          & function(B) )
% 4.42/4.52       => ! [C] :
% 4.42/4.52            ( ( relation(C)
% 4.42/4.52              & function(C) )
% 4.42/4.52           => ( B = relation_rng_restriction(A,C)
% 4.42/4.52            <=> ( ! [D] :
% 4.42/4.52                    ( in(D,relation_dom(B))
% 4.42/4.52                  <=> ( in(D,relation_dom(C))
% 4.42/4.52                      & in(apply(C,D),A) ) )
% 4.42/4.52                & ! [D] :
% 4.42/4.52                    ( in(D,relation_dom(B))
% 4.42/4.52                   => apply(B,D) = apply(C,D) ) ) ) ) ) ).
% 4.42/4.52  
% 4.42/4.52  %------------------------------------------------------------------------------
% 4.42/4.52  %-------------------------------------------
% 4.42/4.52  % Proof found
% 4.42/4.52  % SZS status Theorem for theBenchmark
% 4.42/4.52  % SZS output start Proof
% 4.42/4.52  %ClaNum:91(EqnAxiom:29)
% 4.42/4.52  %VarNum:264(SingletonVarNum:72)
% 4.42/4.52  %MaxLitNum:9
% 4.42/4.52  %MaxfuncDepth:2
% 4.42/4.52  %SharedTerms:39
% 4.42/4.52  %goalClause: 44 50 56 60
% 4.42/4.52  %singleGoalClaCount:4
% 4.42/4.52  [32]P1(a1)
% 4.42/4.52  [33]P1(a3)
% 4.42/4.52  [34]P1(a13)
% 4.42/4.52  [35]P1(a4)
% 4.42/4.52  [37]P3(a1)
% 4.42/4.52  [38]P3(a5)
% 4.42/4.52  [39]P3(a3)
% 4.42/4.52  [40]P3(a14)
% 4.42/4.52  [41]P3(a13)
% 4.42/4.52  [42]P3(a17)
% 4.42/4.52  [43]P3(a18)
% 4.42/4.52  [44]P3(a6)
% 4.42/4.52  [45]P7(a1)
% 4.42/4.52  [46]P7(a18)
% 4.42/4.52  [47]P4(a5)
% 4.42/4.52  [48]P4(a3)
% 4.42/4.52  [49]P4(a14)
% 4.42/4.52  [50]P4(a6)
% 4.42/4.52  [51]P5(a14)
% 4.42/4.52  [57]~P1(a17)
% 4.42/4.52  [58]~P1(a9)
% 4.42/4.52  [56]P6(a7,f21(f20(a8,a6)))
% 4.42/4.52  [60]~E(f2(f20(a8,a6),a7),f2(a6,a7))
% 4.42/4.52  [53]P8(x531,x531)
% 4.42/4.52  [52]P1(f15(x521))
% 4.42/4.52  [54]P2(f10(x541),x541)
% 4.42/4.52  [55]P2(f15(x551),f19(x551))
% 4.42/4.52  [59]~P1(f19(x591))
% 4.42/4.52  [61]~P1(x611)+E(x611,a1)
% 4.42/4.52  [62]~P1(x621)+P3(x621)
% 4.42/4.52  [63]~P1(x631)+P4(x631)
% 4.42/4.52  [65]~P1(x651)+P1(f21(x651))
% 4.42/4.52  [66]~P1(x661)+P3(f21(x661))
% 4.42/4.52  [67]P1(x671)+~P1(f16(x671))
% 4.42/4.52  [71]P1(x711)+P2(f16(x711),f19(x711))
% 4.42/4.52  [70]~P1(x701)+~P6(x702,x701)
% 4.42/4.52  [72]~P6(x721,x722)+P2(x721,x722)
% 4.42/4.52  [78]~P6(x782,x781)+~P6(x781,x782)
% 4.42/4.52  [73]~P3(x732)+P3(f20(x731,x732))
% 4.42/4.52  [75]~P8(x751,x752)+P2(x751,f19(x752))
% 4.42/4.52  [79]P8(x791,x792)+~P2(x791,f19(x792))
% 4.42/4.52  [69]~P3(x691)+P1(x691)+~P1(f21(x691))
% 4.42/4.52  [64]~P1(x642)+~P1(x641)+E(x641,x642)
% 4.42/4.52  [74]~P2(x742,x741)+P1(x741)+P6(x742,x741)
% 4.42/4.52  [77]~P3(x772)+~P4(x772)+P4(f20(x771,x772))
% 4.42/4.52  [80]~P1(x801)+~P6(x802,x803)+~P2(x803,f19(x801))
% 4.42/4.52  [81]P2(x811,x812)+~P6(x811,x813)+~P2(x813,f19(x812))
% 4.42/4.52  [68]~P1(x681)+~P3(x681)+~P4(x681)+P5(x681)
% 4.42/4.52  [82]~P3(x823)+~P3(x822)+~P4(x823)+~P4(x822)+~P6(x821,f21(x823))+P6(x821,f21(x822))+~E(x823,f20(x824,x822))
% 4.42/4.52  [83]~P3(x833)+~P3(x831)+~P4(x833)+~P4(x831)+~P6(x832,f21(x831))+E(f2(x831,x832),f2(x833,x832))+~E(x831,f20(x834,x833))
% 4.42/4.52  [84]~P3(x844)+~P3(x841)+~P4(x844)+~P4(x841)+~P6(x842,f21(x844))+P6(f2(x841,x842),x843)+~E(x844,f20(x843,x841))
% 4.42/4.52  [86]~P3(x863)+~P3(x861)+~P4(x863)+~P4(x861)+P6(f11(x862,x861,x863),f21(x863))+P6(f11(x862,x861,x863),f21(x861))+P6(f12(x862,x861,x863),f21(x861))+E(x861,f20(x862,x863))
% 4.42/4.52  [87]~P3(x873)+~P3(x871)+~P4(x873)+~P4(x871)+P6(f11(x872,x871,x873),f21(x871))+P6(f12(x872,x871,x873),f21(x871))+E(x871,f20(x872,x873))+P6(f2(x873,f11(x872,x871,x873)),x872)
% 4.42/4.52  [88]~P3(x883)+~P3(x881)+~P4(x883)+~P4(x881)+P6(f11(x882,x881,x883),f21(x883))+P6(f11(x882,x881,x883),f21(x881))+E(x881,f20(x882,x883))+~E(f2(x881,f12(x882,x881,x883)),f2(x883,f12(x882,x881,x883)))
% 4.42/4.52  [89]~P3(x893)+~P3(x891)+~P4(x893)+~P4(x891)+P6(f11(x892,x891,x893),f21(x891))+E(x891,f20(x892,x893))+P6(f2(x893,f11(x892,x891,x893)),x892)+~E(f2(x891,f12(x892,x891,x893)),f2(x893,f12(x892,x891,x893)))
% 4.42/4.52  [85]~P3(x852)+~P3(x854)+~P4(x852)+~P4(x854)+~P6(x851,f21(x854))+~P6(f2(x854,x851),x853)+P6(x851,f21(x852))+~E(x852,f20(x853,x854))
% 4.42/4.52  [90]~P3(x903)+~P3(x901)+~P4(x903)+~P4(x901)+P6(f12(x902,x901,x903),f21(x901))+~P6(f11(x902,x901,x903),f21(x903))+~P6(f11(x902,x901,x903),f21(x901))+E(x901,f20(x902,x903))+~P6(f2(x903,f11(x902,x901,x903)),x902)
% 4.42/4.52  [91]~P3(x913)+~P3(x911)+~P4(x913)+~P4(x911)+~P6(f11(x912,x911,x913),f21(x913))+~P6(f11(x912,x911,x913),f21(x911))+E(x911,f20(x912,x913))+~E(f2(x911,f12(x912,x911,x913)),f2(x913,f12(x912,x911,x913)))+~P6(f2(x913,f11(x912,x911,x913)),x912)
% 4.42/4.52  %EqnAxiom
% 4.42/4.52  [1]E(x11,x11)
% 4.42/4.52  [2]E(x22,x21)+~E(x21,x22)
% 4.42/4.52  [3]E(x31,x33)+~E(x31,x32)+~E(x32,x33)
% 4.42/4.52  [4]~E(x41,x42)+E(f15(x41),f15(x42))
% 4.42/4.52  [5]~E(x51,x52)+E(f10(x51),f10(x52))
% 4.42/4.52  [6]~E(x61,x62)+E(f2(x61,x63),f2(x62,x63))
% 4.42/4.52  [7]~E(x71,x72)+E(f2(x73,x71),f2(x73,x72))
% 4.42/4.52  [8]~E(x81,x82)+E(f19(x81),f19(x82))
% 4.42/4.52  [9]~E(x91,x92)+E(f20(x91,x93),f20(x92,x93))
% 4.42/4.52  [10]~E(x101,x102)+E(f20(x103,x101),f20(x103,x102))
% 4.42/4.52  [11]~E(x111,x112)+E(f21(x111),f21(x112))
% 4.42/4.52  [12]~E(x121,x122)+E(f11(x121,x123,x124),f11(x122,x123,x124))
% 4.42/4.52  [13]~E(x131,x132)+E(f11(x133,x131,x134),f11(x133,x132,x134))
% 4.42/4.52  [14]~E(x141,x142)+E(f11(x143,x144,x141),f11(x143,x144,x142))
% 4.42/4.53  [15]~E(x151,x152)+E(f12(x151,x153,x154),f12(x152,x153,x154))
% 4.42/4.53  [16]~E(x161,x162)+E(f12(x163,x161,x164),f12(x163,x162,x164))
% 4.42/4.53  [17]~E(x171,x172)+E(f12(x173,x174,x171),f12(x173,x174,x172))
% 4.42/4.53  [18]~E(x181,x182)+E(f16(x181),f16(x182))
% 4.42/4.53  [19]~P1(x191)+P1(x192)+~E(x191,x192)
% 4.42/4.53  [20]P6(x202,x203)+~E(x201,x202)+~P6(x201,x203)
% 4.42/4.53  [21]P6(x213,x212)+~E(x211,x212)+~P6(x213,x211)
% 4.42/4.53  [22]~P4(x221)+P4(x222)+~E(x221,x222)
% 4.42/4.53  [23]~P3(x231)+P3(x232)+~E(x231,x232)
% 4.42/4.53  [24]P2(x242,x243)+~E(x241,x242)+~P2(x241,x243)
% 4.42/4.53  [25]P2(x253,x252)+~E(x251,x252)+~P2(x253,x251)
% 4.42/4.53  [26]~P5(x261)+P5(x262)+~E(x261,x262)
% 4.42/4.53  [27]~P7(x271)+P7(x272)+~E(x271,x272)
% 4.42/4.53  [28]P8(x282,x283)+~E(x281,x282)+~P8(x281,x283)
% 4.42/4.53  [29]P8(x293,x292)+~E(x291,x292)+~P8(x293,x291)
% 4.42/4.53  
% 4.42/4.53  %-------------------------------------------
% 4.42/4.53  cnf(92,plain,
% 4.42/4.53     (~P4(f20(x921,x922))+~P4(x922)+~P3(f20(x921,x922))+~P3(x922)+P6(x923,f21(x922))+~P6(x923,f21(f20(x921,x922)))),
% 4.42/4.53     inference(equality_inference,[],[82])).
% 4.42/4.53  cnf(93,plain,
% 4.42/4.53     (~P4(x931)+~P4(f20(x932,x931))+~P3(x931)+~P3(f20(x932,x931))+E(f2(f20(x932,x931),x933),f2(x931,x933))+~P6(x933,f21(f20(x932,x931)))),
% 4.42/4.53     inference(equality_inference,[],[83])).
% 4.42/4.53  cnf(94,plain,
% 4.42/4.53     (~P4(f20(x941,x942))+~P4(x942)+~P3(f20(x941,x942))+~P3(x942)+P6(f2(x942,x943),x941)+~P6(x943,f21(f20(x941,x942)))),
% 4.42/4.53     inference(equality_inference,[],[84])).
% 4.42/4.53  cnf(201,plain,
% 4.42/4.53     (~P6(x2011,f10(f19(a3)))),
% 4.42/4.53     inference(scs_inference,[],[33,54,70,80])).
% 4.42/4.53  cnf(225,plain,
% 4.42/4.53     (~P4(f20(a8,a6))+~P3(f20(a8,a6))),
% 4.42/4.53     inference(scs_inference,[],[44,60,56,50,201,34,38,47,54,80,21,68,94,92,93])).
% 4.42/4.53  cnf(909,plain,
% 4.42/4.53     (~P4(f20(a8,a6))),
% 4.42/4.53     inference(scs_inference,[],[44,225,73])).
% 4.42/4.53  cnf(910,plain,
% 4.42/4.53     ($false),
% 4.42/4.53     inference(scs_inference,[],[44,50,909,77]),
% 4.42/4.53     ['proof']).
% 4.42/4.53  % SZS output end Proof
% 4.42/4.53  % Total time :3.890000s
%------------------------------------------------------------------------------