TSTP Solution File: SEU150+1 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : SEU150+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n005.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  : 600s
% DateTime : Tue Jul 19 12:38:47 EDT 2022

% Result   : Theorem 0.18s 0.34s
% Output   : CNFRefutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   21
%            Number of leaves      :   13
% Syntax   : Number of formulae    :   58 (  22 unt;   0 def)
%            Number of atoms       :  101 ( 100 equ)
%            Maximal formula atoms :    3 (   1 avg)
%            Number of connectives :   86 (  43   ~;  37   |;   2   &)
%                                         (   0 <=>;   4  =>;   0  <=;   0 <~>)
%            Maximal formula depth :    6 (   3 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   0 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :   66 (   3 sgn  27   !;   3   ?)

% Comments : 
%------------------------------------------------------------------------------
fof(commutativity_k2_tarski,axiom,
    ! [A,B] : unordered_pair(A,B) = unordered_pair(B,A) ).

fof(t8_zfmisc_1,axiom,
    ! [A,B,C] :
      ( singleton(A) = unordered_pair(B,C)
     => A = B ) ).

fof(t9_zfmisc_1,conjecture,
    ! [A,B,C] :
      ( singleton(A) = unordered_pair(B,C)
     => B = C ) ).

fof(subgoal_0,plain,
    ! [A,B,C] :
      ( singleton(A) = unordered_pair(B,C)
     => B = C ),
    inference(strip,[],[t9_zfmisc_1]) ).

fof(negate_0_0,plain,
    ~ ! [A,B,C] :
        ( singleton(A) = unordered_pair(B,C)
       => B = C ),
    inference(negate,[],[subgoal_0]) ).

fof(normalize_0_0,plain,
    ! [A,B] :
      ( A = B
      | ! [C] : singleton(A) != unordered_pair(B,C) ),
    inference(canonicalize,[],[t8_zfmisc_1]) ).

fof(normalize_0_1,plain,
    ! [A,B] :
      ( A = B
      | ! [C] : singleton(A) != unordered_pair(B,C) ),
    inference(specialize,[],[normalize_0_0]) ).

fof(normalize_0_2,plain,
    ! [A,B,C] :
      ( singleton(A) != unordered_pair(B,C)
      | A = B ),
    inference(clausify,[],[normalize_0_1]) ).

fof(normalize_0_3,plain,
    ! [A,B] : unordered_pair(A,B) = unordered_pair(B,A),
    inference(canonicalize,[],[commutativity_k2_tarski]) ).

fof(normalize_0_4,plain,
    ! [A,B] : unordered_pair(A,B) = unordered_pair(B,A),
    inference(specialize,[],[normalize_0_3]) ).

fof(normalize_0_5,plain,
    ? [A,B,C] :
      ( B != C
      & singleton(A) = unordered_pair(B,C) ),
    inference(canonicalize,[],[negate_0_0]) ).

fof(normalize_0_6,plain,
    ( skolemFOFtoCNF_B != skolemFOFtoCNF_C
    & singleton(skolemFOFtoCNF_A) = unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C) ),
    inference(skolemize,[],[normalize_0_5]) ).

fof(normalize_0_7,plain,
    singleton(skolemFOFtoCNF_A) = unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C),
    inference(conjunct,[],[normalize_0_6]) ).

fof(normalize_0_8,plain,
    skolemFOFtoCNF_B != skolemFOFtoCNF_C,
    inference(conjunct,[],[normalize_0_6]) ).

cnf(refute_0_0,plain,
    ( singleton(A) != unordered_pair(B,C)
    | A = B ),
    inference(canonicalize,[],[normalize_0_2]) ).

cnf(refute_0_1,plain,
    ( singleton(X_2) != unordered_pair(X_3,X_4)
    | X_2 = X_3 ),
    inference(subst,[],[refute_0_0:[bind(A,$fot(X_2)),bind(B,$fot(X_3)),bind(C,$fot(X_4))]]) ).

cnf(refute_0_2,plain,
    unordered_pair(A,B) = unordered_pair(B,A),
    inference(canonicalize,[],[normalize_0_4]) ).

cnf(refute_0_3,plain,
    unordered_pair(X_4,X_3) = unordered_pair(X_3,X_4),
    inference(subst,[],[refute_0_2:[bind(A,$fot(X_4)),bind(B,$fot(X_3))]]) ).

cnf(refute_0_4,plain,
    X = X,
    introduced(tautology,[refl,[$fot(X)]]) ).

cnf(refute_0_5,plain,
    ( X != X
    | X != Y
    | Y = X ),
    introduced(tautology,[equality,[$cnf( $equal(X,X) ),[0],$fot(Y)]]) ).

cnf(refute_0_6,plain,
    ( X != Y
    | Y = X ),
    inference(resolve,[$cnf( $equal(X,X) )],[refute_0_4,refute_0_5]) ).

cnf(refute_0_7,plain,
    ( unordered_pair(X_4,X_3) != unordered_pair(X_3,X_4)
    | unordered_pair(X_3,X_4) = unordered_pair(X_4,X_3) ),
    inference(subst,[],[refute_0_6:[bind(X,$fot(unordered_pair(X_4,X_3))),bind(Y,$fot(unordered_pair(X_3,X_4)))]]) ).

cnf(refute_0_8,plain,
    unordered_pair(X_3,X_4) = unordered_pair(X_4,X_3),
    inference(resolve,[$cnf( $equal(unordered_pair(X_4,X_3),unordered_pair(X_3,X_4)) )],[refute_0_3,refute_0_7]) ).

cnf(refute_0_9,plain,
    ( singleton(X_2) != unordered_pair(X_4,X_3)
    | unordered_pair(X_3,X_4) != unordered_pair(X_4,X_3)
    | singleton(X_2) = unordered_pair(X_3,X_4) ),
    introduced(tautology,[equality,[$cnf( ~ $equal(singleton(X_2),unordered_pair(X_3,X_4)) ),[1],$fot(unordered_pair(X_4,X_3))]]) ).

cnf(refute_0_10,plain,
    ( singleton(X_2) != unordered_pair(X_4,X_3)
    | singleton(X_2) = unordered_pair(X_3,X_4) ),
    inference(resolve,[$cnf( $equal(unordered_pair(X_3,X_4),unordered_pair(X_4,X_3)) )],[refute_0_8,refute_0_9]) ).

cnf(refute_0_11,plain,
    ( singleton(X_2) != unordered_pair(X_4,X_3)
    | X_2 = X_3 ),
    inference(resolve,[$cnf( $equal(singleton(X_2),unordered_pair(X_3,X_4)) )],[refute_0_10,refute_0_1]) ).

cnf(refute_0_12,plain,
    ( singleton(X_6) != unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C)
    | X_6 = skolemFOFtoCNF_C ),
    inference(subst,[],[refute_0_11:[bind(X_2,$fot(X_6)),bind(X_3,$fot(skolemFOFtoCNF_C)),bind(X_4,$fot(skolemFOFtoCNF_A))]]) ).

cnf(refute_0_13,plain,
    singleton(skolemFOFtoCNF_A) = unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C),
    inference(canonicalize,[],[normalize_0_7]) ).

cnf(refute_0_14,plain,
    ( singleton(X_2) != unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C)
    | X_2 = skolemFOFtoCNF_B ),
    inference(subst,[],[refute_0_0:[bind(A,$fot(X_2)),bind(B,$fot(skolemFOFtoCNF_B)),bind(C,$fot(skolemFOFtoCNF_C))]]) ).

cnf(refute_0_15,plain,
    ( singleton(skolemFOFtoCNF_A) != unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C)
    | unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C) = singleton(skolemFOFtoCNF_A) ),
    inference(subst,[],[refute_0_6:[bind(X,$fot(singleton(skolemFOFtoCNF_A))),bind(Y,$fot(unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C)))]]) ).

cnf(refute_0_16,plain,
    unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C) = singleton(skolemFOFtoCNF_A),
    inference(resolve,[$cnf( $equal(singleton(skolemFOFtoCNF_A),unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C)) )],[refute_0_13,refute_0_15]) ).

cnf(refute_0_17,plain,
    ( singleton(X_2) != singleton(skolemFOFtoCNF_A)
    | unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C) != singleton(skolemFOFtoCNF_A)
    | singleton(X_2) = unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C) ),
    introduced(tautology,[equality,[$cnf( ~ $equal(singleton(X_2),unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C)) ),[1],$fot(singleton(skolemFOFtoCNF_A))]]) ).

cnf(refute_0_18,plain,
    ( singleton(X_2) != singleton(skolemFOFtoCNF_A)
    | singleton(X_2) = unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C) ),
    inference(resolve,[$cnf( $equal(unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C),singleton(skolemFOFtoCNF_A)) )],[refute_0_16,refute_0_17]) ).

cnf(refute_0_19,plain,
    ( singleton(X_2) != singleton(skolemFOFtoCNF_A)
    | X_2 = skolemFOFtoCNF_B ),
    inference(resolve,[$cnf( $equal(singleton(X_2),unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C)) )],[refute_0_18,refute_0_14]) ).

cnf(refute_0_20,plain,
    ( singleton(skolemFOFtoCNF_A) != singleton(skolemFOFtoCNF_A)
    | skolemFOFtoCNF_A = skolemFOFtoCNF_B ),
    inference(subst,[],[refute_0_19:[bind(X_2,$fot(skolemFOFtoCNF_A))]]) ).

cnf(refute_0_21,plain,
    singleton(skolemFOFtoCNF_A) = singleton(skolemFOFtoCNF_A),
    introduced(tautology,[refl,[$fot(singleton(skolemFOFtoCNF_A))]]) ).

cnf(refute_0_22,plain,
    skolemFOFtoCNF_A = skolemFOFtoCNF_B,
    inference(resolve,[$cnf( $equal(singleton(skolemFOFtoCNF_A),singleton(skolemFOFtoCNF_A)) )],[refute_0_21,refute_0_20]) ).

cnf(refute_0_23,plain,
    ( skolemFOFtoCNF_A != skolemFOFtoCNF_B
    | skolemFOFtoCNF_B = skolemFOFtoCNF_A ),
    inference(subst,[],[refute_0_6:[bind(X,$fot(skolemFOFtoCNF_A)),bind(Y,$fot(skolemFOFtoCNF_B))]]) ).

cnf(refute_0_24,plain,
    skolemFOFtoCNF_B = skolemFOFtoCNF_A,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_A,skolemFOFtoCNF_B) )],[refute_0_22,refute_0_23]) ).

cnf(refute_0_25,plain,
    unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C) = unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C),
    introduced(tautology,[refl,[$fot(unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C))]]) ).

cnf(refute_0_26,plain,
    ( skolemFOFtoCNF_B != skolemFOFtoCNF_A
    | unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C) != unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C)
    | unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C) = unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C) ),
    introduced(tautology,[equality,[$cnf( $equal(unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C),unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C)) ),[1,0],$fot(skolemFOFtoCNF_A)]]) ).

cnf(refute_0_27,plain,
    ( skolemFOFtoCNF_B != skolemFOFtoCNF_A
    | unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C) = unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C) ),
    inference(resolve,[$cnf( $equal(unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C),unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C)) )],[refute_0_25,refute_0_26]) ).

cnf(refute_0_28,plain,
    unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C) = unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_B,skolemFOFtoCNF_A) )],[refute_0_24,refute_0_27]) ).

cnf(refute_0_29,plain,
    ( singleton(skolemFOFtoCNF_A) != unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C)
    | unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C) != unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C)
    | singleton(skolemFOFtoCNF_A) = unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C) ),
    introduced(tautology,[equality,[$cnf( ~ $equal(singleton(skolemFOFtoCNF_A),unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C)) ),[0],$fot(unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C))]]) ).

cnf(refute_0_30,plain,
    ( singleton(skolemFOFtoCNF_A) != unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C)
    | singleton(skolemFOFtoCNF_A) = unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C) ),
    inference(resolve,[$cnf( $equal(unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C),unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C)) )],[refute_0_28,refute_0_29]) ).

cnf(refute_0_31,plain,
    singleton(skolemFOFtoCNF_A) = unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C),
    inference(resolve,[$cnf( $equal(singleton(skolemFOFtoCNF_A),unordered_pair(skolemFOFtoCNF_B,skolemFOFtoCNF_C)) )],[refute_0_13,refute_0_30]) ).

cnf(refute_0_32,plain,
    ( singleton(skolemFOFtoCNF_A) != unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C)
    | unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C) = singleton(skolemFOFtoCNF_A) ),
    inference(subst,[],[refute_0_6:[bind(X,$fot(singleton(skolemFOFtoCNF_A))),bind(Y,$fot(unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C)))]]) ).

cnf(refute_0_33,plain,
    unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C) = singleton(skolemFOFtoCNF_A),
    inference(resolve,[$cnf( $equal(singleton(skolemFOFtoCNF_A),unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C)) )],[refute_0_31,refute_0_32]) ).

cnf(refute_0_34,plain,
    ( singleton(X_6) != singleton(skolemFOFtoCNF_A)
    | unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C) != singleton(skolemFOFtoCNF_A)
    | singleton(X_6) = unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C) ),
    introduced(tautology,[equality,[$cnf( ~ $equal(singleton(X_6),unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C)) ),[1],$fot(singleton(skolemFOFtoCNF_A))]]) ).

cnf(refute_0_35,plain,
    ( singleton(X_6) != singleton(skolemFOFtoCNF_A)
    | singleton(X_6) = unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C) ),
    inference(resolve,[$cnf( $equal(unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C),singleton(skolemFOFtoCNF_A)) )],[refute_0_33,refute_0_34]) ).

cnf(refute_0_36,plain,
    ( singleton(X_6) != singleton(skolemFOFtoCNF_A)
    | X_6 = skolemFOFtoCNF_C ),
    inference(resolve,[$cnf( $equal(singleton(X_6),unordered_pair(skolemFOFtoCNF_A,skolemFOFtoCNF_C)) )],[refute_0_35,refute_0_12]) ).

cnf(refute_0_37,plain,
    ( singleton(skolemFOFtoCNF_A) != singleton(skolemFOFtoCNF_A)
    | skolemFOFtoCNF_A = skolemFOFtoCNF_C ),
    inference(subst,[],[refute_0_36:[bind(X_6,$fot(skolemFOFtoCNF_A))]]) ).

cnf(refute_0_38,plain,
    skolemFOFtoCNF_A = skolemFOFtoCNF_C,
    inference(resolve,[$cnf( $equal(singleton(skolemFOFtoCNF_A),singleton(skolemFOFtoCNF_A)) )],[refute_0_21,refute_0_37]) ).

cnf(refute_0_39,plain,
    skolemFOFtoCNF_B != skolemFOFtoCNF_C,
    inference(canonicalize,[],[normalize_0_8]) ).

cnf(refute_0_40,plain,
    ( skolemFOFtoCNF_A != skolemFOFtoCNF_C
    | skolemFOFtoCNF_B != skolemFOFtoCNF_A
    | skolemFOFtoCNF_B = skolemFOFtoCNF_C ),
    introduced(tautology,[equality,[$cnf( $equal(skolemFOFtoCNF_B,skolemFOFtoCNF_A) ),[1],$fot(skolemFOFtoCNF_C)]]) ).

cnf(refute_0_41,plain,
    ( skolemFOFtoCNF_A != skolemFOFtoCNF_C
    | skolemFOFtoCNF_B = skolemFOFtoCNF_C ),
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_B,skolemFOFtoCNF_A) )],[refute_0_24,refute_0_40]) ).

cnf(refute_0_42,plain,
    skolemFOFtoCNF_A != skolemFOFtoCNF_C,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_B,skolemFOFtoCNF_C) )],[refute_0_41,refute_0_39]) ).

cnf(refute_0_43,plain,
    $false,
    inference(resolve,[$cnf( $equal(skolemFOFtoCNF_A,skolemFOFtoCNF_C) )],[refute_0_38,refute_0_42]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU150+1 : TPTP v8.1.0. Released v3.3.0.
% 0.12/0.12  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n005.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Sun Jun 19 11:46:08 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.12/0.33  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.18/0.34  % SZS status Theorem for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.18/0.34  
% 0.18/0.34  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.18/0.34  
%------------------------------------------------------------------------------