TSTP Solution File: LCL176-3 by Metis---2.4

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Metis---2.4
% Problem  : LCL176-3 : TPTP v8.1.0. Released v2.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : metis --show proof --show saturation %s

% Computer : n027.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 : Sun Jul 17 12:50:14 EDT 2022

% Result   : Unsatisfiable 0.19s 0.47s
% Output   : CNFRefutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   29
%            Number of leaves      :   12
% Syntax   : Number of clauses     :   80 (  46 unt;   0 nHn;  35 RR)
%            Number of literals    :  123 (  17 equ;  44 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    5 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    4 (   4 usr;   1 con; 0-2 aty)
%            Number of variables   :  154 (  28 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(axiom_1_2,axiom,
    axiom(implies(or(A,A),A)) ).

cnf(axiom_1_3,axiom,
    axiom(implies(A,or(B,A))) ).

cnf(axiom_1_4,axiom,
    axiom(implies(or(A,B),or(B,A))) ).

cnf(axiom_1_5,axiom,
    axiom(implies(or(A,or(B,C)),or(B,or(A,C)))) ).

cnf(implies_definition,axiom,
    implies(X,Y) = or(not(X),Y) ).

cnf(rule_1,axiom,
    ( theorem(X)
    | ~ axiom(X) ) ).

cnf(rule_2,axiom,
    ( theorem(X)
    | ~ theorem(implies(Y,X))
    | ~ theorem(Y) ) ).

cnf(prove_this,negated_conjecture,
    ~ theorem(implies(p,p)) ).

cnf(refute_0_0,plain,
    ( ~ axiom(implies(or(X_7,X_8),or(X_8,X_7)))
    | theorem(implies(or(X_7,X_8),or(X_8,X_7))) ),
    inference(subst,[],[rule_1:[bind(X,$fot(implies(or(X_7,X_8),or(X_8,X_7))))]]) ).

cnf(refute_0_1,plain,
    axiom(implies(or(X_7,X_8),or(X_8,X_7))),
    inference(subst,[],[axiom_1_4:[bind(A,$fot(X_7)),bind(B,$fot(X_8))]]) ).

cnf(refute_0_2,plain,
    theorem(implies(or(X_7,X_8),or(X_8,X_7))),
    inference(resolve,[$cnf( axiom(implies(or(X_7,X_8),or(X_8,X_7))) )],[refute_0_1,refute_0_0]) ).

cnf(refute_0_3,plain,
    ( ~ theorem(implies(or(X_7,X_8),or(X_8,X_7)))
    | ~ theorem(or(X_7,X_8))
    | theorem(or(X_8,X_7)) ),
    inference(subst,[],[rule_2:[bind(X,$fot(or(X_8,X_7))),bind(Y,$fot(or(X_7,X_8)))]]) ).

cnf(refute_0_4,plain,
    ( ~ theorem(or(X_7,X_8))
    | theorem(or(X_8,X_7)) ),
    inference(resolve,[$cnf( theorem(implies(or(X_7,X_8),or(X_8,X_7))) )],[refute_0_2,refute_0_3]) ).

cnf(refute_0_5,plain,
    ( ~ theorem(or(X_417,not(X_417)))
    | theorem(or(not(X_417),X_417)) ),
    inference(subst,[],[refute_0_4:[bind(X_7,$fot(X_417)),bind(X_8,$fot(not(X_417)))]]) ).

cnf(refute_0_6,plain,
    ( ~ axiom(implies(or(A,A),A))
    | theorem(implies(or(A,A),A)) ),
    inference(subst,[],[rule_1:[bind(X,$fot(implies(or(A,A),A)))]]) ).

cnf(refute_0_7,plain,
    theorem(implies(or(A,A),A)),
    inference(resolve,[$cnf( axiom(implies(or(A,A),A)) )],[axiom_1_2,refute_0_6]) ).

cnf(refute_0_8,plain,
    theorem(implies(or(X_49,X_49),X_49)),
    inference(subst,[],[refute_0_7:[bind(A,$fot(X_49))]]) ).

cnf(refute_0_9,plain,
    ( ~ theorem(implies(or(X_49,X_49),X_49))
    | ~ theorem(or(X_49,X_49))
    | theorem(X_49) ),
    inference(subst,[],[rule_2:[bind(X,$fot(X_49)),bind(Y,$fot(or(X_49,X_49)))]]) ).

cnf(refute_0_10,plain,
    ( ~ theorem(or(X_49,X_49))
    | theorem(X_49) ),
    inference(resolve,[$cnf( theorem(implies(or(X_49,X_49),X_49)) )],[refute_0_8,refute_0_9]) ).

cnf(refute_0_11,plain,
    ( ~ theorem(or(or(X_415,not(X_415)),or(X_415,not(X_415))))
    | theorem(or(X_415,not(X_415))) ),
    inference(subst,[],[refute_0_10:[bind(X_49,$fot(or(X_415,not(X_415))))]]) ).

cnf(refute_0_12,plain,
    ( ~ theorem(implies(or(X_53,or(X_54,X_55)),or(X_54,or(X_53,X_55))))
    | ~ theorem(or(X_53,or(X_54,X_55)))
    | theorem(or(X_54,or(X_53,X_55))) ),
    inference(subst,[],[rule_2:[bind(X,$fot(or(X_54,or(X_53,X_55)))),bind(Y,$fot(or(X_53,or(X_54,X_55))))]]) ).

cnf(refute_0_13,plain,
    ( ~ axiom(implies(or(X_29,or(X_30,X_31)),or(X_30,or(X_29,X_31))))
    | theorem(implies(or(X_29,or(X_30,X_31)),or(X_30,or(X_29,X_31)))) ),
    inference(subst,[],[rule_1:[bind(X,$fot(implies(or(X_29,or(X_30,X_31)),or(X_30,or(X_29,X_31)))))]]) ).

cnf(refute_0_14,plain,
    axiom(implies(or(X_29,or(X_30,X_31)),or(X_30,or(X_29,X_31)))),
    inference(subst,[],[axiom_1_5:[bind(A,$fot(X_29)),bind(B,$fot(X_30)),bind(C,$fot(X_31))]]) ).

cnf(refute_0_15,plain,
    theorem(implies(or(X_29,or(X_30,X_31)),or(X_30,or(X_29,X_31)))),
    inference(resolve,[$cnf( axiom(implies(or(X_29,or(X_30,X_31)),or(X_30,or(X_29,X_31)))) )],[refute_0_14,refute_0_13]) ).

cnf(refute_0_16,plain,
    theorem(implies(or(X_53,or(X_54,X_55)),or(X_54,or(X_53,X_55)))),
    inference(subst,[],[refute_0_15:[bind(X_29,$fot(X_53)),bind(X_30,$fot(X_54)),bind(X_31,$fot(X_55))]]) ).

cnf(refute_0_17,plain,
    ( ~ theorem(or(X_53,or(X_54,X_55)))
    | theorem(or(X_54,or(X_53,X_55))) ),
    inference(resolve,[$cnf( theorem(implies(or(X_53,or(X_54,X_55)),or(X_54,or(X_53,X_55)))) )],[refute_0_16,refute_0_12]) ).

cnf(refute_0_18,plain,
    ( ~ theorem(or(X_411,or(X_412,not(X_411))))
    | theorem(or(X_412,or(X_411,not(X_411)))) ),
    inference(subst,[],[refute_0_17:[bind(X_53,$fot(X_411)),bind(X_54,$fot(X_412)),bind(X_55,$fot(not(X_411)))]]) ).

cnf(refute_0_19,plain,
    ( ~ theorem(or(or(X_410,not(X_409)),X_409))
    | theorem(or(X_409,or(X_410,not(X_409)))) ),
    inference(subst,[],[refute_0_4:[bind(X_7,$fot(or(X_410,not(X_409)))),bind(X_8,$fot(X_409))]]) ).

cnf(refute_0_20,plain,
    ( ~ theorem(or(or(or(X_408,not(X_406)),X_406),or(or(X_408,not(X_406)),X_406)))
    | theorem(or(or(X_408,not(X_406)),X_406)) ),
    inference(subst,[],[refute_0_10:[bind(X_49,$fot(or(or(X_408,not(X_406)),X_406)))]]) ).

cnf(refute_0_21,plain,
    ( ~ theorem(or(or(X_371,not(X_369)),or(X_370,X_369)))
    | theorem(or(X_370,or(or(X_371,not(X_369)),X_369))) ),
    inference(subst,[],[refute_0_17:[bind(X_53,$fot(or(X_371,not(X_369)))),bind(X_54,$fot(X_370)),bind(X_55,$fot(X_369))]]) ).

cnf(refute_0_22,plain,
    ( ~ theorem(or(or(X_355,X_354),or(X_356,not(X_354))))
    | theorem(or(or(X_356,not(X_354)),or(X_355,X_354))) ),
    inference(subst,[],[refute_0_4:[bind(X_7,$fot(or(X_355,X_354))),bind(X_8,$fot(or(X_356,not(X_354))))]]) ).

cnf(refute_0_23,plain,
    ( ~ axiom(implies(X_3,or(X_4,X_3)))
    | theorem(implies(X_3,or(X_4,X_3))) ),
    inference(subst,[],[rule_1:[bind(X,$fot(implies(X_3,or(X_4,X_3))))]]) ).

cnf(refute_0_24,plain,
    axiom(implies(X_3,or(X_4,X_3))),
    inference(subst,[],[axiom_1_3:[bind(A,$fot(X_3)),bind(B,$fot(X_4))]]) ).

cnf(refute_0_25,plain,
    theorem(implies(X_3,or(X_4,X_3))),
    inference(resolve,[$cnf( axiom(implies(X_3,or(X_4,X_3))) )],[refute_0_24,refute_0_23]) ).

cnf(refute_0_26,plain,
    theorem(implies(X_50,or(X_4,X_50))),
    inference(subst,[],[refute_0_25:[bind(X_3,$fot(X_50))]]) ).

cnf(refute_0_27,plain,
    ( ~ theorem(X_50)
    | ~ theorem(implies(X_50,or(X_4,X_50)))
    | theorem(or(X_4,X_50)) ),
    inference(subst,[],[rule_2:[bind(X,$fot(or(X_4,X_50))),bind(Y,$fot(X_50))]]) ).

cnf(refute_0_28,plain,
    ( ~ theorem(X_50)
    | theorem(or(X_4,X_50)) ),
    inference(resolve,[$cnf( theorem(implies(X_50,or(X_4,X_50))) )],[refute_0_26,refute_0_27]) ).

cnf(refute_0_29,plain,
    ( ~ theorem(or(or(X_108,X_107),not(X_107)))
    | theorem(or(X_4,or(or(X_108,X_107),not(X_107)))) ),
    inference(subst,[],[refute_0_28:[bind(X_50,$fot(or(or(X_108,X_107),not(X_107))))]]) ).

cnf(refute_0_30,plain,
    theorem(implies(X_101,or(X_4,X_101))),
    inference(subst,[],[refute_0_25:[bind(X_3,$fot(X_101))]]) ).

cnf(refute_0_31,plain,
    theorem(implies(or(not(X),X_12),or(X_12,not(X)))),
    inference(subst,[],[refute_0_2:[bind(X_7,$fot(not(X))),bind(X_8,$fot(X_12))]]) ).

cnf(refute_0_32,plain,
    implies(X,X_12) = or(not(X),X_12),
    inference(subst,[],[implies_definition:[bind(Y,$fot(X_12))]]) ).

cnf(refute_0_33,plain,
    X0 = X0,
    introduced(tautology,[refl,[$fot(X0)]]) ).

cnf(refute_0_34,plain,
    ( X0 != X0
    | X0 != Y0
    | Y0 = X0 ),
    introduced(tautology,[equality,[$cnf( $equal(X0,X0) ),[0],$fot(Y0)]]) ).

cnf(refute_0_35,plain,
    ( X0 != Y0
    | Y0 = X0 ),
    inference(resolve,[$cnf( $equal(X0,X0) )],[refute_0_33,refute_0_34]) ).

cnf(refute_0_36,plain,
    ( implies(X,X_12) != or(not(X),X_12)
    | or(not(X),X_12) = implies(X,X_12) ),
    inference(subst,[],[refute_0_35:[bind(X0,$fot(implies(X,X_12))),bind(Y0,$fot(or(not(X),X_12)))]]) ).

cnf(refute_0_37,plain,
    or(not(X),X_12) = implies(X,X_12),
    inference(resolve,[$cnf( $equal(implies(X,X_12),or(not(X),X_12)) )],[refute_0_32,refute_0_36]) ).

cnf(refute_0_38,plain,
    ( or(not(X),X_12) != implies(X,X_12)
    | ~ theorem(implies(or(not(X),X_12),or(X_12,not(X))))
    | theorem(implies(implies(X,X_12),or(X_12,not(X)))) ),
    introduced(tautology,[equality,[$cnf( theorem(implies(or(not(X),X_12),or(X_12,not(X)))) ),[0,0],$fot(implies(X,X_12))]]) ).

cnf(refute_0_39,plain,
    ( ~ theorem(implies(or(not(X),X_12),or(X_12,not(X))))
    | theorem(implies(implies(X,X_12),or(X_12,not(X)))) ),
    inference(resolve,[$cnf( $equal(or(not(X),X_12),implies(X,X_12)) )],[refute_0_37,refute_0_38]) ).

cnf(refute_0_40,plain,
    theorem(implies(implies(X,X_12),or(X_12,not(X)))),
    inference(resolve,[$cnf( theorem(implies(or(not(X),X_12),or(X_12,not(X)))) )],[refute_0_31,refute_0_39]) ).

cnf(refute_0_41,plain,
    ( ~ theorem(implies(X,X_12))
    | ~ theorem(implies(implies(X,X_12),or(X_12,not(X))))
    | theorem(or(X_12,not(X))) ),
    inference(subst,[],[rule_2:[bind(X,$fot(or(X_12,not(X)))),bind(Y,$fot(implies(X,X_12)))]]) ).

cnf(refute_0_42,plain,
    ( ~ theorem(implies(X,X_12))
    | theorem(or(X_12,not(X))) ),
    inference(resolve,[$cnf( theorem(implies(implies(X,X_12),or(X_12,not(X)))) )],[refute_0_40,refute_0_41]) ).

cnf(refute_0_43,plain,
    ( ~ theorem(implies(X_101,or(X_4,X_101)))
    | theorem(or(or(X_4,X_101),not(X_101))) ),
    inference(subst,[],[refute_0_42:[bind(X,$fot(X_101)),bind(X_12,$fot(or(X_4,X_101)))]]) ).

cnf(refute_0_44,plain,
    theorem(or(or(X_4,X_101),not(X_101))),
    inference(resolve,[$cnf( theorem(implies(X_101,or(X_4,X_101))) )],[refute_0_30,refute_0_43]) ).

cnf(refute_0_45,plain,
    theorem(or(or(X_108,X_107),not(X_107))),
    inference(subst,[],[refute_0_44:[bind(X_101,$fot(X_107)),bind(X_4,$fot(X_108))]]) ).

cnf(refute_0_46,plain,
    theorem(or(X_4,or(or(X_108,X_107),not(X_107)))),
    inference(resolve,[$cnf( theorem(or(or(X_108,X_107),not(X_107))) )],[refute_0_45,refute_0_29]) ).

cnf(refute_0_47,plain,
    theorem(or(X_342,or(or(X_108,X_107),not(X_107)))),
    inference(subst,[],[refute_0_46:[bind(X_4,$fot(X_342))]]) ).

cnf(refute_0_48,plain,
    ( ~ theorem(or(X_342,or(or(X_108,X_107),not(X_107))))
    | theorem(or(or(X_108,X_107),or(X_342,not(X_107)))) ),
    inference(subst,[],[refute_0_17:[bind(X_53,$fot(X_342)),bind(X_54,$fot(or(X_108,X_107))),bind(X_55,$fot(not(X_107)))]]) ).

cnf(refute_0_49,plain,
    theorem(or(or(X_108,X_107),or(X_342,not(X_107)))),
    inference(resolve,[$cnf( theorem(or(X_342,or(or(X_108,X_107),not(X_107)))) )],[refute_0_47,refute_0_48]) ).

cnf(refute_0_50,plain,
    theorem(or(or(X_355,X_354),or(X_356,not(X_354)))),
    inference(subst,[],[refute_0_49:[bind(X_107,$fot(X_354)),bind(X_108,$fot(X_355)),bind(X_342,$fot(X_356))]]) ).

cnf(refute_0_51,plain,
    theorem(or(or(X_356,not(X_354)),or(X_355,X_354))),
    inference(resolve,[$cnf( theorem(or(or(X_355,X_354),or(X_356,not(X_354)))) )],[refute_0_50,refute_0_22]) ).

cnf(refute_0_52,plain,
    theorem(or(or(X_371,not(X_369)),or(X_370,X_369))),
    inference(subst,[],[refute_0_51:[bind(X_354,$fot(X_369)),bind(X_355,$fot(X_370)),bind(X_356,$fot(X_371))]]) ).

cnf(refute_0_53,plain,
    theorem(or(X_370,or(or(X_371,not(X_369)),X_369))),
    inference(resolve,[$cnf( theorem(or(or(X_371,not(X_369)),or(X_370,X_369))) )],[refute_0_52,refute_0_21]) ).

cnf(refute_0_54,plain,
    theorem(or(or(or(X_408,not(X_406)),X_406),or(or(X_408,not(X_406)),X_406))),
    inference(subst,[],[refute_0_53:[bind(X_369,$fot(X_406)),bind(X_370,$fot(or(or(X_408,not(X_406)),X_406))),bind(X_371,$fot(X_408))]]) ).

cnf(refute_0_55,plain,
    theorem(or(or(X_408,not(X_406)),X_406)),
    inference(resolve,[$cnf( theorem(or(or(or(X_408,not(X_406)),X_406),or(or(X_408,not(X_406)),X_406))) )],[refute_0_54,refute_0_20]) ).

cnf(refute_0_56,plain,
    theorem(or(or(X_410,not(X_409)),X_409)),
    inference(subst,[],[refute_0_55:[bind(X_406,$fot(X_409)),bind(X_408,$fot(X_410))]]) ).

cnf(refute_0_57,plain,
    theorem(or(X_409,or(X_410,not(X_409)))),
    inference(resolve,[$cnf( theorem(or(or(X_410,not(X_409)),X_409)) )],[refute_0_56,refute_0_19]) ).

cnf(refute_0_58,plain,
    theorem(or(X_411,or(X_412,not(X_411)))),
    inference(subst,[],[refute_0_57:[bind(X_409,$fot(X_411)),bind(X_410,$fot(X_412))]]) ).

cnf(refute_0_59,plain,
    theorem(or(X_412,or(X_411,not(X_411)))),
    inference(resolve,[$cnf( theorem(or(X_411,or(X_412,not(X_411)))) )],[refute_0_58,refute_0_18]) ).

cnf(refute_0_60,plain,
    theorem(or(or(X_415,not(X_415)),or(X_415,not(X_415)))),
    inference(subst,[],[refute_0_59:[bind(X_411,$fot(X_415)),bind(X_412,$fot(or(X_415,not(X_415))))]]) ).

cnf(refute_0_61,plain,
    theorem(or(X_415,not(X_415))),
    inference(resolve,[$cnf( theorem(or(or(X_415,not(X_415)),or(X_415,not(X_415)))) )],[refute_0_60,refute_0_11]) ).

cnf(refute_0_62,plain,
    theorem(or(X_417,not(X_417))),
    inference(subst,[],[refute_0_61:[bind(X_415,$fot(X_417))]]) ).

cnf(refute_0_63,plain,
    theorem(or(not(X_417),X_417)),
    inference(resolve,[$cnf( theorem(or(X_417,not(X_417))) )],[refute_0_62,refute_0_5]) ).

cnf(refute_0_64,plain,
    ( implies(X,Y) != or(not(X),Y)
    | or(not(X),Y) = implies(X,Y) ),
    inference(subst,[],[refute_0_35:[bind(X0,$fot(implies(X,Y))),bind(Y0,$fot(or(not(X),Y)))]]) ).

cnf(refute_0_65,plain,
    or(not(X),Y) = implies(X,Y),
    inference(resolve,[$cnf( $equal(implies(X,Y),or(not(X),Y)) )],[implies_definition,refute_0_64]) ).

cnf(refute_0_66,plain,
    or(not(X_417),X_417) = implies(X_417,X_417),
    inference(subst,[],[refute_0_65:[bind(X,$fot(X_417)),bind(Y,$fot(X_417))]]) ).

cnf(refute_0_67,plain,
    ( or(not(X_417),X_417) != implies(X_417,X_417)
    | ~ theorem(or(not(X_417),X_417))
    | theorem(implies(X_417,X_417)) ),
    introduced(tautology,[equality,[$cnf( theorem(or(not(X_417),X_417)) ),[0],$fot(implies(X_417,X_417))]]) ).

cnf(refute_0_68,plain,
    ( ~ theorem(or(not(X_417),X_417))
    | theorem(implies(X_417,X_417)) ),
    inference(resolve,[$cnf( $equal(or(not(X_417),X_417),implies(X_417,X_417)) )],[refute_0_66,refute_0_67]) ).

cnf(refute_0_69,plain,
    theorem(implies(X_417,X_417)),
    inference(resolve,[$cnf( theorem(or(not(X_417),X_417)) )],[refute_0_63,refute_0_68]) ).

cnf(refute_0_70,plain,
    theorem(implies(p,p)),
    inference(subst,[],[refute_0_69:[bind(X_417,$fot(p))]]) ).

cnf(refute_0_71,plain,
    $false,
    inference(resolve,[$cnf( theorem(implies(p,p)) )],[refute_0_70,prove_this]) ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL176-3 : TPTP v8.1.0. Released v2.3.0.
% 0.07/0.13  % Command  : metis --show proof --show saturation %s
% 0.12/0.33  % Computer : n027.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
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Mon Jul  4 05:09:55 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.12/0.34  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% 0.19/0.47  % SZS status Unsatisfiable for /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.19/0.47  
% 0.19/0.47  % SZS output start CNFRefutation for /export/starexec/sandbox/benchmark/theBenchmark.p
% See solution above
% 0.19/0.48  
%------------------------------------------------------------------------------