TSTP Solution File: LCL008-1 by CSE---1.6

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE---1.6
% Problem  : LCL008-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %s %d

% Computer : n029.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 : Thu Aug 31 06:47:38 EDT 2023

% Result   : Unsatisfiable 266.67s 269.40s
% Output   : CNFRefutation 266.82s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem    : LCL008-1 : TPTP v8.1.2. Released v1.0.0.
% 0.00/0.13  % Command    : java -jar /export/starexec/sandbox2/solver/bin/mcs_scs.jar %s %d
% 0.16/0.35  % Computer : n029.cluster.edu
% 0.16/0.35  % Model    : x86_64 x86_64
% 0.16/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.35  % Memory   : 8042.1875MB
% 0.16/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.35  % CPULimit   : 300
% 0.16/0.35  % WCLimit    : 300
% 0.16/0.35  % DateTime   : Fri Aug 25 05:37:39 EDT 2023
% 0.16/0.35  % CPUTime    : 
% 0.20/0.57  start to proof:theBenchmark
% 266.67/269.36  %-------------------------------------------
% 266.67/269.36  % File        :CSE---1.6
% 266.67/269.36  % Problem     :theBenchmark
% 266.67/269.36  % Transform   :cnf
% 266.67/269.36  % Format      :tptp:raw
% 266.67/269.36  % Command     :java -jar mcs_scs.jar %d %s
% 266.67/269.36  
% 266.67/269.36  % Result      :Theorem 266.010000s
% 266.67/269.36  % Output      :CNFRefutation 266.010000s
% 266.67/269.36  %-------------------------------------------
% 266.67/269.40  %--------------------------------------------------------------------------
% 266.67/269.40  % File     : LCL008-1 : TPTP v8.1.2. Released v1.0.0.
% 266.67/269.40  % Domain   : Logic Calculi (Equivalential)
% 266.67/269.40  % Problem  : EC-4 depends on YQL
% 266.67/269.40  % Version  : [McC92] axioms.
% 266.67/269.40  % English  : An axiomatisation of the equivalential calculus is {EC-4,
% 266.67/269.40  %            EC-5} by Wajsburg. Show that EC-4 can be derived from the
% 266.67/269.40  %            single Lukasiewicz axiom YQL.
% 266.67/269.40  
% 266.67/269.40  % Refs     : [MW92]  McCune & Wos (1992), Experiments in Automated Deductio
% 266.67/269.40  %          : [McC92] McCune (1992), Email to G. Sutcliffe
% 266.67/269.40  % Source   : [McC92]
% 266.67/269.40  % Names    : EC-71 [MW92]
% 266.67/269.40  
% 266.67/269.40  % Status   : Unsatisfiable
% 266.67/269.40  % Rating   : 0.00 v5.4.0, 0.06 v5.3.0, 0.05 v5.2.0, 0.08 v5.1.0, 0.06 v5.0.0, 0.07 v4.0.1, 0.00 v2.1.0, 0.00 v2.0.0
% 266.67/269.40  % Syntax   : Number of clauses     :    3 (   2 unt;   0 nHn;   2 RR)
% 266.67/269.40  %            Number of literals    :    5 (   0 equ;   3 neg)
% 266.67/269.40  %            Maximal clause size   :    3 (   1 avg)
% 266.67/269.40  %            Maximal term depth    :    4 (   2 avg)
% 266.67/269.40  %            Number of predicates  :    1 (   1 usr;   0 prp; 1-1 aty)
% 266.67/269.40  %            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
% 266.67/269.40  %            Number of variables   :    5 (   0 sgn)
% 266.67/269.40  % SPC      : CNF_UNS_RFO_NEQ_HRN
% 266.67/269.40  
% 266.67/269.40  % Comments :
% 266.67/269.40  %--------------------------------------------------------------------------
% 266.67/269.40  cnf(condensed_detachment,axiom,
% 266.67/269.40      ( ~ is_a_theorem(equivalent(X,Y))
% 266.67/269.40      | ~ is_a_theorem(X)
% 266.67/269.40      | is_a_theorem(Y) ) ).
% 266.67/269.40  
% 266.67/269.40  %----Axiom by Lukasiewicz
% 266.67/269.40  cnf(yql,axiom,
% 266.67/269.40      is_a_theorem(equivalent(equivalent(X,Y),equivalent(equivalent(Z,Y),equivalent(X,Z)))) ).
% 266.67/269.40  
% 266.67/269.40  %----Axiom of symmetry
% 266.67/269.40  cnf(prove_ec_4,negated_conjecture,
% 266.67/269.40      ~ is_a_theorem(equivalent(equivalent(a,b),equivalent(b,a))) ).
% 266.67/269.40  
% 266.67/269.40  %--------------------------------------------------------------------------
% 266.67/269.40  %-------------------------------------------
% 266.67/269.40  % Proof found
% 266.67/269.40  % SZS status Theorem for theBenchmark
% 266.67/269.40  % SZS output start Proof
% 266.77/269.44  %ClaNum:3(EqnAxiom:0)
% 266.77/269.44  %VarNum:10(SingletonVarNum:5)
% 266.77/269.44  %MaxLitNum:3
% 266.77/269.44  %MaxfuncDepth:3
% 266.77/269.44  %SharedTerms:6
% 266.77/269.44  %goalClause: 2
% 266.77/269.44  %singleGoalClaCount:1
% 266.77/269.44  [2]~P1(f1(f1(a2,a3),f1(a3,a2)))
% 266.77/269.44  [1]P1(f1(f1(x11,x12),f1(f1(x13,x12),f1(x11,x13))))
% 266.77/269.44  [3]P1(x31)+~P1(x32)+~P1(f1(x32,x31))
% 266.77/269.44  %EqnAxiom
% 266.77/269.44  
% 266.77/269.44  %-------------------------------------------
% 266.82/269.49  cnf(4,plain,
% 266.82/269.49     (~P1(f1(a3,a3))),
% 266.82/269.49     inference(scs_inference,[],[2,1,3])).
% 266.82/269.49  cnf(6,plain,
% 266.82/269.49     (~P1(f1(f1(f1(x61,x62),f1(f1(x63,x62),f1(x61,x63))),f1(a3,a3)))),
% 266.82/269.49     inference(scs_inference,[],[1,4,3])).
% 266.82/269.49  cnf(7,plain,
% 266.82/269.49     (~P1(f1(f1(f1(x71,x72),f1(f1(x73,x72),f1(x71,x73))),f1(f1(f1(x74,x75),f1(f1(x76,x75),f1(x74,x76))),f1(a3,a3))))),
% 266.82/269.49     inference(scs_inference,[],[1,6,3])).
% 266.82/269.49  cnf(9,plain,
% 266.82/269.49     (~P1(f1(f1(f1(x91,x92),f1(f1(x93,x92),f1(x91,x93))),f1(f1(x94,a3),f1(a3,x94))))),
% 266.82/269.49     inference(scs_inference,[],[1,7,3])).
% 266.82/269.49  cnf(14,plain,
% 266.82/269.49     (P1(x141)+~P1(x142)+~P1(f1(x142,x141))),
% 266.82/269.49     inference(rename_variables,[],[3])).
% 266.82/269.49  cnf(15,plain,
% 266.82/269.49     (~P1(f1(f1(x151,a3),f1(f1(x152,x151),f1(a3,x152))))),
% 266.82/269.49     inference(scs_inference,[],[1,9,3,14])).
% 266.82/269.49  cnf(19,plain,
% 266.82/269.49     ($false),
% 266.82/269.49     inference(scs_inference,[],[15,1]),
% 266.82/269.49     ['proof']).
% 266.82/269.49  % SZS output end Proof
% 266.82/269.49  % Total time :266.010000s
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