TSTP Solution File: LCL043-1 by CSE---1.6

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : CSE---1.6
% Problem  : LCL043-1 : TPTP v8.1.2. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %s %d

% Computer : n026.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 06:47:46 EDT 2023

% Result   : Unsatisfiable 0.65s 0.88s
% Output   : CNFRefutation 0.65s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.13  % Problem    : LCL043-1 : TPTP v8.1.2. Released v1.0.0.
% 0.00/0.14  % Command    : java -jar /export/starexec/sandbox/solver/bin/mcs_scs.jar %s %d
% 0.14/0.36  % Computer : n026.cluster.edu
% 0.14/0.36  % Model    : x86_64 x86_64
% 0.14/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.36  % Memory   : 8042.1875MB
% 0.14/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.36  % CPULimit   : 300
% 0.14/0.36  % WCLimit    : 300
% 0.14/0.36  % DateTime   : Fri Aug 25 07:37:17 EDT 2023
% 0.14/0.36  % CPUTime    : 
% 0.21/0.60  start to proof:theBenchmark
% 0.65/0.88  %-------------------------------------------
% 0.65/0.88  % File        :CSE---1.6
% 0.65/0.88  % Problem     :theBenchmark
% 0.65/0.88  % Transform   :cnf
% 0.65/0.88  % Format      :tptp:raw
% 0.65/0.88  % Command     :java -jar mcs_scs.jar %d %s
% 0.65/0.88  
% 0.65/0.88  % Result      :Theorem 0.230000s
% 0.65/0.88  % Output      :CNFRefutation 0.230000s
% 0.65/0.88  %-------------------------------------------
% 0.65/0.88  %--------------------------------------------------------------------------
% 0.65/0.88  % File     : LCL043-1 : TPTP v8.1.2. Released v1.0.0.
% 0.65/0.88  % Domain   : Logic Calculi (Implication/Negation 2 valued sentential)
% 0.65/0.88  % Problem  : CN-39 depends on Hilbert's system
% 0.65/0.88  % Version  : [McC92] axioms.
% 0.65/0.88  % English  : Two axiomatisations of the Implication/Negation 2 valued
% 0.65/0.88  %            sentential calculus are {CN-18,CN-21,CN-35,CN-39,CN-39,
% 0.65/0.88  %            CN-40,CN-46} by Frege and {CN-3,CN-18,CN-21,CN-22,CN-30,
% 0.65/0.88  %            CN-54} by Hilbert. Show that CN-39 depends on the simplified
% 0.65/0.88  %            Hilbert system (without CN-30).
% 0.65/0.88  
% 0.65/0.88  % Refs     : [MW92]  McCune & Wos (1992), Experiments in Automated Deductio
% 0.65/0.88  %          : [McC92] McCune (1992), Email to G. Sutcliffe
% 0.65/0.88  % Source   : [McC92]
% 0.65/0.88  % Names    : CN-4 [MW92]
% 0.65/0.88  
% 0.65/0.88  % Status   : Unsatisfiable
% 0.65/0.88  % Rating   : 0.00 v5.4.0, 0.06 v5.3.0, 0.10 v5.2.0, 0.00 v2.1.0, 0.00 v2.0.0
% 0.65/0.88  % Syntax   : Number of clauses     :    7 (   6 unt;   0 nHn;   2 RR)
% 0.65/0.88  %            Number of literals    :    9 (   0 equ;   3 neg)
% 0.65/0.88  %            Maximal clause size   :    3 (   1 avg)
% 0.65/0.88  %            Maximal term depth    :    5 (   2 avg)
% 0.65/0.88  %            Number of predicates  :    1 (   1 usr;   0 prp; 1-1 aty)
% 0.65/0.88  %            Number of functors    :    3 (   3 usr;   1 con; 0-2 aty)
% 0.65/0.88  %            Number of variables   :   14 (   2 sgn)
% 0.65/0.88  % SPC      : CNF_UNS_RFO_NEQ_HRN
% 0.65/0.88  
% 0.65/0.88  % Comments :
% 0.65/0.88  %--------------------------------------------------------------------------
% 0.65/0.88  cnf(condensed_detachment,axiom,
% 0.65/0.88      ( ~ is_a_theorem(implies(X,Y))
% 0.65/0.88      | ~ is_a_theorem(X)
% 0.65/0.88      | is_a_theorem(Y) ) ).
% 0.65/0.88  
% 0.65/0.88  cnf(cn_3,axiom,
% 0.65/0.88      is_a_theorem(implies(X,implies(not(X),Y))) ).
% 0.65/0.88  
% 0.65/0.88  cnf(cn_18,axiom,
% 0.65/0.88      is_a_theorem(implies(X,implies(Y,X))) ).
% 0.65/0.88  
% 0.65/0.88  cnf(cn_21,axiom,
% 0.65/0.88      is_a_theorem(implies(implies(X,implies(Y,Z)),implies(Y,implies(X,Z)))) ).
% 0.65/0.88  
% 0.65/0.88  cnf(cn_22,axiom,
% 0.65/0.88      is_a_theorem(implies(implies(Y,Z),implies(implies(X,Y),implies(X,Z)))) ).
% 0.65/0.88  
% 0.65/0.88  cnf(cn_54,axiom,
% 0.65/0.88      is_a_theorem(implies(implies(X,Y),implies(implies(not(X),Y),Y))) ).
% 0.65/0.88  
% 0.65/0.88  cnf(prove_cn_39,negated_conjecture,
% 0.65/0.88      ~ is_a_theorem(implies(not(not(a)),a)) ).
% 0.65/0.88  
% 0.65/0.88  %--------------------------------------------------------------------------
% 0.65/0.88  %-------------------------------------------
% 0.65/0.88  % Proof found
% 0.65/0.88  % SZS status Theorem for theBenchmark
% 0.65/0.88  % SZS output start Proof
% 0.65/0.89  %ClaNum:7(EqnAxiom:0)
% 0.65/0.89  %VarNum:27(SingletonVarNum:14)
% 0.65/0.89  %MaxLitNum:3
% 0.65/0.89  %MaxfuncDepth:4
% 0.65/0.89  %SharedTerms:5
% 0.65/0.89  %goalClause: 6
% 0.65/0.89  %singleGoalClaCount:1
% 0.65/0.89  [6]~P1(f1(f3(f3(a2)),a2))
% 0.65/0.89  [1]P1(f1(x11,f1(x12,x11)))
% 0.65/0.89  [2]P1(f1(x21,f1(f3(x21),x22)))
% 0.65/0.89  [3]P1(f1(f1(x31,x32),f1(f1(f3(x31),x32),x32)))
% 0.65/0.89  [4]P1(f1(f1(x41,x42),f1(f1(x43,x41),f1(x43,x42))))
% 0.65/0.89  [5]P1(f1(f1(x51,f1(x52,x53)),f1(x52,f1(x51,x53))))
% 0.65/0.89  [7]P1(x71)+~P1(x72)+~P1(f1(x72,x71))
% 0.65/0.89  %EqnAxiom
% 0.65/0.89  
% 0.65/0.89  %-------------------------------------------
% 0.65/0.89  cnf(186,plain,
% 0.65/0.89     (P1(f1(f1(f3(x1861),f1(x1862,x1861)),f1(x1862,x1861)))),
% 0.65/0.89     inference(scs_inference,[],[1,3,7])).
% 0.65/0.89  cnf(191,plain,
% 0.65/0.89     ($false),
% 0.65/0.89     inference(scs_inference,[],[186,6,2,7]),
% 0.65/0.89     ['proof']).
% 0.65/0.89  % SZS output end Proof
% 0.65/0.89  % Total time :0.230000s
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