TSTP Solution File: LCL153-1 by Prover9---1109a

View Problem - Process Solution

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% File     : Prover9---1109a
% Problem  : LCL153-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n028.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 13:44:24 EDT 2022

% Result   : Unsatisfiable 0.71s 1.01s
% Output   : Refutation 0.71s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
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%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : LCL153-1 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.31  % Computer : n028.cluster.edu
% 0.12/0.31  % Model    : x86_64 x86_64
% 0.12/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.31  % Memory   : 8042.1875MB
% 0.12/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.31  % CPULimit : 300
% 0.12/0.31  % WCLimit  : 600
% 0.12/0.31  % DateTime : Sun Jul  3 21:23:19 EDT 2022
% 0.12/0.32  % CPUTime  : 
% 0.71/1.00  ============================== Prover9 ===============================
% 0.71/1.00  Prover9 (32) version 2009-11A, November 2009.
% 0.71/1.00  Process 17259 was started by sandbox on n028.cluster.edu,
% 0.71/1.00  Sun Jul  3 21:23:19 2022
% 0.71/1.00  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_17105_n028.cluster.edu".
% 0.71/1.00  ============================== end of head ===========================
% 0.71/1.00  
% 0.71/1.00  ============================== INPUT =================================
% 0.71/1.00  
% 0.71/1.00  % Reading from file /tmp/Prover9_17105_n028.cluster.edu
% 0.71/1.00  
% 0.71/1.00  set(prolog_style_variables).
% 0.71/1.00  set(auto2).
% 0.71/1.00      % set(auto2) -> set(auto).
% 0.71/1.00      % set(auto) -> set(auto_inference).
% 0.71/1.00      % set(auto) -> set(auto_setup).
% 0.71/1.00      % set(auto_setup) -> set(predicate_elim).
% 0.71/1.00      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.71/1.00      % set(auto) -> set(auto_limits).
% 0.71/1.00      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.71/1.00      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.71/1.00      % set(auto) -> set(auto_denials).
% 0.71/1.00      % set(auto) -> set(auto_process).
% 0.71/1.00      % set(auto2) -> assign(new_constants, 1).
% 0.71/1.00      % set(auto2) -> assign(fold_denial_max, 3).
% 0.71/1.00      % set(auto2) -> assign(max_weight, "200.000").
% 0.71/1.00      % set(auto2) -> assign(max_hours, 1).
% 0.71/1.00      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.71/1.00      % set(auto2) -> assign(max_seconds, 0).
% 0.71/1.00      % set(auto2) -> assign(max_minutes, 5).
% 0.71/1.00      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.71/1.00      % set(auto2) -> set(sort_initial_sos).
% 0.71/1.00      % set(auto2) -> assign(sos_limit, -1).
% 0.71/1.00      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.71/1.00      % set(auto2) -> assign(max_megs, 400).
% 0.71/1.00      % set(auto2) -> assign(stats, some).
% 0.71/1.00      % set(auto2) -> clear(echo_input).
% 0.71/1.00      % set(auto2) -> set(quiet).
% 0.71/1.00      % set(auto2) -> clear(print_initial_clauses).
% 0.71/1.00      % set(auto2) -> clear(print_given).
% 0.71/1.00  assign(lrs_ticks,-1).
% 0.71/1.00  assign(sos_limit,10000).
% 0.71/1.00  assign(order,kbo).
% 0.71/1.00  set(lex_order_vars).
% 0.71/1.00  clear(print_given).
% 0.71/1.00  
% 0.71/1.00  % formulas(sos).  % not echoed (17 formulas)
% 0.71/1.00  
% 0.71/1.00  ============================== end of input ==========================
% 0.71/1.00  
% 0.71/1.00  % From the command line: assign(max_seconds, 300).
% 0.71/1.00  
% 0.71/1.00  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.71/1.00  
% 0.71/1.00  % Formulas that are not ordinary clauses:
% 0.71/1.00  
% 0.71/1.00  ============================== end of process non-clausal formulas ===
% 0.71/1.00  
% 0.71/1.00  ============================== PROCESS INITIAL CLAUSES ===============
% 0.71/1.00  
% 0.71/1.00  ============================== PREDICATE ELIMINATION =================
% 0.71/1.00  
% 0.71/1.00  ============================== end predicate elimination =============
% 0.71/1.00  
% 0.71/1.00  Auto_denials:
% 0.71/1.00    % copying label prove_alternative_wajsberg_axiom to answer in negative clause
% 0.71/1.00  
% 0.71/1.00  Term ordering decisions:
% 0.71/1.00  
% 0.71/1.00  % Assigning unary symbol not kb_weight 0 and highest precedence (10).
% 0.71/1.00  Function symbol KB weights:  truth=1. falsehood=1. x=1. implies=1. or=1. and=1. and_star=1. xor=1. not=0.
% 0.71/1.00  
% 0.71/1.00  ============================== end of process initial clauses ========
% 0.71/1.00  
% 0.71/1.00  ============================== CLAUSES FOR SEARCH ====================
% 0.71/1.00  
% 0.71/1.00  ============================== end of clauses for search =============
% 0.71/1.00  
% 0.71/1.00  ============================== SEARCH ================================
% 0.71/1.00  
% 0.71/1.00  % Starting search at 0.01 seconds.
% 0.71/1.00  
% 0.71/1.00  ============================== PROOF =================================
% 0.71/1.01  % SZS status Unsatisfiable
% 0.71/1.01  % SZS output start Refutation
% 0.71/1.01  
% 0.71/1.01  % Proof 1 at 0.05 (+ 0.00) seconds: prove_alternative_wajsberg_axiom.
% 0.71/1.01  % Length of proof is 32.
% 0.71/1.01  % Level of proof is 9.
% 0.71/1.01  % Maximum clause weight is 22.000.
% 0.71/1.01  % Given clauses 27.
% 0.71/1.01  
% 0.71/1.01  1 not(truth) = falsehood # label(false_definition) # label(axiom).  [assumption].
% 0.71/1.01  2 implies(truth,A) = A # label(wajsberg_1) # label(axiom).  [assumption].
% 0.71/1.01  3 or(A,B) = or(B,A) # label(or_commutativity) # label(axiom).  [assumption].
% 0.71/1.01  4 and(A,B) = and(B,A) # label(and_commutativity) # label(axiom).  [assumption].
% 0.71/1.01  5 xor(A,B) = xor(B,A) # label(xor_commutativity) # label(axiom).  [assumption].
% 0.71/1.01  7 or(A,B) = implies(not(A),B) # label(or_definition) # label(axiom).  [assumption].
% 0.71/1.01  8 and(A,B) = not(or(not(A),not(B))) # label(and_definition) # label(axiom).  [assumption].
% 0.71/1.01  9 and(A,B) = not(implies(not(not(A)),not(B))).  [copy(8),rewrite([7(4)])].
% 0.71/1.01  12 implies(implies(A,B),B) = implies(implies(B,A),A) # label(wajsberg_3) # label(axiom).  [assumption].
% 0.71/1.01  13 implies(implies(not(A),not(B)),implies(B,A)) = truth # label(wajsberg_4) # label(axiom).  [assumption].
% 0.71/1.01  19 implies(implies(A,B),implies(implies(B,C),implies(A,C))) = truth # label(wajsberg_2) # label(axiom).  [assumption].
% 0.71/1.01  20 xor(A,B) = or(and(A,not(B)),and(not(A),B)) # label(xor_definition) # label(axiom).  [assumption].
% 0.71/1.01  21 xor(A,B) = implies(not(not(implies(not(not(A)),not(not(B))))),not(implies(not(not(B)),not(not(A))))).  [copy(20),rewrite([9(3),4(9),9(9),7(14)])].
% 0.71/1.01  22 not(x) != xor(x,truth) # label(prove_alternative_wajsberg_axiom) # label(negated_conjecture) # answer(prove_alternative_wajsberg_axiom).  [assumption].
% 0.71/1.01  23 implies(not(not(implies(not(falsehood),not(not(x))))),not(implies(not(not(x)),not(falsehood)))) != not(x) # answer(prove_alternative_wajsberg_axiom).  [copy(22),rewrite([5(5),21(5),1(4),1(15)]),flip(a)].
% 0.71/1.01  24 implies(not(A),B) = implies(not(B),A).  [back_rewrite(3),rewrite([7(1),7(3)])].
% 0.71/1.01  25 implies(not(not(implies(not(falsehood),not(not(x))))),not(implies(not(not(falsehood)),not(x)))) != not(x) # answer(prove_alternative_wajsberg_axiom).  [back_rewrite(23),rewrite([24(14)])].
% 0.71/1.01  26 implies(implies(A,truth),truth) = implies(A,A).  [para(2(a,1),12(a,1,1)),flip(a)].
% 0.71/1.01  29 implies(implies(not(A),falsehood),A) = truth.  [para(1(a,1),13(a,1,1,2)),rewrite([2(5)])].
% 0.71/1.01  30 implies(implies(implies(A,B),implies(not(B),not(A))),implies(not(B),not(A))) = implies(A,B).  [para(13(a,1),12(a,1,1)),rewrite([2(3)]),flip(a)].
% 0.71/1.01  74 implies(A,implies(implies(A,B),B)) = truth.  [para(2(a,1),19(a,1,1)),rewrite([2(3)])].
% 0.71/1.01  102 implies(not(A),truth) = implies(falsehood,A).  [para(1(a,1),24(a,1,1)),flip(a)].
% 0.71/1.01  132 implies(implies(falsehood,not(falsehood)),not(falsehood)) = truth.  [para(29(a,1),12(a,1)),flip(a)].
% 0.71/1.01  194 implies(A,A) = truth.  [para(74(a,1),2(a,1)),rewrite([2(3)]),flip(a)].
% 0.71/1.01  206 implies(A,truth) = truth.  [para(26(a,1),74(a,1,2)),rewrite([194(1)])].
% 0.71/1.01  207 implies(falsehood,A) = truth.  [para(102(a,2),74(a,1,2,1)),rewrite([206(4),2(3)])].
% 0.71/1.01  224 not(falsehood) = truth.  [back_rewrite(132),rewrite([207(4),2(4)])].
% 0.71/1.01  232 not(not(not(x))) != not(x) # answer(prove_alternative_wajsberg_axiom).  [back_rewrite(25),rewrite([224(2),2(5),224(7),1(7),207(9),1(7),24(7),224(2),2(6)])].
% 0.71/1.01  237 implies(not(A),falsehood) = A.  [para(224(a,1),24(a,1,1)),rewrite([2(2)]),flip(a)].
% 0.71/1.01  259 implies(A,falsehood) = not(A).  [para(237(a,1),12(a,1,1)),rewrite([207(5),2(5)])].
% 0.71/1.01  265 not(not(A)) = A.  [para(237(a,1),30(a,2)),rewrite([259(3),224(4),2(6),194(5),224(3),2(5),2(4)])].
% 0.71/1.01  266 $F # answer(prove_alternative_wajsberg_axiom).  [resolve(265,a,232,a)].
% 0.71/1.01  
% 0.71/1.01  % SZS output end Refutation
% 0.71/1.01  ============================== end of proof ==========================
% 0.71/1.01  
% 0.71/1.01  ============================== STATISTICS ============================
% 0.71/1.01  
% 0.71/1.01  Given=27. Generated=698. Kept=258. proofs=1.
% 0.71/1.01  Usable=21. Sos=121. Demods=95. Limbo=6, Disabled=126. Hints=0.
% 0.71/1.01  Megabytes=0.34.
% 0.71/1.01  User_CPU=0.05, System_CPU=0.00, Wall_clock=0.
% 0.71/1.01  
% 0.71/1.01  ============================== end of statistics =====================
% 0.71/1.01  
% 0.71/1.01  ============================== end of search =========================
% 0.71/1.01  
% 0.71/1.01  THEOREM PROVED
% 0.71/1.01  % SZS status Unsatisfiable
% 0.71/1.01  
% 0.71/1.01  Exiting with 1 proof.
% 0.71/1.01  
% 0.71/1.01  Process 17259 exit (max_proofs) Sun Jul  3 21:23:19 2022
% 0.71/1.01  Prover9 interrupted
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