TSTP Solution File: LCL154-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : LCL154-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n014.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 13:44:25 EDT 2022

% Result   : Unsatisfiable 0.73s 1.04s
% Output   : Refutation 0.73s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LCL154-1 : TPTP v8.1.0. Released v1.0.0.
% 0.03/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.34  % Computer : n014.cluster.edu
% 0.12/0.34  % Model    : x86_64 x86_64
% 0.12/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34  % Memory   : 8042.1875MB
% 0.12/0.34  % 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 : Sun Jul  3 12:14:24 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.73/1.04  ============================== Prover9 ===============================
% 0.73/1.04  Prover9 (32) version 2009-11A, November 2009.
% 0.73/1.04  Process 1997 was started by sandbox on n014.cluster.edu,
% 0.73/1.04  Sun Jul  3 12:14:25 2022
% 0.73/1.04  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_1841_n014.cluster.edu".
% 0.73/1.04  ============================== end of head ===========================
% 0.73/1.04  
% 0.73/1.04  ============================== INPUT =================================
% 0.73/1.04  
% 0.73/1.04  % Reading from file /tmp/Prover9_1841_n014.cluster.edu
% 0.73/1.04  
% 0.73/1.04  set(prolog_style_variables).
% 0.73/1.04  set(auto2).
% 0.73/1.04      % set(auto2) -> set(auto).
% 0.73/1.04      % set(auto) -> set(auto_inference).
% 0.73/1.04      % set(auto) -> set(auto_setup).
% 0.73/1.04      % set(auto_setup) -> set(predicate_elim).
% 0.73/1.04      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.73/1.04      % set(auto) -> set(auto_limits).
% 0.73/1.04      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.73/1.04      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.73/1.04      % set(auto) -> set(auto_denials).
% 0.73/1.04      % set(auto) -> set(auto_process).
% 0.73/1.04      % set(auto2) -> assign(new_constants, 1).
% 0.73/1.04      % set(auto2) -> assign(fold_denial_max, 3).
% 0.73/1.04      % set(auto2) -> assign(max_weight, "200.000").
% 0.73/1.04      % set(auto2) -> assign(max_hours, 1).
% 0.73/1.04      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.73/1.04      % set(auto2) -> assign(max_seconds, 0).
% 0.73/1.04      % set(auto2) -> assign(max_minutes, 5).
% 0.73/1.04      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.73/1.04      % set(auto2) -> set(sort_initial_sos).
% 0.73/1.04      % set(auto2) -> assign(sos_limit, -1).
% 0.73/1.04      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.73/1.04      % set(auto2) -> assign(max_megs, 400).
% 0.73/1.04      % set(auto2) -> assign(stats, some).
% 0.73/1.04      % set(auto2) -> clear(echo_input).
% 0.73/1.04      % set(auto2) -> set(quiet).
% 0.73/1.04      % set(auto2) -> clear(print_initial_clauses).
% 0.73/1.04      % set(auto2) -> clear(print_given).
% 0.73/1.04  assign(lrs_ticks,-1).
% 0.73/1.04  assign(sos_limit,10000).
% 0.73/1.04  assign(order,kbo).
% 0.73/1.04  set(lex_order_vars).
% 0.73/1.04  clear(print_given).
% 0.73/1.04  
% 0.73/1.04  % formulas(sos).  % not echoed (17 formulas)
% 0.73/1.04  
% 0.73/1.04  ============================== end of input ==========================
% 0.73/1.04  
% 0.73/1.04  % From the command line: assign(max_seconds, 300).
% 0.73/1.04  
% 0.73/1.04  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.73/1.04  
% 0.73/1.04  % Formulas that are not ordinary clauses:
% 0.73/1.04  
% 0.73/1.04  ============================== end of process non-clausal formulas ===
% 0.73/1.04  
% 0.73/1.04  ============================== PROCESS INITIAL CLAUSES ===============
% 0.73/1.04  
% 0.73/1.04  ============================== PREDICATE ELIMINATION =================
% 0.73/1.04  
% 0.73/1.04  ============================== end predicate elimination =============
% 0.73/1.04  
% 0.73/1.04  Auto_denials:
% 0.73/1.04    % copying label prove_alternative_wajsberg_axiom to answer in negative clause
% 0.73/1.04  
% 0.73/1.04  Term ordering decisions:
% 0.73/1.04  
% 0.73/1.04  % Assigning unary symbol not kb_weight 0 and highest precedence (10).
% 0.73/1.04  Function symbol KB weights:  truth=1. falsehood=1. x=1. implies=1. or=1. and=1. and_star=1. xor=1. not=0.
% 0.73/1.04  
% 0.73/1.04  ============================== end of process initial clauses ========
% 0.73/1.04  
% 0.73/1.04  ============================== CLAUSES FOR SEARCH ====================
% 0.73/1.04  
% 0.73/1.04  ============================== end of clauses for search =============
% 0.73/1.04  
% 0.73/1.04  ============================== SEARCH ================================
% 0.73/1.04  
% 0.73/1.04  % Starting search at 0.01 seconds.
% 0.73/1.04  
% 0.73/1.04  ============================== PROOF =================================
% 0.73/1.04  % SZS status Unsatisfiable
% 0.73/1.04  % SZS output start Refutation
% 0.73/1.04  
% 0.73/1.04  % Proof 1 at 0.05 (+ 0.00) seconds: prove_alternative_wajsberg_axiom.
% 0.73/1.04  % Length of proof is 39.
% 0.73/1.04  % Level of proof is 11.
% 0.73/1.04  % Maximum clause weight is 22.000.
% 0.73/1.04  % Given clauses 34.
% 0.73/1.04  
% 0.73/1.04  1 not(truth) = falsehood # label(false_definition) # label(axiom).  [assumption].
% 0.73/1.04  2 falsehood = not(truth).  [copy(1),flip(a)].
% 0.73/1.04  3 implies(truth,A) = A # label(wajsberg_1) # label(axiom).  [assumption].
% 0.73/1.04  4 or(A,B) = or(B,A) # label(or_commutativity) # label(axiom).  [assumption].
% 0.73/1.04  5 and(A,B) = and(B,A) # label(and_commutativity) # label(axiom).  [assumption].
% 0.73/1.04  8 or(A,B) = implies(not(A),B) # label(or_definition) # label(axiom).  [assumption].
% 0.73/1.04  9 and(A,B) = not(or(not(A),not(B))) # label(and_definition) # label(axiom).  [assumption].
% 0.73/1.04  10 and(A,B) = not(implies(not(not(A)),not(B))).  [copy(9),rewrite([8(4)])].
% 0.73/1.04  13 implies(implies(A,B),B) = implies(implies(B,A),A) # label(wajsberg_3) # label(axiom).  [assumption].
% 0.73/1.04  14 implies(implies(not(A),not(B)),implies(B,A)) = truth # label(wajsberg_4) # label(axiom).  [assumption].
% 0.73/1.04  15 or(or(A,B),C) = or(A,or(B,C)) # label(or_associativity) # label(axiom).  [assumption].
% 0.73/1.04  16 implies(not(A),implies(not(B),C)) = implies(not(C),implies(not(A),B)).  [copy(15),rewrite([8(1),4(3),8(3),8(5),8(7)]),flip(a)].
% 0.73/1.04  20 implies(implies(A,B),implies(implies(B,C),implies(A,C))) = truth # label(wajsberg_2) # label(axiom).  [assumption].
% 0.73/1.04  21 xor(A,B) = or(and(A,not(B)),and(not(A),B)) # label(xor_definition) # label(axiom).  [assumption].
% 0.73/1.04  22 xor(A,B) = implies(not(not(implies(not(not(A)),not(not(B))))),not(implies(not(not(B)),not(not(A))))).  [copy(21),rewrite([10(3),5(9),10(9),8(14)])].
% 0.73/1.04  23 xor(x,falsehood) != x # label(prove_alternative_wajsberg_axiom) # label(negated_conjecture) # answer(prove_alternative_wajsberg_axiom).  [assumption].
% 0.73/1.04  24 implies(not(not(implies(not(not(x)),not(not(not(truth)))))),not(implies(not(not(not(truth))),not(not(x))))) != x # answer(prove_alternative_wajsberg_axiom).  [copy(23),rewrite([2(2),22(4)])].
% 0.73/1.04  25 implies(not(A),B) = implies(not(B),A).  [back_rewrite(4),rewrite([8(1),8(3)])].
% 0.73/1.04  26 implies(implies(A,truth),truth) = implies(A,A).  [para(3(a,1),13(a,1,1)),flip(a)].
% 0.73/1.04  27 implies(implies(implies(A,B),B),B) = implies(implies(implies(B,A),A),B).  [para(13(a,1),13(a,1,1)),rewrite([13(7)]),flip(a)].
% 0.73/1.04  29 implies(implies(implies(A,B),implies(not(B),not(A))),implies(not(B),not(A))) = implies(A,B).  [para(14(a,1),13(a,1,1)),rewrite([3(3)]),flip(a)].
% 0.73/1.04  67 implies(A,implies(implies(A,B),B)) = truth.  [para(3(a,1),20(a,1,1)),rewrite([3(3)])].
% 0.73/1.04  68 implies(implies(A,truth),implies(B,implies(A,B))) = truth.  [para(3(a,1),20(a,1,2,1))].
% 0.73/1.04  131 implies(A,A) = truth.  [para(67(a,1),3(a,1)),rewrite([3(3)]),flip(a)].
% 0.73/1.04  143 implies(A,truth) = truth.  [para(26(a,1),67(a,1,2)),rewrite([131(1)])].
% 0.73/1.04  151 implies(A,implies(B,A)) = truth.  [back_rewrite(68),rewrite([143(2),3(4)])].
% 0.73/1.04  152 implies(not(not(A)),implies(not(B),A)) = truth.  [para(131(a,1),16(a,1,2)),rewrite([143(3)]),flip(a)].
% 0.73/1.04  155 implies(implies(implies(A,B),B),A) = implies(B,A).  [para(27(a,1),13(a,1)),rewrite([151(5),3(6)])].
% 0.73/1.04  186 implies(A,implies(not(A),B)) = truth.  [para(25(a,1),151(a,1,2))].
% 0.73/1.04  201 implies(not(A),not(truth)) = A.  [para(3(a,1),29(a,1,1,1)),rewrite([186(5),3(6),3(6)])].
% 0.73/1.04  218 implies(implies(not(truth),not(A)),not(A)) = implies(A,not(truth)).  [para(201(a,1),13(a,1,1)),flip(a)].
% 0.73/1.04  242 implies(not(A),not(not(truth))) = truth.  [para(201(a,1),152(a,1,2)),rewrite([25(5)])].
% 0.73/1.04  245 not(not(truth)) = truth.  [para(242(a,1),13(a,1,1)),rewrite([3(5),25(8),201(8),131(6)])].
% 0.73/1.04  249 implies(not(not(not(x))),not(implies(not(truth),not(not(x))))) != x # answer(prove_alternative_wajsberg_axiom).  [back_rewrite(24),rewrite([245(6),25(6),245(3),3(4),245(7)])].
% 0.73/1.04  268 not(not(x)) != x # answer(prove_alternative_wajsberg_axiom).  [para(25(a,1),249(a,1,2,1)),rewrite([143(10),25(7),245(3),3(5)])].
% 0.73/1.04  271 implies(implies(A,not(truth)),not(truth)) = A.  [para(201(a,1),155(a,2)),rewrite([218(6)])].
% 0.73/1.04  275 implies(A,not(truth)) = not(A).  [para(25(a,1),271(a,1,1)),rewrite([245(3),3(2)])].
% 0.73/1.04  277 not(not(A)) = A.  [para(271(a,1),29(a,2)),rewrite([275(3),275(4),245(5),275(6),3(6),131(5),245(4),275(5),3(5),3(4)])].
% 0.73/1.04  278 $F # answer(prove_alternative_wajsberg_axiom).  [resolve(277,a,268,a)].
% 0.73/1.04  
% 0.73/1.04  % SZS output end Refutation
% 0.73/1.04  ============================== end of proof ==========================
% 0.73/1.04  
% 0.73/1.04  ============================== STATISTICS ============================
% 0.73/1.04  
% 0.73/1.04  Given=34. Generated=968. Kept=269. proofs=1.
% 0.73/1.04  Usable=29. Sos=157. Demods=145. Limbo=5, Disabled=94. Hints=0.
% 0.73/1.04  Megabytes=0.37.
% 0.73/1.04  User_CPU=0.05, System_CPU=0.00, Wall_clock=0.
% 0.73/1.04  
% 0.73/1.04  ============================== end of statistics =====================
% 0.73/1.04  
% 0.73/1.04  ============================== end of search =========================
% 0.73/1.04  
% 0.73/1.04  THEOREM PROVED
% 0.73/1.04  % SZS status Unsatisfiable
% 0.73/1.04  
% 0.73/1.04  Exiting with 1 proof.
% 0.73/1.04  
% 0.73/1.04  Process 1997 exit (max_proofs) Sun Jul  3 12:14:25 2022
% 0.73/1.04  Prover9 interrupted
%------------------------------------------------------------------------------