TSTP Solution File: SET023-3 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SET023-3 : 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 : Tue Jul 19 04:25:57 EDT 2022

% Result   : Unsatisfiable 6.07s 6.30s
% Output   : Refutation 6.07s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SET023-3 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.14/0.34  % Computer : n014.cluster.edu
% 0.14/0.34  % Model    : x86_64 x86_64
% 0.14/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34  % Memory   : 8042.1875MB
% 0.14/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34  % CPULimit : 300
% 0.14/0.34  % WCLimit  : 600
% 0.14/0.34  % DateTime : Mon Jul 11 02:01:49 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.79/1.04  ============================== Prover9 ===============================
% 0.79/1.04  Prover9 (32) version 2009-11A, November 2009.
% 0.79/1.04  Process 370 was started by sandbox on n014.cluster.edu,
% 0.79/1.04  Mon Jul 11 02:01:50 2022
% 0.79/1.04  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_32685_n014.cluster.edu".
% 0.79/1.04  ============================== end of head ===========================
% 0.79/1.04  
% 0.79/1.04  ============================== INPUT =================================
% 0.79/1.04  
% 0.79/1.04  % Reading from file /tmp/Prover9_32685_n014.cluster.edu
% 0.79/1.04  
% 0.79/1.04  set(prolog_style_variables).
% 0.79/1.04  set(auto2).
% 0.79/1.04      % set(auto2) -> set(auto).
% 0.79/1.04      % set(auto) -> set(auto_inference).
% 0.79/1.04      % set(auto) -> set(auto_setup).
% 0.79/1.04      % set(auto_setup) -> set(predicate_elim).
% 0.79/1.04      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.79/1.04      % set(auto) -> set(auto_limits).
% 0.79/1.04      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.79/1.04      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.79/1.04      % set(auto) -> set(auto_denials).
% 0.79/1.04      % set(auto) -> set(auto_process).
% 0.79/1.04      % set(auto2) -> assign(new_constants, 1).
% 0.79/1.04      % set(auto2) -> assign(fold_denial_max, 3).
% 0.79/1.04      % set(auto2) -> assign(max_weight, "200.000").
% 0.79/1.04      % set(auto2) -> assign(max_hours, 1).
% 0.79/1.04      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.79/1.04      % set(auto2) -> assign(max_seconds, 0).
% 0.79/1.04      % set(auto2) -> assign(max_minutes, 5).
% 0.79/1.04      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.79/1.04      % set(auto2) -> set(sort_initial_sos).
% 0.79/1.04      % set(auto2) -> assign(sos_limit, -1).
% 0.79/1.04      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.79/1.04      % set(auto2) -> assign(max_megs, 400).
% 0.79/1.04      % set(auto2) -> assign(stats, some).
% 0.79/1.04      % set(auto2) -> clear(echo_input).
% 0.79/1.04      % set(auto2) -> set(quiet).
% 0.79/1.04      % set(auto2) -> clear(print_initial_clauses).
% 0.79/1.04      % set(auto2) -> clear(print_given).
% 0.79/1.04  assign(lrs_ticks,-1).
% 0.79/1.04  assign(sos_limit,10000).
% 0.79/1.04  assign(order,kbo).
% 0.79/1.04  set(lex_order_vars).
% 0.79/1.04  clear(print_given).
% 0.79/1.04  
% 0.79/1.04  % formulas(sos).  % not echoed (150 formulas)
% 0.79/1.04  
% 0.79/1.04  ============================== end of input ==========================
% 0.79/1.04  
% 0.79/1.04  % From the command line: assign(max_seconds, 300).
% 0.79/1.04  
% 0.79/1.04  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.79/1.04  
% 0.79/1.04  % Formulas that are not ordinary clauses:
% 0.79/1.04  
% 0.79/1.04  ============================== end of process non-clausal formulas ===
% 0.79/1.04  
% 0.79/1.04  ============================== PROCESS INITIAL CLAUSES ===============
% 0.79/1.04  
% 0.79/1.04  ============================== PREDICATE ELIMINATION =================
% 0.79/1.04  1 proper_subset(A,B) | -subset(A,B) | A = B # label(proper_subset3) # label(axiom).  [assumption].
% 0.79/1.04  2 -proper_subset(A,B) | subset(A,B) # label(proper_subset1) # label(axiom).  [assumption].
% 0.79/1.04  3 -proper_subset(A,B) | A != B # label(proper_subset2) # label(axiom).  [assumption].
% 0.79/1.04  4 relation(A) | member(f18(A),A) # label(relation2) # label(axiom).  [assumption].
% 0.79/1.04  5 -relation(A) | -member(B,A) | ordered_pair_predicate(B) # label(relation1) # label(axiom).  [assumption].
% 0.79/1.04  Derived: member(f18(A),A) | -member(B,A) | ordered_pair_predicate(B).  [resolve(4,a,5,a)].
% 0.79/1.04  6 relation(A) | -ordered_pair_predicate(f18(A)) # label(relation3) # label(axiom).  [assumption].
% 0.79/1.04  Derived: -ordered_pair_predicate(f18(A)) | -member(B,A) | ordered_pair_predicate(B).  [resolve(6,a,5,a)].
% 0.79/1.04  7 -function(A) | relation(A) # label(function1) # label(axiom).  [assumption].
% 0.79/1.04  Derived: -function(A) | -member(B,A) | ordered_pair_predicate(B).  [resolve(7,b,5,a)].
% 0.79/1.04  8 function(A) | -relation(A) | -single_valued_set(A) # label(function3) # label(axiom).  [assumption].
% 0.79/1.04  Derived: function(A) | -single_valued_set(A) | member(f18(A),A).  [resolve(8,b,4,a)].
% 0.79/1.04  Derived: function(A) | -single_valued_set(A) | -ordered_pair_predicate(f18(A)).  [resolve(8,b,6,a)].
% 0.79/1.04  9 single_valued_set(A) | little_set(f19(A)) # label(single_valued_set2) # label(axiom).  [assumption].
% 0.79/1.04  10 -single_valued_set(A) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D # label(single_valued_set1) # label(axiom).  [assumption].
% 0.79/1.04  Derived: little_set(f19(A)) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(9,a,10,a)].
% 0.79/1.04  11 single_valued_set(A) | little_set(f20(A)) # label(single_valued_set3) # label(axiom).  [assumption].
% 0.79/1.04  Derived: little_set(f20(A)) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(11,a,10,a)].
% 0.79/1.04  12 single_valued_set(A) | little_set(f21(A)) # label(single_valued_set4) # label(axiom).  [assumption].
% 0.79/1.04  Derived: little_set(f21(A)) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(12,a,10,a)].
% 0.79/1.04  13 single_valued_set(A) | member(ordered_pair(f19(A),f20(A)),A) # label(single_valued_set5) # label(axiom).  [assumption].
% 0.79/1.04  Derived: member(ordered_pair(f19(A),f20(A)),A) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(13,a,10,a)].
% 0.79/1.04  14 single_valued_set(A) | member(ordered_pair(f19(A),f21(A)),A) # label(single_valued_set6) # label(axiom).  [assumption].
% 0.79/1.04  Derived: member(ordered_pair(f19(A),f21(A)),A) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(14,a,10,a)].
% 0.79/1.04  15 single_valued_set(A) | f20(A) != f21(A) # label(single_valued_set7) # label(axiom).  [assumption].
% 0.79/1.04  Derived: f20(A) != f21(A) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(15,a,10,a)].
% 0.79/1.04  16 -function(A) | single_valued_set(A) # label(function2) # label(axiom).  [assumption].
% 0.79/1.04  Derived: -function(A) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(16,b,10,a)].
% 0.79/1.04  17 function(A) | -single_valued_set(A) | member(f18(A),A).  [resolve(8,b,4,a)].
% 0.79/1.04  Derived: function(A) | member(f18(A),A) | little_set(f19(A)).  [resolve(17,b,9,a)].
% 0.79/1.04  Derived: function(A) | member(f18(A),A) | little_set(f20(A)).  [resolve(17,b,11,a)].
% 0.79/1.04  Derived: function(A) | member(f18(A),A) | little_set(f21(A)).  [resolve(17,b,12,a)].
% 0.79/1.04  Derived: function(A) | member(f18(A),A) | member(ordered_pair(f19(A),f20(A)),A).  [resolve(17,b,13,a)].
% 0.79/1.04  Derived: function(A) | member(f18(A),A) | member(ordered_pair(f19(A),f21(A)),A).  [resolve(17,b,14,a)].
% 0.79/1.04  Derived: function(A) | member(f18(A),A) | f20(A) != f21(A).  [resolve(17,b,15,a)].
% 0.79/1.04  18 function(A) | -single_valued_set(A) | -ordered_pair_predicate(f18(A)).  [resolve(8,b,6,a)].
% 0.79/1.04  Derived: function(A) | -ordered_pair_predicate(f18(A)) | little_set(f19(A)).  [resolve(18,b,9,a)].
% 0.79/1.04  Derived: function(A) | -ordered_pair_predicate(f18(A)) | little_set(f20(A)).  [resolve(18,b,11,a)].
% 0.79/1.04  Derived: function(A) | -ordered_pair_predicate(f18(A)) | little_set(f21(A)).  [resolve(18,b,12,a)].
% 0.79/1.04  Derived: function(A) | -ordered_pair_predicate(f18(A)) | member(ordered_pair(f19(A),f20(A)),A).  [resolve(18,b,13,a)].
% 0.79/1.04  Derived: function(A) | -ordered_pair_predicate(f18(A)) | member(ordered_pair(f19(A),f21(A)),A).  [resolve(18,b,14,a)].
% 0.79/1.04  Derived: function(A) | -ordered_pair_predicate(f18(A)) | f20(A) != f21(A).  [resolve(18,b,15,a)].
% 0.79/1.04  19 disjoint(A,B) | member(f23(A,B),A) # label(disjoint2) # label(axiom).  [assumption].
% 0.79/1.04  20 -disjoint(A,B) | -member(C,A) | -member(C,B) # label(disjoint1) # label(axiom).  [assumption].
% 0.79/1.04  Derived: member(f23(A,B),A) | -member(C,A) | -member(C,B).  [resolve(19,a,20,a)].
% 0.79/1.04  21 disjoint(A,B) | member(f23(A,B),B) # label(disjoint3) # label(axiom).  [assumption].
% 0.79/1.04  Derived: member(f23(A,B),B) | -member(C,A) | -member(C,B).  [resolve(21,a,20,a)].
% 0.79/1.04  22 A = empty_set | disjoint(f24(A),A) # label(regularity2) # label(axiom).  [assumption].
% 0.79/1.04  Derived: A = empty_set | -member(B,f24(A)) | -member(B,A).  [resolve(22,b,20,a)].
% 0.79/1.04  23 one_to_one_function(A) | -function(A) | -function(converse(A)) # label(one_to_one_function3) # label(axiom).  [assumption].
% 0.79/1.04  24 -one_to_one_function(A) | function(A) # label(one_to_one_function1) # label(axiom).  [assumption].
% 0.79/1.04  25 -one_to_one_function(A) | function(converse(A)) # label(one_to_one_function2) # label(axiom).  [assumption].
% 0.79/1.04  26 function(f25) # label(choice1) # label(axiom).  [assumption].
% 0.79/1.04  27 -little_set(A) | -function(B) | little_set(image(A,B)) # label(image_and_substitution6) # label(axiom).  [assumption].
% 0.79/1.04  Derived: -little_set(A) | little_set(image(A,f25)).  [resolve(26,a,27,b)].
% 0.79/1.04  28 -maps(A,B,C) | function(A) # label(maps1) # label(axiom).  [assumption].
% 0.79/1.04  Derived: -maps(A,B,C) | -little_set(D) | little_set(image(D,A)).  [resolve(28,b,27,b)].
% 0.79/1.04  29 maps(A,B,C) | -function(A) | domain_of(A) != B | -subset(range_of(A),C) # label(maps4) # label(axiom).  [assumption].
% 0.79/1.04  Derived: maps(f25,A,B) | domain_of(f25) != A | -subset(range_of(f25),B).  [resolve(29,b,26,a)].
% 0.79/1.04  Derived: maps(A,B,C) | domain_of(A) != B | -subset(range_of(A),C) | -maps(A,D,E).  [resolve(29,b,28,b)].
% 0.79/1.04  30 -function(A) | -member(B,A) | ordered_pair_predicate(B).  [resolve(7,b,5,a)].
% 0.79/1.04  Derived: -member(A,f25) | ordered_pair_predicate(A).  [resolve(30,a,26,a)].
% 0.79/1.04  Derived: -member(A,B) | ordered_pair_predicate(A) | -maps(B,C,D).  [resolve(30,a,28,b)].
% 0.79/1.04  31 -function(A) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(16,b,10,a)].
% 0.79/1.04  Derived: -little_set(A) | -little_set(B) | -little_set(C) | -member(ordered_pair(A,B),f25) | -member(ordered_pair(A,C),f25) | B = C.  [resolve(31,a,26,a)].
% 0.79/1.04  Derived: -little_set(A) | -little_set(B) | -little_set(C) | -member(ordered_pair(A,B),D) | -member(ordered_pair(A,C),D) | B = C | -maps(D,E,F).  [resolve(31,a,28,b)].
% 0.79/1.04  32 function(A) | member(f18(A),A) | little_set(f19(A)).  [resolve(17,b,9,a)].
% 0.79/1.04  Derived: member(f18(A),A) | little_set(f19(A)) | -little_set(B) | little_set(image(B,A)).  [resolve(32,a,27,b)].
% 0.79/1.04  Derived: member(f18(A),A) | little_set(f19(A)) | maps(A,B,C) | domain_of(A) != B | -subset(range_of(A),C).  [resolve(32,a,29,b)].
% 0.79/1.04  Derived: member(f18(A),A) | little_set(f19(A)) | -member(B,A) | ordered_pair_predicate(B).  [resolve(32,a,30,a)].
% 0.79/1.04  Derived: member(f18(A),A) | little_set(f19(A)) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(32,a,31,a)].
% 0.79/1.04  33 function(A) | member(f18(A),A) | little_set(f20(A)).  [resolve(17,b,11,a)].
% 0.79/1.04  Derived: member(f18(A),A) | little_set(f20(A)) | -little_set(B) | little_set(image(B,A)).  [resolve(33,a,27,b)].
% 0.79/1.04  Derived: member(f18(A),A) | little_set(f20(A)) | maps(A,B,C) | domain_of(A) != B | -subset(range_of(A),C).  [resolve(33,a,29,b)].
% 0.79/1.04  Derived: member(f18(A),A) | little_set(f20(A)) | -member(B,A) | ordered_pair_predicate(B).  [resolve(33,a,30,a)].
% 0.79/1.04  Derived: member(f18(A),A) | little_set(f20(A)) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(33,a,31,a)].
% 0.79/1.04  34 function(A) | member(f18(A),A) | little_set(f21(A)).  [resolve(17,b,12,a)].
% 0.79/1.04  Derived: member(f18(A),A) | little_set(f21(A)) | -little_set(B) | little_set(image(B,A)).  [resolve(34,a,27,b)].
% 0.79/1.04  Derived: member(f18(A),A) | little_set(f21(A)) | maps(A,B,C) | domain_of(A) != B | -subset(range_of(A),C).  [resolve(34,a,29,b)].
% 0.79/1.04  Derived: member(f18(A),A) | little_set(f21(A)) | -member(B,A) | ordered_pair_predicate(B).  [resolve(34,a,30,a)].
% 0.79/1.04  Derived: member(f18(A),A) | little_set(f21(A)) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(34,a,31,a)].
% 0.79/1.04  35 function(A) | member(f18(A),A) | member(ordered_pair(f19(A),f20(A)),A).  [resolve(17,b,13,a)].
% 0.79/1.04  Derived: member(f18(A),A) | member(ordered_pair(f19(A),f20(A)),A) | -little_set(B) | little_set(image(B,A)).  [resolve(35,a,27,b)].
% 0.79/1.04  Derived: member(f18(A),A) | member(ordered_pair(f19(A),f20(A)),A) | maps(A,B,C) | domain_of(A) != B | -subset(range_of(A),C).  [resolve(35,a,29,b)].
% 0.79/1.04  Derived: member(f18(A),A) | member(ordered_pair(f19(A),f20(A)),A) | -member(B,A) | ordered_pair_predicate(B).  [resolve(35,a,30,a)].
% 0.79/1.04  Derived: member(f18(A),A) | member(ordered_pair(f19(A),f20(A)),A) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(35,a,31,a)].
% 0.79/1.04  36 function(A) | member(f18(A),A) | member(ordered_pair(f19(A),f21(A)),A).  [resolve(17,b,14,a)].
% 0.79/1.04  Derived: member(f18(A),A) | member(ordered_pair(f19(A),f21(A)),A) | -little_set(B) | little_set(image(B,A)).  [resolve(36,a,27,b)].
% 0.79/1.05  Derived: member(f18(A),A) | member(ordered_pair(f19(A),f21(A)),A) | maps(A,B,C) | domain_of(A) != B | -subset(range_of(A),C).  [resolve(36,a,29,b)].
% 0.79/1.05  Derived: member(f18(A),A) | member(ordered_pair(f19(A),f21(A)),A) | -member(B,A) | ordered_pair_predicate(B).  [resolve(36,a,30,a)].
% 0.79/1.05  Derived: member(f18(A),A) | member(ordered_pair(f19(A),f21(A)),A) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(36,a,31,a)].
% 0.79/1.05  37 function(A) | member(f18(A),A) | f20(A) != f21(A).  [resolve(17,b,15,a)].
% 0.79/1.05  Derived: member(f18(A),A) | f20(A) != f21(A) | -little_set(B) | little_set(image(B,A)).  [resolve(37,a,27,b)].
% 0.79/1.05  Derived: member(f18(A),A) | f20(A) != f21(A) | maps(A,B,C) | domain_of(A) != B | -subset(range_of(A),C).  [resolve(37,a,29,b)].
% 0.79/1.05  Derived: member(f18(A),A) | f20(A) != f21(A) | -member(B,A) | ordered_pair_predicate(B).  [resolve(37,a,30,a)].
% 0.79/1.05  Derived: member(f18(A),A) | f20(A) != f21(A) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(37,a,31,a)].
% 0.79/1.05  38 function(A) | -ordered_pair_predicate(f18(A)) | little_set(f19(A)).  [resolve(18,b,9,a)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | little_set(f19(A)) | -little_set(B) | little_set(image(B,A)).  [resolve(38,a,27,b)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | little_set(f19(A)) | maps(A,B,C) | domain_of(A) != B | -subset(range_of(A),C).  [resolve(38,a,29,b)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | little_set(f19(A)) | -member(B,A) | ordered_pair_predicate(B).  [resolve(38,a,30,a)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | little_set(f19(A)) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(38,a,31,a)].
% 0.79/1.05  39 function(A) | -ordered_pair_predicate(f18(A)) | little_set(f20(A)).  [resolve(18,b,11,a)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | little_set(f20(A)) | -little_set(B) | little_set(image(B,A)).  [resolve(39,a,27,b)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | little_set(f20(A)) | maps(A,B,C) | domain_of(A) != B | -subset(range_of(A),C).  [resolve(39,a,29,b)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | little_set(f20(A)) | -member(B,A) | ordered_pair_predicate(B).  [resolve(39,a,30,a)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | little_set(f20(A)) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(39,a,31,a)].
% 0.79/1.05  40 function(A) | -ordered_pair_predicate(f18(A)) | little_set(f21(A)).  [resolve(18,b,12,a)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | little_set(f21(A)) | -little_set(B) | little_set(image(B,A)).  [resolve(40,a,27,b)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | little_set(f21(A)) | maps(A,B,C) | domain_of(A) != B | -subset(range_of(A),C).  [resolve(40,a,29,b)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | little_set(f21(A)) | -member(B,A) | ordered_pair_predicate(B).  [resolve(40,a,30,a)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | little_set(f21(A)) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(40,a,31,a)].
% 0.79/1.05  41 function(A) | -ordered_pair_predicate(f18(A)) | member(ordered_pair(f19(A),f20(A)),A).  [resolve(18,b,13,a)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | member(ordered_pair(f19(A),f20(A)),A) | -little_set(B) | little_set(image(B,A)).  [resolve(41,a,27,b)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | member(ordered_pair(f19(A),f20(A)),A) | maps(A,B,C) | domain_of(A) != B | -subset(range_of(A),C).  [resolve(41,a,29,b)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | member(ordered_pair(f19(A),f20(A)),A) | -member(B,A) | ordered_pair_predicate(B).  [resolve(41,a,30,a)].
% 0.79/1.05  Derived: -ordered_pair_predicate(f18(A)) | member(ordered_pair(f19(A),f20(A)),A) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(41,a,31,a)].
% 0.79/1.09  42 function(A) | -ordered_pair_predicate(f18(A)) | member(ordered_pair(f19(A),f21(A)),A).  [resolve(18,b,14,a)].
% 0.79/1.09  Derived: -ordered_pair_predicate(f18(A)) | member(ordered_pair(f19(A),f21(A)),A) | -little_set(B) | little_set(image(B,A)).  [resolve(42,a,27,b)].
% 0.79/1.09  Derived: -ordered_pair_predicate(f18(A)) | member(ordered_pair(f19(A),f21(A)),A) | maps(A,B,C) | domain_of(A) != B | -subset(range_of(A),C).  [resolve(42,a,29,b)].
% 0.79/1.09  Derived: -ordered_pair_predicate(f18(A)) | member(ordered_pair(f19(A),f21(A)),A) | -member(B,A) | ordered_pair_predicate(B).  [resolve(42,a,30,a)].
% 0.79/1.09  Derived: -ordered_pair_predicate(f18(A)) | member(ordered_pair(f19(A),f21(A)),A) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(42,a,31,a)].
% 0.79/1.09  43 function(A) | -ordered_pair_predicate(f18(A)) | f20(A) != f21(A).  [resolve(18,b,15,a)].
% 0.79/1.09  Derived: -ordered_pair_predicate(f18(A)) | f20(A) != f21(A) | -little_set(B) | little_set(image(B,A)).  [resolve(43,a,27,b)].
% 0.79/1.09  Derived: -ordered_pair_predicate(f18(A)) | f20(A) != f21(A) | maps(A,B,C) | domain_of(A) != B | -subset(range_of(A),C).  [resolve(43,a,29,b)].
% 0.79/1.09  Derived: -ordered_pair_predicate(f18(A)) | f20(A) != f21(A) | -member(B,A) | ordered_pair_predicate(B).  [resolve(43,a,30,a)].
% 0.79/1.09  Derived: -ordered_pair_predicate(f18(A)) | f20(A) != f21(A) | -little_set(B) | -little_set(C) | -little_set(D) | -member(ordered_pair(B,C),A) | -member(ordered_pair(B,D),A) | C = D.  [resolve(43,a,31,a)].
% 0.79/1.09  44 homomorphism(A,B,C,D,E) | -closed(B,C) | -closed(D,E) | -maps(A,B,D) | member(f32(A,B,C,D,E),B) # label(homomorphism5) # label(axiom).  [assumption].
% 0.79/1.09  45 -homomorphism(A,B,C,D,E) | closed(B,C) # label(homomorphism1) # label(axiom).  [assumption].
% 0.79/1.09  46 -homomorphism(A,B,C,D,E) | closed(D,E) # label(homomorphism2) # label(axiom).  [assumption].
% 0.79/1.09  47 -homomorphism(A,B,C,D,E) | maps(A,B,D) # label(homomorphism3) # label(axiom).  [assumption].
% 0.79/1.09  48 -homomorphism(A,B,C,D,E) | -member(F,B) | -member(V6,B) | apply(A,apply_to_two_arguments(C,F,V6)) = apply_to_two_arguments(E,apply(A,F),apply(A,V6)) # label(homomorphism4) # label(axiom).  [assumption].
% 0.79/1.09  Derived: -closed(A,B) | -closed(C,D) | -maps(E,A,C) | member(f32(E,A,B,C,D),A) | -member(F,A) | -member(V6,A) | apply(E,apply_to_two_arguments(B,F,V6)) = apply_to_two_arguments(D,apply(E,F),apply(E,V6)).  [resolve(44,a,48,a)].
% 0.79/1.09  49 homomorphism(A,B,C,D,E) | -closed(B,C) | -closed(D,E) | -maps(A,B,D) | member(f33(A,B,C,D,E),B) # label(homomorphism6) # label(axiom).  [assumption].
% 0.79/1.09  Derived: -closed(A,B) | -closed(C,D) | -maps(E,A,C) | member(f33(E,A,B,C,D),A) | -member(F,A) | -member(V6,A) | apply(E,apply_to_two_arguments(B,F,V6)) = apply_to_two_arguments(D,apply(E,F),apply(E,V6)).  [resolve(49,a,48,a)].
% 0.79/1.09  50 homomorphism(A,B,C,D,E) | -closed(B,C) | -closed(D,E) | -maps(A,B,D) | apply(A,apply_to_two_arguments(C,f32(A,B,C,D,E),f33(A,B,C,D,E))) != apply_to_two_arguments(E,apply(A,f32(A,B,C,D,E)),apply(A,f33(A,B,C,D,E))) # label(homomorphism7) # label(axiom).  [assumption].
% 0.79/1.09  Derived: -closed(A,B) | -closed(C,D) | -maps(E,A,C) | apply(E,apply_to_two_arguments(B,f32(E,A,B,C,D),f33(E,A,B,C,D))) != apply_to_two_arguments(D,apply(E,f32(E,A,B,C,D)),apply(E,f33(E,A,B,C,D))) | -member(F,A) | -member(V6,A) | apply(E,apply_to_two_arguments(B,F,V6)) = apply_to_two_arguments(D,apply(E,F),apply(E,V6)).  [resolve(50,a,48,a)].
% 0.79/1.09  
% 0.79/1.09  ============================== end predicate elimination =============
% 0.79/1.09  
% 0.79/1.09  Auto_denials:  (non-Horn, no changes).
% 0.79/1.09  
% 0.79/1.09  Term ordering decisions:
% 0.79/1.09  Function symbol KB weights:  f25=1. empty_set=1. infinity=1. estin=1. identity_relation=1. universal_set=1. a=1. ordered_pair=1. image=1. apply=1. non_ordered_pair=1. compose=1. cross_product=1. f1=1. intersection=1. f10=1. f11=1. f12=1. f13=1. f14=1. f27=1. f4=1. f7=1. f8=1. f9=1. f16=1. f17=1. f23=1. f5=1. f6=1. union=1. restrict=1. f18=1. f19=1. f20=1. f21=1. first=1. second=1. domain_of=1. range_of=1. flip_range_of=1. rotate_right=1. complement=1. sigma=1. converse=1. powerset=1. singleton_set=1. f2=1. f24=1. f26=1. f3=1. successor=1. apply_to_two_arguments=1. f22=1. f28=1. f29=1. f30=1. f31=1. f32=1. f33=1.
% 6.07/6.30  
% 6.07/6.30  ============================== end of process initial clauses ========
% 6.07/6.30  
% 6.07/6.30  ============================== CLAUSES FOR SEARCH ====================
% 6.07/6.30  
% 6.07/6.30  ============================== end of clauses for search =============
% 6.07/6.30  
% 6.07/6.30  ============================== SEARCH ================================
% 6.07/6.30  
% 6.07/6.30  % Starting search at 0.08 seconds.
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=44.000, iters=3413
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=43.000, iters=3356
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=40.000, iters=3363
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=38.000, iters=3395
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=37.000, iters=3367
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=36.000, iters=3357
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=35.000, iters=3359
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=34.000, iters=3383
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=33.000, iters=3350
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=32.000, iters=3335
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=31.000, iters=3415
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=30.000, iters=3343
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=29.000, iters=3352
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=28.000, iters=3340
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=27.000, iters=3376
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=26.000, iters=3347
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=25.000, iters=3363
% 6.07/6.30  
% 6.07/6.30  NOTE: Back_subsumption disabled, ratio of kept to back_subsumed is 59 (0.00 of 1.16 sec).
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=24.000, iters=3370
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=23.000, iters=3355
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=22.000, iters=3392
% 6.07/6.30  
% 6.07/6.30  Low Water (displace): id=4177, wt=99.000
% 6.07/6.30  
% 6.07/6.30  Low Water (displace): id=4176, wt=95.000
% 6.07/6.30  
% 6.07/6.30  Low Water (displace): id=1192, wt=91.000
% 6.07/6.30  
% 6.07/6.30  Low Water (displace): id=10882, wt=20.000
% 6.07/6.30  
% 6.07/6.30  Low Water (displace): id=10883, wt=16.000
% 6.07/6.30  
% 6.07/6.30  Low Water (displace): id=10906, wt=14.000
% 6.07/6.30  
% 6.07/6.30  Low Water (displace): id=10997, wt=8.000
% 6.07/6.30  
% 6.07/6.30  Low Water (displace): id=11002, wt=7.000
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=21.000, iters=3336
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=20.000, iters=3351
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=19.000, iters=3350
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=18.000, iters=3337
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=17.000, iters=3333
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=16.000, iters=3336
% 6.07/6.30  
% 6.07/6.30  Low Water (keep): wt=15.000, iters=3339
% 6.07/6.30  
% 6.07/6.30  ============================== PROOF =================================
% 6.07/6.30  % SZS status Unsatisfiable
% 6.07/6.30  % SZS output start Refutation
% 6.07/6.30  
% 6.07/6.30  % Proof 1 at 5.12 (+ 0.17) seconds.
% 6.07/6.30  % Length of proof is 17.
% 6.07/6.30  % Level of proof is 5.
% 6.07/6.30  % Maximum clause weight is 15.000.
% 6.07/6.30  % Given clauses 2612.
% 6.07/6.30  
% 6.07/6.30  59 singleton_set(A) = non_ordered_pair(A,A) # label(singleton_set) # label(axiom).  [assumption].
% 6.07/6.30  60 ordered_pair(A,B) = non_ordered_pair(singleton_set(A),non_ordered_pair(A,B)) # label(ordered_pair) # label(axiom).  [assumption].
% 6.07/6.30  61 ordered_pair(A,B) = non_ordered_pair(non_ordered_pair(A,A),non_ordered_pair(A,B)).  [copy(60),rewrite([59(2)])].
% 6.07/6.30  62 -ordered_pair_predicate(A) | little_set(f2(A)) # label(ordered_pair_predicate1) # label(axiom).  [assumption].
% 6.07/6.30  63 -ordered_pair_predicate(A) | little_set(f3(A)) # label(ordered_pair_predicate2) # label(axiom).  [assumption].
% 6.07/6.30  64 -ordered_pair_predicate(A) | A = ordered_pair(f2(A),f3(A)) # label(ordered_pair_predicate3) # label(axiom).  [assumption].
% 6.07/6.30  65 -ordered_pair_predicate(A) | non_ordered_pair(non_ordered_pair(f2(A),f2(A)),non_ordered_pair(f2(A),f3(A))) = A.  [copy(64),rewrite([61(4)]),flip(b)].
% 6.07/6.30  197 -little_set(A) | -little_set(B) | second(ordered_pair(A,B)) = B # label(property_of_second) # label(axiom).  [assumption].
% 6.07/6.30  198 -little_set(A) | -little_set(B) | second(non_ordered_pair(non_ordered_pair(A,A),non_ordered_pair(A,B))) = B.  [copy(197),rewrite([61(3)])].
% 6.07/6.30  200 ordered_pair_predicate(a) # label(an_ordered_pair_predicate) # label(hypothesis).  [assumption].
% 6.07/6.30  201 -little_set(second(a)) # label(prove_second_component_is_small) # label(negated_conjecture).  [assumption].
% 6.07/6.30  723 non_ordered_pair(non_ordered_pair(f2(a),f2(a)),non_ordered_pair(f2(a),f3(a))) = a.  [resolve(200,a,65,a)].
% 6.07/6.30  724 little_set(f3(a)).  [resolve(200,a,63,a)].
% 6.07/6.30  725 little_set(f2(a)).  [resolve(200,a,62,a)].
% 6.07/6.30  1370 -little_set(A) | second(non_ordered_pair(non_ordered_pair(A,A),non_ordered_pair(A,f3(a)))) = f3(a).  [resolve(724,a,198,b)].
% 6.07/6.30  31734 f3(a) = second(a).  [resolve(1370,a,725,a),rewrite([723(11)]),flip(a)].
% 6.07/6.30  32227 $F.  [back_rewrite(724),rewrite([31734(2)]),unit_del(a,201)].
% 6.07/6.30  
% 6.07/6.30  % SZS output end Refutation
% 6.07/6.30  ============================== end of proof ==========================
% 6.07/6.30  
% 6.07/6.30  ============================== STATISTICS ============================
% 6.07/6.30  
% 6.07/6.30  Given=2612. Generated=267761. Kept=32099. proofs=1.
% 6.07/6.30  Usable=2393. Sos=9262. Demods=509. Limbo=493, Disabled=20187. Hints=0.
% 6.07/6.30  Megabytes=30.93.
% 6.07/6.30  User_CPU=5.12, System_CPU=0.17, Wall_clock=5.
% 6.07/6.30  
% 6.07/6.30  ============================== end of statistics =====================
% 6.07/6.30  
% 6.07/6.30  ============================== end of search =========================
% 6.07/6.30  
% 6.07/6.30  THEOREM PROVED
% 6.07/6.30  % SZS status Unsatisfiable
% 6.07/6.30  
% 6.07/6.30  Exiting with 1 proof.
% 6.07/6.30  
% 6.07/6.30  Process 370 exit (max_proofs) Mon Jul 11 02:01:55 2022
% 6.07/6.30  Prover9 interrupted
%------------------------------------------------------------------------------