TSTP Solution File: SET666+3 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SET666+3 : TPTP v8.1.0. Released v2.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n023.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 04:31:15 EDT 2022

% Result   : Theorem 0.75s 1.04s
% Output   : Refutation 0.75s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SET666+3 : TPTP v8.1.0. Released v2.2.0.
% 0.03/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.33  % Computer : n023.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Sun Jul 10 17:32:10 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.43/1.02  ============================== Prover9 ===============================
% 0.43/1.02  Prover9 (32) version 2009-11A, November 2009.
% 0.43/1.02  Process 16403 was started by sandbox on n023.cluster.edu,
% 0.43/1.02  Sun Jul 10 17:32:10 2022
% 0.43/1.02  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_16250_n023.cluster.edu".
% 0.43/1.02  ============================== end of head ===========================
% 0.43/1.02  
% 0.43/1.02  ============================== INPUT =================================
% 0.43/1.02  
% 0.43/1.02  % Reading from file /tmp/Prover9_16250_n023.cluster.edu
% 0.43/1.02  
% 0.43/1.02  set(prolog_style_variables).
% 0.43/1.02  set(auto2).
% 0.43/1.02      % set(auto2) -> set(auto).
% 0.43/1.02      % set(auto) -> set(auto_inference).
% 0.43/1.02      % set(auto) -> set(auto_setup).
% 0.43/1.02      % set(auto_setup) -> set(predicate_elim).
% 0.43/1.02      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.43/1.02      % set(auto) -> set(auto_limits).
% 0.43/1.02      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.43/1.02      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.43/1.02      % set(auto) -> set(auto_denials).
% 0.43/1.02      % set(auto) -> set(auto_process).
% 0.43/1.02      % set(auto2) -> assign(new_constants, 1).
% 0.43/1.02      % set(auto2) -> assign(fold_denial_max, 3).
% 0.43/1.02      % set(auto2) -> assign(max_weight, "200.000").
% 0.43/1.02      % set(auto2) -> assign(max_hours, 1).
% 0.43/1.02      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.43/1.02      % set(auto2) -> assign(max_seconds, 0).
% 0.43/1.02      % set(auto2) -> assign(max_minutes, 5).
% 0.43/1.02      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.43/1.02      % set(auto2) -> set(sort_initial_sos).
% 0.43/1.02      % set(auto2) -> assign(sos_limit, -1).
% 0.43/1.02      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.43/1.02      % set(auto2) -> assign(max_megs, 400).
% 0.43/1.02      % set(auto2) -> assign(stats, some).
% 0.43/1.02      % set(auto2) -> clear(echo_input).
% 0.43/1.02      % set(auto2) -> set(quiet).
% 0.43/1.02      % set(auto2) -> clear(print_initial_clauses).
% 0.43/1.02      % set(auto2) -> clear(print_given).
% 0.43/1.02  assign(lrs_ticks,-1).
% 0.43/1.02  assign(sos_limit,10000).
% 0.43/1.02  assign(order,kbo).
% 0.43/1.02  set(lex_order_vars).
% 0.43/1.02  clear(print_given).
% 0.43/1.02  
% 0.43/1.02  % formulas(sos).  % not echoed (25 formulas)
% 0.43/1.02  
% 0.43/1.02  ============================== end of input ==========================
% 0.43/1.02  
% 0.43/1.02  % From the command line: assign(max_seconds, 300).
% 0.43/1.02  
% 0.43/1.02  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.43/1.02  
% 0.43/1.02  % Formulas that are not ordinary clauses:
% 0.43/1.02  1 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> (all D (ilf_type(D,subset_type(cross_product(B,C))) -> ilf_type(D,relation_type(B,C)))) & (all E (ilf_type(E,relation_type(B,C)) -> ilf_type(E,subset_type(cross_product(B,C))))))))) # label(p1) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  2 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> (exists D ilf_type(D,relation_type(C,B))))))) # label(p2) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  3 (all B (ilf_type(B,set_type) -> subset(identity_relation_of(B),cross_product(B,B)))) # label(p3) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  4 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> (all D (ilf_type(D,set_type) -> (member(ordered_pair(C,D),identity_relation_of(B)) <-> member(C,B) & C = D))))))) # label(p4) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  5 (all B (ilf_type(B,set_type) -> ilf_type(identity_relation_of(B),binary_relation_type))) # label(p5) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  6 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> (ilf_type(C,identity_relation_of_type(B)) <-> ilf_type(C,relation_type(B,B))))))) # label(p6) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  7 (all B (ilf_type(B,set_type) -> (exists C ilf_type(C,identity_relation_of_type(B))))) # label(p7) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  8 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> ilf_type(cross_product(B,C),set_type))))) # label(p8) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  9 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> ilf_type(ordered_pair(B,C),set_type))))) # label(p9) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  10 (all B (ilf_type(B,set_type) -> (ilf_type(B,binary_relation_type) <-> relation_like(B) & ilf_type(B,set_type)))) # label(p10) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  11 (exists B ilf_type(B,binary_relation_type)) # label(p11) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.03  12 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> (ilf_type(C,subset_type(B)) <-> ilf_type(C,member_type(power_set(B)))))))) # label(p12) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.03  13 (all B (ilf_type(B,set_type) -> (exists C ilf_type(C,subset_type(B))))) # label(p13) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.03  14 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> (subset(B,C) <-> (all D (ilf_type(D,set_type) -> (member(D,B) -> member(D,C))))))))) # label(p14) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.03  15 (all B (ilf_type(B,set_type) -> subset(B,B))) # label(p15) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.03  16 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> (member(B,power_set(C)) <-> (all D (ilf_type(D,set_type) -> (member(D,B) -> member(D,C))))))))) # label(p16) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.03  17 (all B (ilf_type(B,set_type) -> -empty(power_set(B)) & ilf_type(power_set(B),set_type))) # label(p17) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.03  18 (all B (ilf_type(B,set_type) -> (all C (-empty(C) & ilf_type(C,set_type) -> (ilf_type(B,member_type(C)) <-> member(B,C)))))) # label(p18) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.03  19 (all B (-empty(B) & ilf_type(B,set_type) -> (exists C ilf_type(C,member_type(B))))) # label(p19) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.03  20 (all B (ilf_type(B,set_type) -> (relation_like(B) <-> (all C (ilf_type(C,set_type) -> (member(C,B) -> (exists D (ilf_type(D,set_type) & (exists E (ilf_type(E,set_type) & C = ordered_pair(D,E))))))))))) # label(p20) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.03  21 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> (all D (ilf_type(D,subset_type(cross_product(B,C))) -> relation_like(D))))))) # label(p21) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.03  22 (all B (ilf_type(B,set_type) -> (empty(B) <-> (all C (ilf_type(C,set_type) -> -member(C,B)))))) # label(p22) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.03  23 (all B (empty(B) & ilf_type(B,set_type) -> relation_like(B))) # label(p23) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.03  24 (all B ilf_type(B,set_type)) # label(p24) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.03  25 -(all B (ilf_type(B,set_type) -> ilf_type(identity_relation_of(B),identity_relation_of_type(B)))) # label(prove_relset_1_29) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.43/1.03  
% 0.43/1.03  ============================== end of process non-clausal formulas ===
% 0.43/1.03  
% 0.43/1.03  ============================== PROCESS INITIAL CLAUSES ===============
% 0.43/1.03  
% 0.43/1.03  ============================== PREDICATE ELIMINATION =================
% 0.43/1.03  26 -ilf_type(A,set_type) | -ilf_type(B,set_type) | -subset(A,B) | -ilf_type(C,set_type) | -member(C,A) | member(C,B) # label(p14) # label(axiom).  [clausify(14)].
% 0.43/1.03  27 -ilf_type(A,set_type) | subset(A,A) # label(p15) # label(axiom).  [clausify(15)].
% 0.43/1.03  28 -ilf_type(A,set_type) | subset(identity_relation_of(A),cross_product(A,A)) # label(p3) # label(axiom).  [clausify(3)].
% 0.43/1.03  29 -ilf_type(A,set_type) | -ilf_type(B,set_type) | subset(A,B) | ilf_type(f4(A,B),set_type) # label(p14) # label(axiom).  [clausify(14)].
% 0.43/1.03  30 -ilf_type(A,set_type) | -ilf_type(B,set_type) | subset(A,B) | member(f4(A,B),A) # label(p14) # label(axiom).  [clausify(14)].
% 0.43/1.03  31 -ilf_type(A,set_type) | -ilf_type(B,set_type) | subset(A,B) | -member(f4(A,B),B) # label(p14) # label(axiom).  [clausify(14)].
% 0.43/1.03  Derived: -ilf_type(identity_relation_of(A),set_type) | -ilf_type(cross_product(A,A),set_type) | -ilf_type(B,set_type) | -member(B,identity_relation_of(A)) | member(B,cross_product(A,A)) | -ilf_type(A,set_type).  [resolve(26,c,28,b)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -ilf_type(C,set_type) | -member(C,A) | member(C,B) | -ilf_type(A,set_type) | -ilf_type(B,set_type) | ilf_type(f4(A,B),set_type).  [resolve(26,c,29,c)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -ilf_type(C,set_type) | -member(C,A) | member(C,B) | -ilf_type(A,set_type) | -ilf_type(B,set_type) | member(f4(A,B),A).  [resolve(26,c,30,c)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -ilf_type(C,set_type) | -member(C,A) | member(C,B) | -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(f4(A,B),B).  [resolve(26,c,31,c)].
% 0.43/1.03  32 -ilf_type(A,set_type) | ilf_type(A,binary_relation_type) | -relation_like(A) # label(p10) # label(axiom).  [clausify(10)].
% 0.43/1.03  33 -empty(A) | -ilf_type(A,set_type) | relation_like(A) # label(p23) # label(axiom).  [clausify(23)].
% 0.43/1.03  34 -ilf_type(A,set_type) | -ilf_type(A,binary_relation_type) | relation_like(A) # label(p10) # label(axiom).  [clausify(10)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | ilf_type(A,binary_relation_type) | -empty(A) | -ilf_type(A,set_type).  [resolve(32,c,33,c)].
% 0.43/1.03  35 -ilf_type(A,set_type) | relation_like(A) | ilf_type(f9(A),set_type) # label(p20) # label(axiom).  [clausify(20)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | ilf_type(f9(A),set_type) | -ilf_type(A,set_type) | ilf_type(A,binary_relation_type).  [resolve(35,b,32,c)].
% 0.43/1.03  36 -ilf_type(A,set_type) | relation_like(A) | member(f9(A),A) # label(p20) # label(axiom).  [clausify(20)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | member(f9(A),A) | -ilf_type(A,set_type) | ilf_type(A,binary_relation_type).  [resolve(36,b,32,c)].
% 0.43/1.03  37 -ilf_type(A,set_type) | -ilf_type(B,set_type) | -ilf_type(C,subset_type(cross_product(A,B))) | relation_like(C) # label(p21) # label(axiom).  [clausify(21)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -ilf_type(C,subset_type(cross_product(A,B))) | -ilf_type(C,set_type) | ilf_type(C,binary_relation_type).  [resolve(37,d,32,c)].
% 0.43/1.03  38 -ilf_type(A,set_type) | -relation_like(A) | -ilf_type(B,set_type) | -member(B,A) | ilf_type(f7(A,B),set_type) # label(p20) # label(axiom).  [clausify(20)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ilf_type(f7(A,B),set_type) | -empty(A) | -ilf_type(A,set_type).  [resolve(38,b,33,c)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ilf_type(f7(A,B),set_type) | -ilf_type(A,set_type) | -ilf_type(A,binary_relation_type).  [resolve(38,b,34,c)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ilf_type(f7(A,B),set_type) | -ilf_type(A,set_type) | ilf_type(f9(A),set_type).  [resolve(38,b,35,b)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ilf_type(f7(A,B),set_type) | -ilf_type(A,set_type) | member(f9(A),A).  [resolve(38,b,36,b)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ilf_type(f7(A,B),set_type) | -ilf_type(C,set_type) | -ilf_type(D,set_type) | -ilf_type(A,subset_type(cross_product(C,D))).  [resolve(38,b,37,d)].
% 0.43/1.03  39 -ilf_type(A,set_type) | -relation_like(A) | -ilf_type(B,set_type) | -member(B,A) | ilf_type(f8(A,B),set_type) # label(p20) # label(axiom).  [clausify(20)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ilf_type(f8(A,B),set_type) | -empty(A) | -ilf_type(A,set_type).  [resolve(39,b,33,c)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ilf_type(f8(A,B),set_type) | -ilf_type(A,set_type) | -ilf_type(A,binary_relation_type).  [resolve(39,b,34,c)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ilf_type(f8(A,B),set_type) | -ilf_type(A,set_type) | ilf_type(f9(A),set_type).  [resolve(39,b,35,b)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ilf_type(f8(A,B),set_type) | -ilf_type(A,set_type) | member(f9(A),A).  [resolve(39,b,36,b)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ilf_type(f8(A,B),set_type) | -ilf_type(C,set_type) | -ilf_type(D,set_type) | -ilf_type(A,subset_type(cross_product(C,D))).  [resolve(39,b,37,d)].
% 0.43/1.03  40 -ilf_type(A,set_type) | relation_like(A) | -ilf_type(B,set_type) | -ilf_type(C,set_type) | ordered_pair(B,C) != f9(A) # label(p20) # label(axiom).  [clausify(20)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -ilf_type(C,set_type) | ordered_pair(B,C) != f9(A) | -ilf_type(A,set_type) | ilf_type(A,binary_relation_type).  [resolve(40,b,32,c)].
% 0.43/1.03  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -ilf_type(C,set_type) | ordered_pair(B,C) != f9(A) | -ilf_type(A,set_type) | -ilf_type(D,set_type) | -member(D,A) | ilf_type(f7(A,D),set_type).  [resolve(40,b,38,b)].
% 0.75/1.04  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -ilf_type(C,set_type) | ordered_pair(B,C) != f9(A) | -ilf_type(A,set_type) | -ilf_type(D,set_type) | -member(D,A) | ilf_type(f8(A,D),set_type).  [resolve(40,b,39,b)].
% 0.75/1.04  41 -ilf_type(A,set_type) | -relation_like(A) | -ilf_type(B,set_type) | -member(B,A) | ordered_pair(f7(A,B),f8(A,B)) = B # label(p20) # label(axiom).  [clausify(20)].
% 0.75/1.04  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ordered_pair(f7(A,B),f8(A,B)) = B | -empty(A) | -ilf_type(A,set_type).  [resolve(41,b,33,c)].
% 0.75/1.04  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ordered_pair(f7(A,B),f8(A,B)) = B | -ilf_type(A,set_type) | -ilf_type(A,binary_relation_type).  [resolve(41,b,34,c)].
% 0.75/1.04  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ordered_pair(f7(A,B),f8(A,B)) = B | -ilf_type(A,set_type) | ilf_type(f9(A),set_type).  [resolve(41,b,35,b)].
% 0.75/1.04  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ordered_pair(f7(A,B),f8(A,B)) = B | -ilf_type(A,set_type) | member(f9(A),A).  [resolve(41,b,36,b)].
% 0.75/1.04  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ordered_pair(f7(A,B),f8(A,B)) = B | -ilf_type(C,set_type) | -ilf_type(D,set_type) | -ilf_type(A,subset_type(cross_product(C,D))).  [resolve(41,b,37,d)].
% 0.75/1.04  Derived: -ilf_type(A,set_type) | -ilf_type(B,set_type) | -member(B,A) | ordered_pair(f7(A,B),f8(A,B)) = B | -ilf_type(A,set_type) | -ilf_type(C,set_type) | -ilf_type(D,set_type) | ordered_pair(C,D) != f9(A).  [resolve(41,b,40,b)].
% 0.75/1.04  
% 0.75/1.04  ============================== end predicate elimination =============
% 0.75/1.04  
% 0.75/1.04  Auto_denials:  (non-Horn, no changes).
% 0.75/1.04  
% 0.75/1.04  Term ordering decisions:
% 0.75/1.04  Function symbol KB weights:  set_type=1. binary_relation_type=1. c1=1. c2=1. ordered_pair=1. cross_product=1. relation_type=1. f1=1. f4=1. f5=1. f7=1. f8=1. subset_type=1. power_set=1. identity_relation_of=1. member_type=1. identity_relation_of_type=1. f2=1. f3=1. f6=1. f9=1. f10=1.
% 0.75/1.04  
% 0.75/1.04  ============================== end of process initial clauses ========
% 0.75/1.04  
% 0.75/1.04  ============================== CLAUSES FOR SEARCH ====================
% 0.75/1.04  
% 0.75/1.04  ============================== end of clauses for search =============
% 0.75/1.04  
% 0.75/1.04  ============================== SEARCH ================================
% 0.75/1.04  
% 0.75/1.04  % Starting search at 0.02 seconds.
% 0.75/1.04  
% 0.75/1.04  ============================== PROOF =================================
% 0.75/1.04  % SZS status Theorem
% 0.75/1.04  % SZS output start Refutation
% 0.75/1.04  
% 0.75/1.04  % Proof 1 at 0.03 (+ 0.00) seconds.
% 0.75/1.04  % Length of proof is 37.
% 0.75/1.04  % Level of proof is 9.
% 0.75/1.04  % Maximum clause weight is 11.000.
% 0.75/1.04  % Given clauses 51.
% 0.75/1.04  
% 0.75/1.04  1 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> (all D (ilf_type(D,subset_type(cross_product(B,C))) -> ilf_type(D,relation_type(B,C)))) & (all E (ilf_type(E,relation_type(B,C)) -> ilf_type(E,subset_type(cross_product(B,C))))))))) # label(p1) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.04  3 (all B (ilf_type(B,set_type) -> subset(identity_relation_of(B),cross_product(B,B)))) # label(p3) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.04  6 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> (ilf_type(C,identity_relation_of_type(B)) <-> ilf_type(C,relation_type(B,B))))))) # label(p6) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.04  12 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> (ilf_type(C,subset_type(B)) <-> ilf_type(C,member_type(power_set(B)))))))) # label(p12) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.04  14 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> (subset(B,C) <-> (all D (ilf_type(D,set_type) -> (member(D,B) -> member(D,C))))))))) # label(p14) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.04  16 (all B (ilf_type(B,set_type) -> (all C (ilf_type(C,set_type) -> (member(B,power_set(C)) <-> (all D (ilf_type(D,set_type) -> (member(D,B) -> member(D,C))))))))) # label(p16) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.04  17 (all B (ilf_type(B,set_type) -> -empty(power_set(B)) & ilf_type(power_set(B),set_type))) # label(p17) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.04  18 (all B (ilf_type(B,set_type) -> (all C (-empty(C) & ilf_type(C,set_type) -> (ilf_type(B,member_type(C)) <-> member(B,C)))))) # label(p18) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.04  24 (all B ilf_type(B,set_type)) # label(p24) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.04  25 -(all B (ilf_type(B,set_type) -> ilf_type(identity_relation_of(B),identity_relation_of_type(B)))) # label(prove_relset_1_29) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.75/1.04  26 -ilf_type(A,set_type) | -ilf_type(B,set_type) | -subset(A,B) | -ilf_type(C,set_type) | -member(C,A) | member(C,B) # label(p14) # label(axiom).  [clausify(14)].
% 0.75/1.04  28 -ilf_type(A,set_type) | subset(identity_relation_of(A),cross_product(A,A)) # label(p3) # label(axiom).  [clausify(3)].
% 0.75/1.04  43 ilf_type(A,set_type) # label(p24) # label(axiom).  [clausify(24)].
% 0.75/1.04  44 -ilf_type(identity_relation_of(c2),identity_relation_of_type(c2)) # label(prove_relset_1_29) # label(negated_conjecture).  [clausify(25)].
% 0.75/1.04  45 -ilf_type(A,set_type) | -empty(power_set(A)) # label(p17) # label(axiom).  [clausify(17)].
% 0.75/1.04  46 -empty(power_set(A)).  [copy(45),unit_del(a,43)].
% 0.75/1.04  67 -ilf_type(A,set_type) | -ilf_type(B,set_type) | ilf_type(B,identity_relation_of_type(A)) | -ilf_type(B,relation_type(A,A)) # label(p6) # label(axiom).  [clausify(6)].
% 0.75/1.04  68 ilf_type(A,identity_relation_of_type(B)) | -ilf_type(A,relation_type(B,B)).  [copy(67),unit_del(a,43),unit_del(b,43)].
% 0.75/1.04  71 -ilf_type(A,set_type) | -ilf_type(B,set_type) | ilf_type(B,subset_type(A)) | -ilf_type(B,member_type(power_set(A))) # label(p12) # label(axiom).  [clausify(12)].
% 0.75/1.04  72 ilf_type(A,subset_type(B)) | -ilf_type(A,member_type(power_set(B))).  [copy(71),unit_del(a,43),unit_del(b,43)].
% 0.75/1.04  74 -ilf_type(A,set_type) | -ilf_type(B,set_type) | member(A,power_set(B)) | member(f5(A,B),A) # label(p16) # label(axiom).  [clausify(16)].
% 0.75/1.04  75 member(A,power_set(B)) | member(f5(A,B),A).  [copy(74),unit_del(a,43),unit_del(b,43)].
% 0.75/1.04  76 -ilf_type(A,set_type) | -ilf_type(B,set_type) | member(A,power_set(B)) | -member(f5(A,B),B) # label(p16) # label(axiom).  [clausify(16)].
% 0.75/1.04  77 member(A,power_set(B)) | -member(f5(A,B),B).  [copy(76),unit_del(a,43),unit_del(b,43)].
% 0.75/1.04  80 -ilf_type(A,set_type) | empty(B) | -ilf_type(B,set_type) | ilf_type(A,member_type(B)) | -member(A,B) # label(p18) # label(axiom).  [clausify(18)].
% 0.75/1.04  81 empty(A) | ilf_type(B,member_type(A)) | -member(B,A).  [copy(80),unit_del(a,43),unit_del(c,43)].
% 0.75/1.04  82 -ilf_type(A,set_type) | -ilf_type(B,set_type) | -ilf_type(C,subset_type(cross_product(A,B))) | ilf_type(C,relation_type(A,B)) # label(p1) # label(axiom).  [clausify(1)].
% 0.75/1.04  83 -ilf_type(A,subset_type(cross_product(B,C))) | ilf_type(A,relation_type(B,C)).  [copy(82),unit_del(a,43),unit_del(b,43)].
% 0.75/1.04  94 -ilf_type(identity_relation_of(A),set_type) | -ilf_type(cross_product(A,A),set_type) | -ilf_type(B,set_type) | -member(B,identity_relation_of(A)) | member(B,cross_product(A,A)) | -ilf_type(A,set_type).  [resolve(26,c,28,b)].
% 0.75/1.04  95 -member(A,identity_relation_of(B)) | member(A,cross_product(B,B)).  [copy(94),unit_del(a,43),unit_del(b,43),unit_del(c,43),unit_del(f,43)].
% 0.75/1.04  135 -ilf_type(identity_relation_of(c2),relation_type(c2,c2)).  [ur(68,a,44,a)].
% 0.75/1.04  174 -ilf_type(identity_relation_of(c2),subset_type(cross_product(c2,c2))).  [ur(83,b,135,a)].
% 0.75/1.04  175 -ilf_type(identity_relation_of(c2),member_type(power_set(cross_product(c2,c2)))).  [ur(72,a,174,a)].
% 0.75/1.04  176 -member(identity_relation_of(c2),power_set(cross_product(c2,c2))).  [ur(81,a,46,a,b,175,a)].
% 0.75/1.04  178 -member(f5(identity_relation_of(c2),cross_product(c2,c2)),cross_product(c2,c2)).  [ur(77,a,176,a)].
% 0.75/1.04  202 -member(f5(identity_relation_of(c2),cross_product(c2,c2)),identity_relation_of(c2)).  [ur(95,b,178,a)].
% 0.75/1.04  205 $F.  [resolve(202,a,75,b),unit_del(a,176)].
% 0.75/1.04  
% 0.75/1.04  % SZS output end Refutation
% 0.75/1.04  ============================== end of proof ==========================
% 0.75/1.04  
% 0.75/1.04  ============================== STATISTICS ============================
% 0.75/1.04  
% 0.75/1.04  Given=51. Generated=157. Kept=109. proofs=1.
% 0.75/1.04  Usable=51. Sos=58. Demods=0. Limbo=0, Disabled=74. Hints=0.
% 0.75/1.04  Megabytes=0.24.
% 0.75/1.04  User_CPU=0.03, System_CPU=0.00, Wall_clock=1.
% 0.75/1.04  
% 0.75/1.04  ============================== end of statistics =====================
% 0.75/1.04  
% 0.75/1.04  ============================== end of search =========================
% 0.75/1.04  
% 0.75/1.04  THEOREM PROVED
% 0.75/1.04  % SZS status Theorem
% 0.75/1.04  
% 0.75/1.04  Exiting with 1 proof.
% 0.75/1.04  
% 0.75/1.04  Process 16403 exit (max_proofs) Sun Jul 10 17:32:11 2022
% 0.75/1.04  Prover9 interrupted
%------------------------------------------------------------------------------