TSTP Solution File: SEU171+2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SEU171+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n018.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 : Wed Jul 27 13:15:02 EDT 2022

% Result   : Unknown 67.30s 67.55s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SEU171+2 : TPTP v8.1.0. Released v3.3.0.
% 0.11/0.13  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n018.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 300
% 0.12/0.33  % DateTime : Wed Jul 27 07:37:46 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 2.11/2.30  ----- Otter 3.3f, August 2004 -----
% 2.11/2.30  The process was started by sandbox2 on n018.cluster.edu,
% 2.11/2.30  Wed Jul 27 07:37:46 2022
% 2.11/2.30  The command was "./otter".  The process ID is 1521.
% 2.11/2.30  
% 2.11/2.30  set(prolog_style_variables).
% 2.11/2.30  set(auto).
% 2.11/2.30     dependent: set(auto1).
% 2.11/2.30     dependent: set(process_input).
% 2.11/2.30     dependent: clear(print_kept).
% 2.11/2.30     dependent: clear(print_new_demod).
% 2.11/2.30     dependent: clear(print_back_demod).
% 2.11/2.30     dependent: clear(print_back_sub).
% 2.11/2.30     dependent: set(control_memory).
% 2.11/2.30     dependent: assign(max_mem, 12000).
% 2.11/2.30     dependent: assign(pick_given_ratio, 4).
% 2.11/2.30     dependent: assign(stats_level, 1).
% 2.11/2.30     dependent: assign(max_seconds, 10800).
% 2.11/2.30  clear(print_given).
% 2.11/2.30  
% 2.11/2.30  formula_list(usable).
% 2.11/2.30  all A (A=A).
% 2.11/2.30  all A B (in(A,B)-> -in(B,A)).
% 2.11/2.30  all A B (proper_subset(A,B)-> -proper_subset(B,A)).
% 2.11/2.30  all A B (unordered_pair(A,B)=unordered_pair(B,A)).
% 2.11/2.30  all A B (set_union2(A,B)=set_union2(B,A)).
% 2.11/2.30  all A B (set_intersection2(A,B)=set_intersection2(B,A)).
% 2.11/2.30  all A B (A=B<->subset(A,B)&subset(B,A)).
% 2.11/2.30  all A B (B=singleton(A)<-> (all C (in(C,B)<->C=A))).
% 2.11/2.30  all A (A=empty_set<-> (all B (-in(B,A)))).
% 2.11/2.30  all A B (B=powerset(A)<-> (all C (in(C,B)<->subset(C,A)))).
% 2.11/2.30  all A B ((-empty(A)-> (element(B,A)<->in(B,A)))& (empty(A)-> (element(B,A)<->empty(B)))).
% 2.11/2.30  all A B C (C=unordered_pair(A,B)<-> (all D (in(D,C)<->D=A|D=B))).
% 2.11/2.30  all A B C (C=set_union2(A,B)<-> (all D (in(D,C)<->in(D,A)|in(D,B)))).
% 2.11/2.30  all A B C (C=cartesian_product2(A,B)<-> (all D (in(D,C)<-> (exists E F (in(E,A)&in(F,B)&D=ordered_pair(E,F)))))).
% 2.11/2.30  all A B (subset(A,B)<-> (all C (in(C,A)->in(C,B)))).
% 2.11/2.30  all A B C (C=set_intersection2(A,B)<-> (all D (in(D,C)<->in(D,A)&in(D,B)))).
% 2.11/2.30  all A B (B=union(A)<-> (all C (in(C,B)<-> (exists D (in(C,D)&in(D,A)))))).
% 2.11/2.30  all A B C (C=set_difference(A,B)<-> (all D (in(D,C)<->in(D,A)& -in(D,B)))).
% 2.11/2.30  all A B (element(B,powerset(A))->subset_complement(A,B)=set_difference(A,B)).
% 2.11/2.30  all A B (ordered_pair(A,B)=unordered_pair(unordered_pair(A,B),singleton(A))).
% 2.11/2.30  all A B (disjoint(A,B)<->set_intersection2(A,B)=empty_set).
% 2.11/2.30  all A B (proper_subset(A,B)<->subset(A,B)&A!=B).
% 2.11/2.30  $T.
% 2.11/2.30  $T.
% 2.11/2.30  $T.
% 2.11/2.30  $T.
% 2.11/2.30  $T.
% 2.11/2.30  $T.
% 2.11/2.30  all A B (element(B,powerset(A))->element(subset_complement(A,B),powerset(A))).
% 2.11/2.30  $T.
% 2.11/2.30  $T.
% 2.11/2.30  $T.
% 2.11/2.30  $T.
% 2.11/2.30  $T.
% 2.11/2.30  all A exists B element(B,A).
% 2.11/2.30  all A (-empty(powerset(A))).
% 2.11/2.30  empty(empty_set).
% 2.11/2.30  all A B (-empty(ordered_pair(A,B))).
% 2.11/2.30  all A B (-empty(A)-> -empty(set_union2(A,B))).
% 2.11/2.30  all A B (-empty(A)-> -empty(set_union2(B,A))).
% 2.11/2.30  all A B (set_union2(A,A)=A).
% 2.11/2.30  all A B (set_intersection2(A,A)=A).
% 2.11/2.30  all A B (element(B,powerset(A))->subset_complement(A,subset_complement(A,B))=B).
% 2.11/2.30  all A B (-proper_subset(A,A)).
% 2.11/2.30  all A (singleton(A)!=empty_set).
% 2.11/2.30  all A B (in(A,B)->set_union2(singleton(A),B)=B).
% 2.11/2.30  all A B (-(disjoint(singleton(A),B)&in(A,B))).
% 2.11/2.30  all A B (-in(A,B)->disjoint(singleton(A),B)).
% 2.11/2.30  all A B (subset(singleton(A),B)<->in(A,B)).
% 2.11/2.30  all A B (set_difference(A,B)=empty_set<->subset(A,B)).
% 2.11/2.30  all A B (element(B,powerset(A))-> (all C (in(C,B)->in(C,A)))).
% 2.11/2.30  all A B C (subset(A,B)->in(C,A)|subset(A,set_difference(B,singleton(C)))).
% 2.11/2.30  all A B (subset(A,singleton(B))<->A=empty_set|A=singleton(B)).
% 2.11/2.30  all A B (in(A,B)->subset(A,union(B))).
% 2.11/2.30  all A B C D (in(ordered_pair(A,B),cartesian_product2(C,D))<->in(A,C)&in(B,D)).
% 2.11/2.30  all A (-empty(A)-> (exists B (element(B,powerset(A))& -empty(B)))).
% 2.11/2.30  exists A empty(A).
% 2.11/2.30  all A exists B (element(B,powerset(A))&empty(B)).
% 2.11/2.30  exists A (-empty(A)).
% 2.11/2.30  all A B subset(A,A).
% 2.11/2.30  all A B (disjoint(A,B)->disjoint(B,A)).
% 2.11/2.30  all A B C D (in(ordered_pair(A,B),cartesian_product2(C,D))<->in(A,C)&in(B,D)).
% 2.11/2.30  all A B C D (-(unordered_pair(A,B)=unordered_pair(C,D)&A!=C&A!=D)).
% 2.11/2.30  all A B C (subset(A,B)->subset(cartesian_product2(A,C),cartesian_product2(B,C))&subset(cartesian_product2(C,A),cartesian_product2(C,B))).
% 2.11/2.30  all A B C D (subset(A,B)&subset(C,D)->subset(cartesian_product2(A,C),cartesian_product2(B,D))).
% 2.11/2.30  all A B (subset(A,B)->set_union2(A,B)=B).
% 2.11/2.30  all A exists B (in(A,B)& (all C D (in(C,B)&subset(D,C)->in(D,B)))& (all C (in(C,B)->in(powerset(C),B)))& (all C (-(subset(C,B)& -are_e_quipotent(C,B)& -in(C,B))))).
% 2.11/2.30  all A B subset(set_intersection2(A,B),A).
% 2.11/2.30  all A B C (subset(A,B)&subset(A,C)->subset(A,set_intersection2(B,C))).
% 2.11/2.30  all A (set_union2(A,empty_set)=A).
% 2.11/2.30  all A B C (subset(A,B)&subset(B,C)->subset(A,C)).
% 2.11/2.30  powerset(empty_set)=singleton(empty_set).
% 2.11/2.30  all A B C (subset(A,B)->subset(set_intersection2(A,C),set_intersection2(B,C))).
% 2.11/2.30  all A B (subset(A,B)->set_intersection2(A,B)=A).
% 2.11/2.30  all A (set_intersection2(A,empty_set)=empty_set).
% 2.11/2.30  all A B ((all C (in(C,A)<->in(C,B)))->A=B).
% 2.11/2.30  all A subset(empty_set,A).
% 2.11/2.30  all A B C (subset(A,B)->subset(set_difference(A,C),set_difference(B,C))).
% 2.11/2.30  all A B C D (ordered_pair(A,B)=ordered_pair(C,D)->A=C&B=D).
% 2.11/2.30  all A B subset(set_difference(A,B),A).
% 2.11/2.30  all A B (set_difference(A,B)=empty_set<->subset(A,B)).
% 2.11/2.30  all A B (subset(singleton(A),B)<->in(A,B)).
% 2.11/2.30  all A B C (subset(unordered_pair(A,B),C)<->in(A,C)&in(B,C)).
% 2.11/2.30  all A B (set_union2(A,set_difference(B,A))=set_union2(A,B)).
% 2.11/2.30  all A B (subset(A,singleton(B))<->A=empty_set|A=singleton(B)).
% 2.11/2.30  all A (set_difference(A,empty_set)=A).
% 2.11/2.30  all A B (-(-disjoint(A,B)& (all C (-(in(C,A)&in(C,B)))))& -((exists C (in(C,A)&in(C,B)))&disjoint(A,B))).
% 2.11/2.30  all A (subset(A,empty_set)->A=empty_set).
% 2.11/2.30  all A B (set_difference(set_union2(A,B),B)=set_difference(A,B)).
% 2.11/2.30  all A B (element(B,powerset(A))-> (all C (element(C,powerset(A))-> (disjoint(B,C)<->subset(B,subset_complement(A,C)))))).
% 2.11/2.30  all A B (subset(A,B)->B=set_union2(A,set_difference(B,A))).
% 2.11/2.30  all A B (in(A,B)->set_union2(singleton(A),B)=B).
% 2.11/2.30  all A B (set_difference(A,set_difference(A,B))=set_intersection2(A,B)).
% 2.11/2.30  all A (set_difference(empty_set,A)=empty_set).
% 2.11/2.30  all A B (-(-disjoint(A,B)& (all C (-in(C,set_intersection2(A,B)))))& -((exists C in(C,set_intersection2(A,B)))&disjoint(A,B))).
% 2.11/2.30  -(all A (A!=empty_set-> (all B (element(B,powerset(A))-> (all C (element(C,A)-> (-in(C,B)->in(C,subset_complement(A,B))))))))).
% 2.11/2.30  all A B (-(subset(A,B)&proper_subset(B,A))).
% 2.11/2.30  all A B C (subset(A,B)&disjoint(B,C)->disjoint(A,C)).
% 2.11/2.30  all A B (set_difference(A,singleton(B))=A<-> -in(B,A)).
% 2.11/2.30  all A (unordered_pair(A,A)=singleton(A)).
% 2.11/2.30  all A (empty(A)->A=empty_set).
% 2.11/2.30  all A B (subset(singleton(A),singleton(B))->A=B).
% 2.11/2.30  all A B (-(in(A,B)&empty(B))).
% 2.11/2.30  all A B subset(A,set_union2(A,B)).
% 2.11/2.30  all A B (disjoint(A,B)<->set_difference(A,B)=A).
% 2.11/2.30  all A B (-(empty(A)&A!=B&empty(B))).
% 2.11/2.30  all A B C (subset(A,B)&subset(C,B)->subset(set_union2(A,C),B)).
% 2.11/2.30  all A B C (singleton(A)=unordered_pair(B,C)->A=B).
% 2.11/2.30  all A B (in(A,B)->subset(A,union(B))).
% 2.11/2.30  all A (union(powerset(A))=A).
% 2.11/2.30  all A exists B (in(A,B)& (all C D (in(C,B)&subset(D,C)->in(D,B)))& (all C (-(in(C,B)& (all D (-(in(D,B)& (all E (subset(E,C)->in(E,D)))))))))& (all C (-(subset(C,B)& -are_e_quipotent(C,B)& -in(C,B))))).
% 2.11/2.30  all A B C (singleton(A)=unordered_pair(B,C)->B=C).
% 2.11/2.30  end_of_list.
% 2.11/2.30  
% 2.11/2.30  -------> usable clausifies to:
% 2.11/2.30  
% 2.11/2.30  list(usable).
% 2.11/2.30  0 [] A=A.
% 2.11/2.30  0 [] -in(A,B)| -in(B,A).
% 2.11/2.30  0 [] -proper_subset(A,B)| -proper_subset(B,A).
% 2.11/2.30  0 [] unordered_pair(A,B)=unordered_pair(B,A).
% 2.11/2.30  0 [] set_union2(A,B)=set_union2(B,A).
% 2.11/2.30  0 [] set_intersection2(A,B)=set_intersection2(B,A).
% 2.11/2.30  0 [] A!=B|subset(A,B).
% 2.11/2.30  0 [] A!=B|subset(B,A).
% 2.11/2.30  0 [] A=B| -subset(A,B)| -subset(B,A).
% 2.11/2.30  0 [] B!=singleton(A)| -in(C,B)|C=A.
% 2.11/2.30  0 [] B!=singleton(A)|in(C,B)|C!=A.
% 2.11/2.30  0 [] B=singleton(A)|in($f1(A,B),B)|$f1(A,B)=A.
% 2.11/2.30  0 [] B=singleton(A)| -in($f1(A,B),B)|$f1(A,B)!=A.
% 2.11/2.30  0 [] A!=empty_set| -in(B,A).
% 2.11/2.30  0 [] A=empty_set|in($f2(A),A).
% 2.11/2.30  0 [] B!=powerset(A)| -in(C,B)|subset(C,A).
% 2.11/2.30  0 [] B!=powerset(A)|in(C,B)| -subset(C,A).
% 2.11/2.30  0 [] B=powerset(A)|in($f3(A,B),B)|subset($f3(A,B),A).
% 2.11/2.30  0 [] B=powerset(A)| -in($f3(A,B),B)| -subset($f3(A,B),A).
% 2.11/2.30  0 [] empty(A)| -element(B,A)|in(B,A).
% 2.11/2.30  0 [] empty(A)|element(B,A)| -in(B,A).
% 2.11/2.30  0 [] -empty(A)| -element(B,A)|empty(B).
% 2.11/2.30  0 [] -empty(A)|element(B,A)| -empty(B).
% 2.11/2.30  0 [] C!=unordered_pair(A,B)| -in(D,C)|D=A|D=B.
% 2.11/2.30  0 [] C!=unordered_pair(A,B)|in(D,C)|D!=A.
% 2.11/2.30  0 [] C!=unordered_pair(A,B)|in(D,C)|D!=B.
% 2.11/2.30  0 [] C=unordered_pair(A,B)|in($f4(A,B,C),C)|$f4(A,B,C)=A|$f4(A,B,C)=B.
% 2.11/2.30  0 [] C=unordered_pair(A,B)| -in($f4(A,B,C),C)|$f4(A,B,C)!=A.
% 2.11/2.30  0 [] C=unordered_pair(A,B)| -in($f4(A,B,C),C)|$f4(A,B,C)!=B.
% 2.11/2.30  0 [] C!=set_union2(A,B)| -in(D,C)|in(D,A)|in(D,B).
% 2.11/2.30  0 [] C!=set_union2(A,B)|in(D,C)| -in(D,A).
% 2.11/2.30  0 [] C!=set_union2(A,B)|in(D,C)| -in(D,B).
% 2.11/2.30  0 [] C=set_union2(A,B)|in($f5(A,B,C),C)|in($f5(A,B,C),A)|in($f5(A,B,C),B).
% 2.11/2.30  0 [] C=set_union2(A,B)| -in($f5(A,B,C),C)| -in($f5(A,B,C),A).
% 2.11/2.30  0 [] C=set_union2(A,B)| -in($f5(A,B,C),C)| -in($f5(A,B,C),B).
% 2.11/2.30  0 [] C!=cartesian_product2(A,B)| -in(D,C)|in($f7(A,B,C,D),A).
% 2.11/2.30  0 [] C!=cartesian_product2(A,B)| -in(D,C)|in($f6(A,B,C,D),B).
% 2.11/2.30  0 [] C!=cartesian_product2(A,B)| -in(D,C)|D=ordered_pair($f7(A,B,C,D),$f6(A,B,C,D)).
% 2.11/2.30  0 [] C!=cartesian_product2(A,B)|in(D,C)| -in(E,A)| -in(F,B)|D!=ordered_pair(E,F).
% 2.11/2.30  0 [] C=cartesian_product2(A,B)|in($f10(A,B,C),C)|in($f9(A,B,C),A).
% 2.11/2.30  0 [] C=cartesian_product2(A,B)|in($f10(A,B,C),C)|in($f8(A,B,C),B).
% 2.11/2.30  0 [] C=cartesian_product2(A,B)|in($f10(A,B,C),C)|$f10(A,B,C)=ordered_pair($f9(A,B,C),$f8(A,B,C)).
% 2.11/2.30  0 [] C=cartesian_product2(A,B)| -in($f10(A,B,C),C)| -in(X1,A)| -in(X2,B)|$f10(A,B,C)!=ordered_pair(X1,X2).
% 2.11/2.30  0 [] -subset(A,B)| -in(C,A)|in(C,B).
% 2.11/2.30  0 [] subset(A,B)|in($f11(A,B),A).
% 2.11/2.30  0 [] subset(A,B)| -in($f11(A,B),B).
% 2.11/2.30  0 [] C!=set_intersection2(A,B)| -in(D,C)|in(D,A).
% 2.11/2.30  0 [] C!=set_intersection2(A,B)| -in(D,C)|in(D,B).
% 2.11/2.30  0 [] C!=set_intersection2(A,B)|in(D,C)| -in(D,A)| -in(D,B).
% 2.11/2.30  0 [] C=set_intersection2(A,B)|in($f12(A,B,C),C)|in($f12(A,B,C),A).
% 2.11/2.30  0 [] C=set_intersection2(A,B)|in($f12(A,B,C),C)|in($f12(A,B,C),B).
% 2.11/2.30  0 [] C=set_intersection2(A,B)| -in($f12(A,B,C),C)| -in($f12(A,B,C),A)| -in($f12(A,B,C),B).
% 2.11/2.30  0 [] B!=union(A)| -in(C,B)|in(C,$f13(A,B,C)).
% 2.11/2.30  0 [] B!=union(A)| -in(C,B)|in($f13(A,B,C),A).
% 2.11/2.30  0 [] B!=union(A)|in(C,B)| -in(C,D)| -in(D,A).
% 2.11/2.30  0 [] B=union(A)|in($f15(A,B),B)|in($f15(A,B),$f14(A,B)).
% 2.11/2.30  0 [] B=union(A)|in($f15(A,B),B)|in($f14(A,B),A).
% 2.11/2.30  0 [] B=union(A)| -in($f15(A,B),B)| -in($f15(A,B),X3)| -in(X3,A).
% 2.11/2.30  0 [] C!=set_difference(A,B)| -in(D,C)|in(D,A).
% 2.11/2.30  0 [] C!=set_difference(A,B)| -in(D,C)| -in(D,B).
% 2.11/2.30  0 [] C!=set_difference(A,B)|in(D,C)| -in(D,A)|in(D,B).
% 2.11/2.30  0 [] C=set_difference(A,B)|in($f16(A,B,C),C)|in($f16(A,B,C),A).
% 2.11/2.30  0 [] C=set_difference(A,B)|in($f16(A,B,C),C)| -in($f16(A,B,C),B).
% 2.11/2.30  0 [] C=set_difference(A,B)| -in($f16(A,B,C),C)| -in($f16(A,B,C),A)|in($f16(A,B,C),B).
% 2.11/2.30  0 [] -element(B,powerset(A))|subset_complement(A,B)=set_difference(A,B).
% 2.11/2.30  0 [] ordered_pair(A,B)=unordered_pair(unordered_pair(A,B),singleton(A)).
% 2.11/2.30  0 [] -disjoint(A,B)|set_intersection2(A,B)=empty_set.
% 2.11/2.30  0 [] disjoint(A,B)|set_intersection2(A,B)!=empty_set.
% 2.11/2.30  0 [] -proper_subset(A,B)|subset(A,B).
% 2.11/2.30  0 [] -proper_subset(A,B)|A!=B.
% 2.11/2.30  0 [] proper_subset(A,B)| -subset(A,B)|A=B.
% 2.11/2.30  0 [] $T.
% 2.11/2.30  0 [] $T.
% 2.11/2.30  0 [] $T.
% 2.11/2.30  0 [] $T.
% 2.11/2.30  0 [] $T.
% 2.11/2.30  0 [] $T.
% 2.11/2.30  0 [] -element(B,powerset(A))|element(subset_complement(A,B),powerset(A)).
% 2.11/2.30  0 [] $T.
% 2.11/2.30  0 [] $T.
% 2.11/2.30  0 [] $T.
% 2.11/2.30  0 [] $T.
% 2.11/2.30  0 [] $T.
% 2.11/2.30  0 [] element($f17(A),A).
% 2.11/2.30  0 [] -empty(powerset(A)).
% 2.11/2.30  0 [] empty(empty_set).
% 2.11/2.30  0 [] -empty(ordered_pair(A,B)).
% 2.11/2.30  0 [] empty(A)| -empty(set_union2(A,B)).
% 2.11/2.30  0 [] empty(A)| -empty(set_union2(B,A)).
% 2.11/2.30  0 [] set_union2(A,A)=A.
% 2.11/2.30  0 [] set_intersection2(A,A)=A.
% 2.11/2.30  0 [] -element(B,powerset(A))|subset_complement(A,subset_complement(A,B))=B.
% 2.11/2.30  0 [] -proper_subset(A,A).
% 2.11/2.30  0 [] singleton(A)!=empty_set.
% 2.11/2.30  0 [] -in(A,B)|set_union2(singleton(A),B)=B.
% 2.11/2.30  0 [] -disjoint(singleton(A),B)| -in(A,B).
% 2.11/2.30  0 [] in(A,B)|disjoint(singleton(A),B).
% 2.11/2.30  0 [] -subset(singleton(A),B)|in(A,B).
% 2.11/2.30  0 [] subset(singleton(A),B)| -in(A,B).
% 2.11/2.30  0 [] set_difference(A,B)!=empty_set|subset(A,B).
% 2.11/2.30  0 [] set_difference(A,B)=empty_set| -subset(A,B).
% 2.11/2.30  0 [] -element(B,powerset(A))| -in(C,B)|in(C,A).
% 2.11/2.30  0 [] -subset(A,B)|in(C,A)|subset(A,set_difference(B,singleton(C))).
% 2.11/2.30  0 [] -subset(A,singleton(B))|A=empty_set|A=singleton(B).
% 2.11/2.30  0 [] subset(A,singleton(B))|A!=empty_set.
% 2.11/2.30  0 [] subset(A,singleton(B))|A!=singleton(B).
% 2.11/2.30  0 [] -in(A,B)|subset(A,union(B)).
% 2.11/2.30  0 [] -in(ordered_pair(A,B),cartesian_product2(C,D))|in(A,C).
% 2.11/2.30  0 [] -in(ordered_pair(A,B),cartesian_product2(C,D))|in(B,D).
% 2.11/2.30  0 [] in(ordered_pair(A,B),cartesian_product2(C,D))| -in(A,C)| -in(B,D).
% 2.11/2.30  0 [] empty(A)|element($f18(A),powerset(A)).
% 2.11/2.30  0 [] empty(A)| -empty($f18(A)).
% 2.11/2.30  0 [] empty($c1).
% 2.11/2.30  0 [] element($f19(A),powerset(A)).
% 2.11/2.30  0 [] empty($f19(A)).
% 2.11/2.30  0 [] -empty($c2).
% 2.11/2.30  0 [] subset(A,A).
% 2.11/2.30  0 [] -disjoint(A,B)|disjoint(B,A).
% 2.11/2.30  0 [] -in(ordered_pair(A,B),cartesian_product2(C,D))|in(A,C).
% 2.11/2.30  0 [] -in(ordered_pair(A,B),cartesian_product2(C,D))|in(B,D).
% 2.11/2.30  0 [] in(ordered_pair(A,B),cartesian_product2(C,D))| -in(A,C)| -in(B,D).
% 2.11/2.30  0 [] unordered_pair(A,B)!=unordered_pair(C,D)|A=C|A=D.
% 2.11/2.30  0 [] -subset(A,B)|subset(cartesian_product2(A,C),cartesian_product2(B,C)).
% 2.11/2.30  0 [] -subset(A,B)|subset(cartesian_product2(C,A),cartesian_product2(C,B)).
% 2.11/2.30  0 [] -subset(A,B)| -subset(C,D)|subset(cartesian_product2(A,C),cartesian_product2(B,D)).
% 2.11/2.30  0 [] -subset(A,B)|set_union2(A,B)=B.
% 2.11/2.30  0 [] in(A,$f20(A)).
% 2.11/2.30  0 [] -in(C,$f20(A))| -subset(D,C)|in(D,$f20(A)).
% 2.11/2.30  0 [] -in(X4,$f20(A))|in(powerset(X4),$f20(A)).
% 2.11/2.30  0 [] -subset(X5,$f20(A))|are_e_quipotent(X5,$f20(A))|in(X5,$f20(A)).
% 2.11/2.30  0 [] subset(set_intersection2(A,B),A).
% 2.11/2.30  0 [] -subset(A,B)| -subset(A,C)|subset(A,set_intersection2(B,C)).
% 2.11/2.30  0 [] set_union2(A,empty_set)=A.
% 2.11/2.30  0 [] -subset(A,B)| -subset(B,C)|subset(A,C).
% 2.11/2.30  0 [] powerset(empty_set)=singleton(empty_set).
% 2.11/2.30  0 [] -subset(A,B)|subset(set_intersection2(A,C),set_intersection2(B,C)).
% 2.11/2.30  0 [] -subset(A,B)|set_intersection2(A,B)=A.
% 2.11/2.30  0 [] set_intersection2(A,empty_set)=empty_set.
% 2.11/2.30  0 [] in($f21(A,B),A)|in($f21(A,B),B)|A=B.
% 2.11/2.30  0 [] -in($f21(A,B),A)| -in($f21(A,B),B)|A=B.
% 2.11/2.30  0 [] subset(empty_set,A).
% 2.11/2.30  0 [] -subset(A,B)|subset(set_difference(A,C),set_difference(B,C)).
% 2.11/2.30  0 [] ordered_pair(A,B)!=ordered_pair(C,D)|A=C.
% 2.11/2.30  0 [] ordered_pair(A,B)!=ordered_pair(C,D)|B=D.
% 2.11/2.30  0 [] subset(set_difference(A,B),A).
% 2.11/2.30  0 [] set_difference(A,B)!=empty_set|subset(A,B).
% 2.11/2.30  0 [] set_difference(A,B)=empty_set| -subset(A,B).
% 2.11/2.30  0 [] -subset(singleton(A),B)|in(A,B).
% 2.11/2.30  0 [] subset(singleton(A),B)| -in(A,B).
% 2.11/2.30  0 [] -subset(unordered_pair(A,B),C)|in(A,C).
% 2.11/2.30  0 [] -subset(unordered_pair(A,B),C)|in(B,C).
% 2.11/2.30  0 [] subset(unordered_pair(A,B),C)| -in(A,C)| -in(B,C).
% 2.11/2.30  0 [] set_union2(A,set_difference(B,A))=set_union2(A,B).
% 2.11/2.30  0 [] -subset(A,singleton(B))|A=empty_set|A=singleton(B).
% 2.11/2.30  0 [] subset(A,singleton(B))|A!=empty_set.
% 2.11/2.30  0 [] subset(A,singleton(B))|A!=singleton(B).
% 2.11/2.30  0 [] set_difference(A,empty_set)=A.
% 2.11/2.30  0 [] disjoint(A,B)|in($f22(A,B),A).
% 2.11/2.30  0 [] disjoint(A,B)|in($f22(A,B),B).
% 2.11/2.30  0 [] -in(C,A)| -in(C,B)| -disjoint(A,B).
% 2.11/2.30  0 [] -subset(A,empty_set)|A=empty_set.
% 2.11/2.30  0 [] set_difference(set_union2(A,B),B)=set_difference(A,B).
% 2.11/2.30  0 [] -element(B,powerset(A))| -element(C,powerset(A))| -disjoint(B,C)|subset(B,subset_complement(A,C)).
% 2.11/2.30  0 [] -element(B,powerset(A))| -element(C,powerset(A))|disjoint(B,C)| -subset(B,subset_complement(A,C)).
% 2.11/2.30  0 [] -subset(A,B)|B=set_union2(A,set_difference(B,A)).
% 2.11/2.30  0 [] -in(A,B)|set_union2(singleton(A),B)=B.
% 2.11/2.30  0 [] set_difference(A,set_difference(A,B))=set_intersection2(A,B).
% 2.11/2.30  0 [] set_difference(empty_set,A)=empty_set.
% 2.11/2.30  0 [] disjoint(A,B)|in($f23(A,B),set_intersection2(A,B)).
% 2.11/2.30  0 [] -in(C,set_intersection2(A,B))| -disjoint(A,B).
% 2.11/2.30  0 [] $c5!=empty_set.
% 2.11/2.30  0 [] element($c4,powerset($c5)).
% 2.11/2.30  0 [] element($c3,$c5).
% 2.11/2.30  0 [] -in($c3,$c4).
% 2.11/2.30  0 [] -in($c3,subset_complement($c5,$c4)).
% 2.11/2.30  0 [] -subset(A,B)| -proper_subset(B,A).
% 2.11/2.30  0 [] -subset(A,B)| -disjoint(B,C)|disjoint(A,C).
% 2.11/2.30  0 [] set_difference(A,singleton(B))!=A| -in(B,A).
% 2.11/2.30  0 [] set_difference(A,singleton(B))=A|in(B,A).
% 2.11/2.30  0 [] unordered_pair(A,A)=singleton(A).
% 2.11/2.30  0 [] -empty(A)|A=empty_set.
% 2.11/2.30  0 [] -subset(singleton(A),singleton(B))|A=B.
% 2.11/2.30  0 [] -in(A,B)| -empty(B).
% 2.11/2.30  0 [] subset(A,set_union2(A,B)).
% 2.11/2.30  0 [] -disjoint(A,B)|set_difference(A,B)=A.
% 2.11/2.30  0 [] disjoint(A,B)|set_difference(A,B)!=A.
% 2.11/2.30  0 [] -empty(A)|A=B| -empty(B).
% 2.11/2.30  0 [] -subset(A,B)| -subset(C,B)|subset(set_union2(A,C),B).
% 2.11/2.30  0 [] singleton(A)!=unordered_pair(B,C)|A=B.
% 2.11/2.30  0 [] -in(A,B)|subset(A,union(B)).
% 2.11/2.30  0 [] union(powerset(A))=A.
% 2.11/2.30  0 [] in(A,$f25(A)).
% 2.11/2.30  0 [] -in(C,$f25(A))| -subset(D,C)|in(D,$f25(A)).
% 2.11/2.30  0 [] -in(X6,$f25(A))|in($f24(A,X6),$f25(A)).
% 2.11/2.30  0 [] -in(X6,$f25(A))| -subset(E,X6)|in(E,$f24(A,X6)).
% 2.11/2.30  0 [] -subset(X7,$f25(A))|are_e_quipotent(X7,$f25(A))|in(X7,$f25(A)).
% 2.11/2.30  0 [] singleton(A)!=unordered_pair(B,C)|B=C.
% 2.11/2.30  end_of_list.
% 2.11/2.30  
% 2.11/2.30  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=5.
% 2.11/2.30  
% 2.11/2.30  This ia a non-Horn set with equality.  The strategy will be
% 2.11/2.30  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 2.11/2.30  deletion, with positive clauses in sos and nonpositive
% 2.11/2.30  clauses in usable.
% 2.11/2.30  
% 2.11/2.30     dependent: set(knuth_bendix).
% 2.11/2.30     dependent: set(anl_eq).
% 2.11/2.30     dependent: set(para_from).
% 2.11/2.30     dependent: set(para_into).
% 2.11/2.30     dependent: clear(para_from_right).
% 2.11/2.30     dependent: clear(para_into_right).
% 2.11/2.30     dependent: set(para_from_vars).
% 2.11/2.30     dependent: set(eq_units_both_ways).
% 2.11/2.30     dependent: set(dynamic_demod_all).
% 2.11/2.30     dependent: set(dynamic_demod).
% 2.11/2.30     dependent: set(order_eq).
% 2.11/2.30     dependent: set(back_demod).
% 2.11/2.30     dependent: set(lrpo).
% 2.11/2.30     dependent: set(hyper_res).
% 2.11/2.30     dependent: set(unit_deletion).
% 2.11/2.30     dependent: set(factor).
% 2.11/2.30  
% 2.11/2.30  ------------> process usable:
% 2.11/2.30  ** KEPT (pick-wt=6): 1 [] -in(A,B)| -in(B,A).
% 2.11/2.30  ** KEPT (pick-wt=6): 2 [] -proper_subset(A,B)| -proper_subset(B,A).
% 2.11/2.30  ** KEPT (pick-wt=6): 3 [] A!=B|subset(A,B).
% 2.11/2.30  ** KEPT (pick-wt=6): 4 [] A!=B|subset(B,A).
% 2.11/2.30  ** KEPT (pick-wt=9): 5 [] A=B| -subset(A,B)| -subset(B,A).
% 2.11/2.30  ** KEPT (pick-wt=10): 6 [] A!=singleton(B)| -in(C,A)|C=B.
% 2.11/2.30  ** KEPT (pick-wt=10): 7 [] A!=singleton(B)|in(C,A)|C!=B.
% 2.11/2.30  ** KEPT (pick-wt=14): 8 [] A=singleton(B)| -in($f1(B,A),A)|$f1(B,A)!=B.
% 2.11/2.30  ** KEPT (pick-wt=6): 9 [] A!=empty_set| -in(B,A).
% 2.11/2.30  ** KEPT (pick-wt=10): 10 [] A!=powerset(B)| -in(C,A)|subset(C,B).
% 2.11/2.30  ** KEPT (pick-wt=10): 11 [] A!=powerset(B)|in(C,A)| -subset(C,B).
% 2.11/2.30  ** KEPT (pick-wt=14): 12 [] A=powerset(B)| -in($f3(B,A),A)| -subset($f3(B,A),B).
% 2.11/2.30  ** KEPT (pick-wt=8): 13 [] empty(A)| -element(B,A)|in(B,A).
% 2.11/2.30  ** KEPT (pick-wt=8): 14 [] empty(A)|element(B,A)| -in(B,A).
% 2.11/2.30  ** KEPT (pick-wt=7): 15 [] -empty(A)| -element(B,A)|empty(B).
% 2.11/2.30  ** KEPT (pick-wt=7): 16 [] -empty(A)|element(B,A)| -empty(B).
% 2.11/2.30  ** KEPT (pick-wt=14): 17 [] A!=unordered_pair(B,C)| -in(D,A)|D=B|D=C.
% 2.11/2.30  ** KEPT (pick-wt=11): 18 [] A!=unordered_pair(B,C)|in(D,A)|D!=B.
% 2.11/2.30  ** KEPT (pick-wt=11): 19 [] A!=unordered_pair(B,C)|in(D,A)|D!=C.
% 2.11/2.30  ** KEPT (pick-wt=17): 20 [] A=unordered_pair(B,C)| -in($f4(B,C,A),A)|$f4(B,C,A)!=B.
% 2.11/2.30  ** KEPT (pick-wt=17): 21 [] A=unordered_pair(B,C)| -in($f4(B,C,A),A)|$f4(B,C,A)!=C.
% 2.11/2.30  ** KEPT (pick-wt=14): 22 [] A!=set_union2(B,C)| -in(D,A)|in(D,B)|in(D,C).
% 2.11/2.30  ** KEPT (pick-wt=11): 23 [] A!=set_union2(B,C)|in(D,A)| -in(D,B).
% 2.11/2.30  ** KEPT (pick-wt=11): 24 [] A!=set_union2(B,C)|in(D,A)| -in(D,C).
% 2.11/2.30  ** KEPT (pick-wt=17): 25 [] A=set_union2(B,C)| -in($f5(B,C,A),A)| -in($f5(B,C,A),B).
% 2.11/2.30  ** KEPT (pick-wt=17): 26 [] A=set_union2(B,C)| -in($f5(B,C,A),A)| -in($f5(B,C,A),C).
% 2.11/2.30  ** KEPT (pick-wt=15): 27 [] A!=cartesian_product2(B,C)| -in(D,A)|in($f7(B,C,A,D),B).
% 2.11/2.30  ** KEPT (pick-wt=15): 28 [] A!=cartesian_product2(B,C)| -in(D,A)|in($f6(B,C,A,D),C).
% 2.11/2.30  ** KEPT (pick-wt=21): 30 [copy,29,flip.3] A!=cartesian_product2(B,C)| -in(D,A)|ordered_pair($f7(B,C,A,D),$f6(B,C,A,D))=D.
% 2.11/2.30  ** KEPT (pick-wt=19): 31 [] A!=cartesian_product2(B,C)|in(D,A)| -in(E,B)| -in(F,C)|D!=ordered_pair(E,F).
% 2.11/2.30  ** KEPT (pick-wt=25): 32 [] A=cartesian_product2(B,C)| -in($f10(B,C,A),A)| -in(D,B)| -in(E,C)|$f10(B,C,A)!=ordered_pair(D,E).
% 2.11/2.30  ** KEPT (pick-wt=9): 33 [] -subset(A,B)| -in(C,A)|in(C,B).
% 2.11/2.30  ** KEPT (pick-wt=8): 34 [] subset(A,B)| -in($f11(A,B),B).
% 2.11/2.30  ** KEPT (pick-wt=11): 35 [] A!=set_intersection2(B,C)| -in(D,A)|in(D,B).
% 2.11/2.30  ** KEPT (pick-wt=11): 36 [] A!=set_intersection2(B,C)| -in(D,A)|in(D,C).
% 2.11/2.30  ** KEPT (pick-wt=14): 37 [] A!=set_intersection2(B,C)|in(D,A)| -in(D,B)| -in(D,C).
% 2.11/2.30  ** KEPT (pick-wt=23): 38 [] A=set_intersection2(B,C)| -in($f12(B,C,A),A)| -in($f12(B,C,A),B)| -in($f12(B,C,A),C).
% 2.11/2.30  ** KEPT (pick-wt=13): 39 [] A!=union(B)| -in(C,A)|in(C,$f13(B,A,C)).
% 2.11/2.30  ** KEPT (pick-wt=13): 40 [] A!=union(B)| -in(C,A)|in($f13(B,A,C),B).
% 2.11/2.30  ** KEPT (pick-wt=13): 41 [] A!=union(B)|in(C,A)| -in(C,D)| -in(D,B).
% 2.11/2.30  ** KEPT (pick-wt=17): 42 [] A=union(B)| -in($f15(B,A),A)| -in($f15(B,A),C)| -in(C,B).
% 2.11/2.30  ** KEPT (pick-wt=11): 43 [] A!=set_difference(B,C)| -in(D,A)|in(D,B).
% 2.11/2.30  ** KEPT (pick-wt=11): 44 [] A!=set_difference(B,C)| -in(D,A)| -in(D,C).
% 2.11/2.30  ** KEPT (pick-wt=14): 45 [] A!=set_difference(B,C)|in(D,A)| -in(D,B)|in(D,C).
% 2.11/2.30  ** KEPT (pick-wt=17): 46 [] A=set_difference(B,C)|in($f16(B,C,A),A)| -in($f16(B,C,A),C).
% 2.11/2.30  ** KEPT (pick-wt=23): 47 [] A=set_difference(B,C)| -in($f16(B,C,A),A)| -in($f16(B,C,A),B)|in($f16(B,C,A),C).
% 2.11/2.30  ** KEPT (pick-wt=11): 48 [] -element(A,powerset(B))|subset_complement(B,A)=set_difference(B,A).
% 2.11/2.30  ** KEPT (pick-wt=8): 49 [] -disjoint(A,B)|set_intersection2(A,B)=empty_set.
% 2.11/2.30  ** KEPT (pick-wt=8): 50 [] disjoint(A,B)|set_intersection2(A,B)!=empty_set.
% 2.11/2.30  ** KEPT (pick-wt=6): 51 [] -proper_subset(A,B)|subset(A,B).
% 2.11/2.30  ** KEPT (pick-wt=6): 52 [] -proper_subset(A,B)|A!=B.
% 2.11/2.30  ** KEPT (pick-wt=9): 53 [] proper_subset(A,B)| -subset(A,B)|A=B.
% 2.11/2.30  ** KEPT (pick-wt=10): 54 [] -element(A,powerset(B))|element(subset_complement(B,A),powerset(B)).
% 2.11/2.30  ** KEPT (pick-wt=3): 55 [] -empty(powerset(A)).
% 2.11/2.30  ** KEPT (pick-wt=4): 56 [] -empty(ordered_pair(A,B)).
% 2.11/2.31  ** KEPT (pick-wt=6): 57 [] empty(A)| -empty(set_union2(A,B)).
% 2.11/2.31  ** KEPT (pick-wt=6): 58 [] empty(A)| -empty(set_union2(B,A)).
% 2.11/2.31  ** KEPT (pick-wt=11): 59 [] -element(A,powerset(B))|subset_complement(B,subset_complement(B,A))=A.
% 2.11/2.31  ** KEPT (pick-wt=3): 60 [] -proper_subset(A,A).
% 2.11/2.31  ** KEPT (pick-wt=4): 61 [] singleton(A)!=empty_set.
% 2.11/2.31  ** KEPT (pick-wt=9): 62 [] -in(A,B)|set_union2(singleton(A),B)=B.
% 2.11/2.31  ** KEPT (pick-wt=7): 63 [] -disjoint(singleton(A),B)| -in(A,B).
% 2.11/2.31  ** KEPT (pick-wt=7): 64 [] -subset(singleton(A),B)|in(A,B).
% 2.11/2.31  ** KEPT (pick-wt=7): 65 [] subset(singleton(A),B)| -in(A,B).
% 2.11/2.31  ** KEPT (pick-wt=8): 66 [] set_difference(A,B)!=empty_set|subset(A,B).
% 2.11/2.31  ** KEPT (pick-wt=8): 67 [] set_difference(A,B)=empty_set| -subset(A,B).
% 2.11/2.31  ** KEPT (pick-wt=10): 68 [] -element(A,powerset(B))| -in(C,A)|in(C,B).
% 2.11/2.31  ** KEPT (pick-wt=12): 69 [] -subset(A,B)|in(C,A)|subset(A,set_difference(B,singleton(C))).
% 2.11/2.31  ** KEPT (pick-wt=11): 70 [] -subset(A,singleton(B))|A=empty_set|A=singleton(B).
% 2.11/2.31  ** KEPT (pick-wt=7): 71 [] subset(A,singleton(B))|A!=empty_set.
% 2.11/2.31    Following clause subsumed by 3 during input processing: 0 [] subset(A,singleton(B))|A!=singleton(B).
% 2.11/2.31  ** KEPT (pick-wt=7): 72 [] -in(A,B)|subset(A,union(B)).
% 2.11/2.31  ** KEPT (pick-wt=10): 73 [] -in(ordered_pair(A,B),cartesian_product2(C,D))|in(A,C).
% 2.11/2.31  ** KEPT (pick-wt=10): 74 [] -in(ordered_pair(A,B),cartesian_product2(C,D))|in(B,D).
% 2.11/2.31  ** KEPT (pick-wt=13): 75 [] in(ordered_pair(A,B),cartesian_product2(C,D))| -in(A,C)| -in(B,D).
% 2.11/2.31  ** KEPT (pick-wt=5): 76 [] empty(A)| -empty($f18(A)).
% 2.11/2.31  ** KEPT (pick-wt=2): 77 [] -empty($c2).
% 2.11/2.31  ** KEPT (pick-wt=6): 78 [] -disjoint(A,B)|disjoint(B,A).
% 2.11/2.31    Following clause subsumed by 73 during input processing: 0 [] -in(ordered_pair(A,B),cartesian_product2(C,D))|in(A,C).
% 2.11/2.31    Following clause subsumed by 74 during input processing: 0 [] -in(ordered_pair(A,B),cartesian_product2(C,D))|in(B,D).
% 2.11/2.31    Following clause subsumed by 75 during input processing: 0 [] in(ordered_pair(A,B),cartesian_product2(C,D))| -in(A,C)| -in(B,D).
% 2.11/2.31  ** KEPT (pick-wt=13): 79 [] unordered_pair(A,B)!=unordered_pair(C,D)|A=C|A=D.
% 2.11/2.31  ** KEPT (pick-wt=10): 80 [] -subset(A,B)|subset(cartesian_product2(A,C),cartesian_product2(B,C)).
% 2.11/2.31  ** KEPT (pick-wt=10): 81 [] -subset(A,B)|subset(cartesian_product2(C,A),cartesian_product2(C,B)).
% 2.11/2.31  ** KEPT (pick-wt=13): 82 [] -subset(A,B)| -subset(C,D)|subset(cartesian_product2(A,C),cartesian_product2(B,D)).
% 2.11/2.31  ** KEPT (pick-wt=8): 83 [] -subset(A,B)|set_union2(A,B)=B.
% 2.11/2.31  ** KEPT (pick-wt=11): 84 [] -in(A,$f20(B))| -subset(C,A)|in(C,$f20(B)).
% 2.11/2.31  ** KEPT (pick-wt=9): 85 [] -in(A,$f20(B))|in(powerset(A),$f20(B)).
% 2.11/2.31  ** KEPT (pick-wt=12): 86 [] -subset(A,$f20(B))|are_e_quipotent(A,$f20(B))|in(A,$f20(B)).
% 2.11/2.31  ** KEPT (pick-wt=11): 87 [] -subset(A,B)| -subset(A,C)|subset(A,set_intersection2(B,C)).
% 2.11/2.31  ** KEPT (pick-wt=9): 88 [] -subset(A,B)| -subset(B,C)|subset(A,C).
% 2.11/2.31  ** KEPT (pick-wt=10): 89 [] -subset(A,B)|subset(set_intersection2(A,C),set_intersection2(B,C)).
% 2.11/2.31  ** KEPT (pick-wt=8): 90 [] -subset(A,B)|set_intersection2(A,B)=A.
% 2.11/2.31  ** KEPT (pick-wt=13): 91 [] -in($f21(A,B),A)| -in($f21(A,B),B)|A=B.
% 2.11/2.31  ** KEPT (pick-wt=10): 92 [] -subset(A,B)|subset(set_difference(A,C),set_difference(B,C)).
% 2.11/2.31  ** KEPT (pick-wt=10): 93 [] ordered_pair(A,B)!=ordered_pair(C,D)|A=C.
% 2.11/2.31  ** KEPT (pick-wt=10): 94 [] ordered_pair(A,B)!=ordered_pair(C,D)|B=D.
% 2.11/2.31    Following clause subsumed by 66 during input processing: 0 [] set_difference(A,B)!=empty_set|subset(A,B).
% 2.11/2.31    Following clause subsumed by 67 during input processing: 0 [] set_difference(A,B)=empty_set| -subset(A,B).
% 2.11/2.31    Following clause subsumed by 64 during input processing: 0 [] -subset(singleton(A),B)|in(A,B).
% 2.11/2.31    Following clause subsumed by 65 during input processing: 0 [] subset(singleton(A),B)| -in(A,B).
% 2.11/2.31  ** KEPT (pick-wt=8): 95 [] -subset(unordered_pair(A,B),C)|in(A,C).
% 2.11/2.31  ** KEPT (pick-wt=8): 96 [] -subset(unordered_pair(A,B),C)|in(B,C).
% 2.11/2.31  ** KEPT (pick-wt=11): 97 [] subset(unordered_pair(A,B),C)| -in(A,C)| -in(B,C).
% 2.11/2.31    Following clause subsumed by 70 during input processing: 0 [] -subset(A,singleton(B))|A=empty_set|A=singleton(B).
% 2.11/2.31    Following clause subsumed by 71 during input processing: 0 [] subset(A,singleton(B))|A!=empty_set.
% 2.11/2.31    Following clause subsumed by 3 during input processing: 0 [] subset(A,singleton(B))|A!=singleton(B).
% 2.11/2.31  ** KEPT (pick-wt=9): 98 [] -in(A,B)| -in(A,C)| -disjoint(B,C).
% 2.11/2.31  ** KEPT (pick-wt=6): 99 [] -subset(A,empty_set)|A=empty_set.
% 2.11/2.31  ** KEPT (pick-wt=16): 100 [] -element(A,powerset(B))| -element(C,powerset(B))| -disjoint(A,C)|subset(A,subset_complement(B,C)).
% 2.11/2.31  ** KEPT (pick-wt=16): 101 [] -element(A,powerset(B))| -element(C,powerset(B))|disjoint(A,C)| -subset(A,subset_complement(B,C)).
% 2.11/2.31  ** KEPT (pick-wt=10): 103 [copy,102,flip.2] -subset(A,B)|set_union2(A,set_difference(B,A))=B.
% 2.11/2.31    Following clause subsumed by 62 during input processing: 0 [] -in(A,B)|set_union2(singleton(A),B)=B.
% 2.11/2.31  ** KEPT (pick-wt=8): 104 [] -in(A,set_intersection2(B,C))| -disjoint(B,C).
% 2.11/2.31  ** KEPT (pick-wt=3): 106 [copy,105,flip.1] empty_set!=$c5.
% 2.11/2.31  ** KEPT (pick-wt=3): 107 [] -in($c3,$c4).
% 2.11/2.31  ** KEPT (pick-wt=5): 108 [] -in($c3,subset_complement($c5,$c4)).
% 2.11/2.31  ** KEPT (pick-wt=6): 109 [] -subset(A,B)| -proper_subset(B,A).
% 2.11/2.31  ** KEPT (pick-wt=9): 110 [] -subset(A,B)| -disjoint(B,C)|disjoint(A,C).
% 2.13/2.31  ** KEPT (pick-wt=9): 111 [] set_difference(A,singleton(B))!=A| -in(B,A).
% 2.13/2.31  ** KEPT (pick-wt=5): 112 [] -empty(A)|A=empty_set.
% 2.13/2.31  ** KEPT (pick-wt=8): 113 [] -subset(singleton(A),singleton(B))|A=B.
% 2.13/2.31  ** KEPT (pick-wt=5): 114 [] -in(A,B)| -empty(B).
% 2.13/2.31  ** KEPT (pick-wt=8): 115 [] -disjoint(A,B)|set_difference(A,B)=A.
% 2.13/2.31  ** KEPT (pick-wt=8): 116 [] disjoint(A,B)|set_difference(A,B)!=A.
% 2.13/2.31  ** KEPT (pick-wt=7): 117 [] -empty(A)|A=B| -empty(B).
% 2.13/2.31  ** KEPT (pick-wt=11): 118 [] -subset(A,B)| -subset(C,B)|subset(set_union2(A,C),B).
% 2.13/2.31  ** KEPT (pick-wt=9): 119 [] singleton(A)!=unordered_pair(B,C)|A=B.
% 2.13/2.31    Following clause subsumed by 72 during input processing: 0 [] -in(A,B)|subset(A,union(B)).
% 2.13/2.31  ** KEPT (pick-wt=11): 120 [] -in(A,$f25(B))| -subset(C,A)|in(C,$f25(B)).
% 2.13/2.31  ** KEPT (pick-wt=10): 121 [] -in(A,$f25(B))|in($f24(B,A),$f25(B)).
% 2.13/2.31  ** KEPT (pick-wt=12): 122 [] -in(A,$f25(B))| -subset(C,A)|in(C,$f24(B,A)).
% 2.13/2.31  ** KEPT (pick-wt=12): 123 [] -subset(A,$f25(B))|are_e_quipotent(A,$f25(B))|in(A,$f25(B)).
% 2.13/2.31  ** KEPT (pick-wt=9): 124 [] singleton(A)!=unordered_pair(B,C)|B=C.
% 2.13/2.31  
% 2.13/2.31  ------------> process sos:
% 2.13/2.31  ** KEPT (pick-wt=3): 157 [] A=A.
% 2.13/2.31  ** KEPT (pick-wt=7): 158 [] unordered_pair(A,B)=unordered_pair(B,A).
% 2.13/2.31  ** KEPT (pick-wt=7): 159 [] set_union2(A,B)=set_union2(B,A).
% 2.13/2.31  ** KEPT (pick-wt=7): 160 [] set_intersection2(A,B)=set_intersection2(B,A).
% 2.13/2.31  ** KEPT (pick-wt=14): 161 [] A=singleton(B)|in($f1(B,A),A)|$f1(B,A)=B.
% 2.13/2.31  ** KEPT (pick-wt=7): 162 [] A=empty_set|in($f2(A),A).
% 2.13/2.31  ** KEPT (pick-wt=14): 163 [] A=powerset(B)|in($f3(B,A),A)|subset($f3(B,A),B).
% 2.13/2.31  ** KEPT (pick-wt=23): 164 [] A=unordered_pair(B,C)|in($f4(B,C,A),A)|$f4(B,C,A)=B|$f4(B,C,A)=C.
% 2.13/2.31  ** KEPT (pick-wt=23): 165 [] A=set_union2(B,C)|in($f5(B,C,A),A)|in($f5(B,C,A),B)|in($f5(B,C,A),C).
% 2.13/2.31  ** KEPT (pick-wt=17): 166 [] A=cartesian_product2(B,C)|in($f10(B,C,A),A)|in($f9(B,C,A),B).
% 2.13/2.31  ** KEPT (pick-wt=17): 167 [] A=cartesian_product2(B,C)|in($f10(B,C,A),A)|in($f8(B,C,A),C).
% 2.13/2.31  ** KEPT (pick-wt=25): 169 [copy,168,flip.3] A=cartesian_product2(B,C)|in($f10(B,C,A),A)|ordered_pair($f9(B,C,A),$f8(B,C,A))=$f10(B,C,A).
% 2.13/2.31  ** KEPT (pick-wt=8): 170 [] subset(A,B)|in($f11(A,B),A).
% 2.13/2.31  ** KEPT (pick-wt=17): 171 [] A=set_intersection2(B,C)|in($f12(B,C,A),A)|in($f12(B,C,A),B).
% 2.13/2.31  ** KEPT (pick-wt=17): 172 [] A=set_intersection2(B,C)|in($f12(B,C,A),A)|in($f12(B,C,A),C).
% 2.13/2.31  ** KEPT (pick-wt=16): 173 [] A=union(B)|in($f15(B,A),A)|in($f15(B,A),$f14(B,A)).
% 2.13/2.31  ** KEPT (pick-wt=14): 174 [] A=union(B)|in($f15(B,A),A)|in($f14(B,A),B).
% 2.13/2.31  ** KEPT (pick-wt=17): 175 [] A=set_difference(B,C)|in($f16(B,C,A),A)|in($f16(B,C,A),B).
% 2.13/2.31  ** KEPT (pick-wt=10): 177 [copy,176,flip.1] unordered_pair(unordered_pair(A,B),singleton(A))=ordered_pair(A,B).
% 2.13/2.31  ---> New Demodulator: 178 [new_demod,177] unordered_pair(unordered_pair(A,B),singleton(A))=ordered_pair(A,B).
% 2.13/2.31  ** KEPT (pick-wt=4): 179 [] element($f17(A),A).
% 2.13/2.31  ** KEPT (pick-wt=2): 180 [] empty(empty_set).
% 2.13/2.31  ** KEPT (pick-wt=5): 181 [] set_union2(A,A)=A.
% 2.13/2.31  ---> New Demodulator: 182 [new_demod,181] set_union2(A,A)=A.
% 2.13/2.31  ** KEPT (pick-wt=5): 183 [] set_intersection2(A,A)=A.
% 2.13/2.31  ---> New Demodulator: 184 [new_demod,183] set_intersection2(A,A)=A.
% 2.13/2.31  ** KEPT (pick-wt=7): 185 [] in(A,B)|disjoint(singleton(A),B).
% 2.13/2.31  ** KEPT (pick-wt=7): 186 [] empty(A)|element($f18(A),powerset(A)).
% 2.13/2.31  ** KEPT (pick-wt=2): 187 [] empty($c1).
% 2.13/2.31  ** KEPT (pick-wt=5): 188 [] element($f19(A),powerset(A)).
% 2.13/2.31  ** KEPT (pick-wt=3): 189 [] empty($f19(A)).
% 2.13/2.31  ** KEPT (pick-wt=3): 190 [] subset(A,A).
% 2.13/2.31  ** KEPT (pick-wt=4): 191 [] in(A,$f20(A)).
% 2.13/2.31  ** KEPT (pick-wt=5): 192 [] subset(set_intersection2(A,B),A).
% 2.13/2.31  ** KEPT (pick-wt=5): 193 [] set_union2(A,empty_set)=A.
% 2.13/2.31  ---> New Demodulator: 194 [new_demod,193] set_union2(A,empty_set)=A.
% 2.13/2.31  ** KEPT (pick-wt=5): 196 [copy,195,flip.1] singleton(empty_set)=powerset(empty_set).
% 2.13/2.31  ---> New Demodulator: 197 [new_demod,196] singleton(empty_set)=powerset(empty_set).
% 2.13/2.31  ** KEPT (pick-wt=5): 198 [] set_intersection2(A,empty_set)=empty_set.
% 2.13/2.31  ---> New Demodulator: 199 [new_demod,198] set_intersection2(A,empty_set)=empty_set.
% 2.13/2.31  ** KEPT (pick-wt=13): 200 [] in($f21(A,B),A)|in($f21(A,B),B)|A=B.
% 2.13/2.31  ** KEPT (pick-wt=3): 201 [] subset(empty_set,A).
% 2.13/2.31  ** KEPT (pick-wt=5): 202 [] subset(set_difference(A,B),A).
% 2.13/2.31  ** KEPT (pick-wt=9): 203 [] set_union2(A,set_difference(B,A))=set_union2(A,B).
% 2.13/2.31  ---> New Demodulator: 204 [new_demod,203] set_union2(A,set_difference(B,A))=set_union2(A,B).
% 2.13/2.31  ** KEPT (pick-wt=5): 205 [] set_difference(A,empty_set)=A.
% 2.13/2.31  ---> New Demodulator: 206 [new_demod,205] set_difference(A,empty_set)=A.
% 2.13/2.31  ** KEPT (pick-wt=8): 207 [] disjoint(A,B)|in($f22(A,B),A).
% 2.13/2.31  ** KEPT (pick-wt=8): 208 [] disjoint(A,B)|in($f22(A,B),B).
% 2.13/2.31  ** KEPT (pick-wt=9): 209 [] set_difference(set_union2(A,B),B)=set_difference(A,B).
% 2.13/2.31  ---> New Demodulator: 210 [new_demod,209] set_difference(set_union2(A,B),B)=set_difference(A,B).
% 2.13/2.31  ** KEPT (pick-wt=9): 212 [copy,211,flip.1] set_intersection2(A,B)=set_difference(A,set_difference(A,B)).
% 2.13/2.31  ---> New Demodulator: 213 [new_demod,212] set_intersection2(A,B)=set_difference(A,set_difference(A,B)).
% 2.13/2.31  ** KEPT (pick-wt=5): 214 [] set_difference(empty_set,A)=empty_set.
% 2.13/2.31  ---> New Demodulator: 215 [new_demod,214] set_difference(empty_set,A)=empty_set.
% 2.13/2.31  ** KEPT (pick-wt=12): 217 [copy,216,demod,213] disjoint(A,B)|in($f23(A,B),set_difference(A,set_difference(A,B))).
% 2.13/2.31  ** KEPT (pick-wt=4): 218 [] element($c4,powerset($c5)).
% 2.13/2.31  ** KEPT (pick-wt=3): 219 [] element($c3,$c5).
% 2.13/2.31  ** KEPT (pick-wt=9): 220 [] set_difference(A,singleton(B))=A|in(B,A).
% 2.13/2.31  ** KEPT (pick-wt=6): 222 [copy,221,flip.1] singleton(A)=unordered_pair(A,A).
% 2.13/2.31  ---> New Demodulator: 223 [new_demod,222] singleton(A)=unordered_pair(A,A).
% 2.13/2.31  ** KEPT (pick-wt=5): 224 [] subset(A,set_union2(A,B)).
% 2.13/2.31  ** KEPT (pick-wt=5): 225 [] union(powerset(A))=A.
% 2.13/2.31  ---> New Demodulator: 226 [new_demod,225] union(powerset(A))=A.
% 2.13/2.31  ** KEPT (pick-wt=4): 227 [] in(A,$f25(A)).
% 2.13/2.31    Following clause subsumed by 157 during input processing: 0 [copy,157,flip.1] A=A.
% 2.13/2.31  157 back subsumes 153.
% 2.13/2.31  157 back subsumes 148.
% 2.13/2.31  157 back subsumes 126.
% 2.13/2.31    Following clause subsumed by 158 during input processing: 0 [copy,158,flip.1] unordered_pair(A,B)=unordered_pair(B,A).
% 2.13/2.31    Following clause subsumed by 159 during input processing: 0 [copy,159,flip.1] set_union2(A,B)=set_union2(B,A).
% 2.13/2.31  ** KEPT (pick-wt=11): 228 [copy,160,flip.1,demod,213,213] set_difference(A,set_difference(A,B))=set_difference(B,set_difference(B,A)).
% 2.13/2.31  >>>> Starting back demodulation with 178.
% 2.13/2.31  >>>> Starting back demodulation with 182.
% 2.13/2.31      >> back demodulating 154 with 182.
% 2.13/2.31      >> back demodulating 129 with 182.
% 2.13/2.31  >>>> Starting back demodulation with 184.
% 2.13/2.31      >> back demodulating 156 with 184.
% 2.13/2.31      >> back demodulating 147 with 184.
% 2.13/2.31      >> back demodulating 139 with 184.
% 2.13/2.31      >> back demodulating 136 with 184.
% 2.13/2.31  >>>> Starting back demodulation with 194.
% 2.13/2.31  >>>> Starting back demodulation with 197.
% 2.13/2.31  >>>> Starting back demodulation with 199.
% 2.13/2.31  >>>> Starting back demodulation with 204.
% 2.13/2.31      >> back demodulating 103 with 204.
% 2.13/2.31  >>>> Starting back demodulation with 206.
% 2.13/2.31  >>>> Starting back demodulation with 210.
% 2.13/2.31  >>>> Starting back demodulation with 213.
% 2.13/2.31      >> back demodulating 198 with 213.
% 2.13/2.31      >> back demodulating 192 with 213.
% 2.13/2.31      >> back demodulating 183 with 213.
% 2.13/2.31      >> back demodulating 172 with 213.
% 2.13/2.31      >> back demodulating 171 with 213.
% 2.13/2.31      >> back demodulating 160 with 213.
% 67.30/67.54      >> back demodulating 138 with 213.
% 67.30/67.54      >> back demodulating 137 with 213.
% 67.30/67.54      >> back demodulating 104 with 213.
% 67.30/67.54      >> back demodulating 90 with 213.
% 67.30/67.54      >> back demodulating 89 with 213.
% 67.30/67.54      >> back demodulating 87 with 213.
% 67.30/67.54      >> back demodulating 50 with 213.
% 67.30/67.54      >> back demodulating 49 with 213.
% 67.30/67.54      >> back demodulating 38 with 213.
% 67.30/67.54      >> back demodulating 37 with 213.
% 67.30/67.54      >> back demodulating 36 with 213.
% 67.30/67.54      >> back demodulating 35 with 213.
% 67.30/67.54  >>>> Starting back demodulation with 215.
% 67.30/67.54  >>>> Starting back demodulation with 223.
% 67.30/67.54      >> back demodulating 220 with 223.
% 67.30/67.54      >> back demodulating 196 with 223.
% 67.30/67.54      >> back demodulating 185 with 223.
% 67.30/67.54      >> back demodulating 177 with 223.
% 67.30/67.54      >> back demodulating 161 with 223.
% 67.30/67.54      >> back demodulating 124 with 223.
% 67.30/67.54      >> back demodulating 119 with 223.
% 67.30/67.54      >> back demodulating 113 with 223.
% 67.30/67.54      >> back demodulating 111 with 223.
% 67.30/67.54      >> back demodulating 71 with 223.
% 67.30/67.54      >> back demodulating 70 with 223.
% 67.30/67.54      >> back demodulating 69 with 223.
% 67.30/67.55      >> back demodulating 65 with 223.
% 67.30/67.55      >> back demodulating 64 with 223.
% 67.30/67.55      >> back demodulating 63 with 223.
% 67.30/67.55      >> back demodulating 62 with 223.
% 67.30/67.55      >> back demodulating 61 with 223.
% 67.30/67.55      >> back demodulating 8 with 223.
% 67.30/67.55      >> back demodulating 7 with 223.
% 67.30/67.55      >> back demodulating 6 with 223.
% 67.30/67.55  >>>> Starting back demodulation with 226.
% 67.30/67.55    Following clause subsumed by 228 during input processing: 0 [copy,228,flip.1] set_difference(A,set_difference(A,B))=set_difference(B,set_difference(B,A)).
% 67.30/67.55  >>>> Starting back demodulation with 240.
% 67.30/67.55  >>>> Starting back demodulation with 256.
% 67.30/67.55  >>>> Starting back demodulation with 259.
% 67.30/67.55  
% 67.30/67.55  ======= end of input processing =======
% 67.30/67.55  
% 67.30/67.55  =========== start of search ===========
% 67.30/67.55  
% 67.30/67.55  
% 67.30/67.55  Resetting weight limit to 6.
% 67.30/67.55  
% 67.30/67.55  
% 67.30/67.55  Resetting weight limit to 6.
% 67.30/67.55  
% 67.30/67.55  sos_size=678
% 67.30/67.55  
% 67.30/67.55  
% 67.30/67.55  Resetting weight limit to 5.
% 67.30/67.55  
% 67.30/67.55  
% 67.30/67.55  Resetting weight limit to 5.
% 67.30/67.55  
% 67.30/67.55  sos_size=785
% 67.30/67.55  
% 67.30/67.55  Search stopped because sos empty.
% 67.30/67.55  
% 67.30/67.55  
% 67.30/67.55  Search stopped because sos empty.
% 67.30/67.55  
% 67.30/67.55  ============ end of search ============
% 67.30/67.55  
% 67.30/67.55  -------------- statistics -------------
% 67.30/67.55  clauses given                985
% 67.30/67.55  clauses generated        3223165
% 67.30/67.55  clauses kept                1346
% 67.30/67.55  clauses forward subsumed    8802
% 67.30/67.55  clauses back subsumed        164
% 67.30/67.55  Kbytes malloced            10742
% 67.30/67.55  
% 67.30/67.55  ----------- times (seconds) -----------
% 67.30/67.55  user CPU time         65.24          (0 hr, 1 min, 5 sec)
% 67.30/67.55  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 67.30/67.55  wall-clock time       67             (0 hr, 1 min, 7 sec)
% 67.30/67.55  
% 67.30/67.55  Process 1521 finished Wed Jul 27 07:38:53 2022
% 67.30/67.55  Otter interrupted
% 67.30/67.55  PROOF NOT FOUND
%------------------------------------------------------------------------------