TSTP Solution File: SET085-7 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SET085-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n024.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 13:13:03 EDT 2022

% Result   : Unsatisfiable 3.18s 3.34s
% Output   : Refutation 3.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   19 (  15 unt;   2 nHn;  14 RR)
%            Number of literals    :   25 (  13 equ;   8 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   4 con; 0-2 aty)
%            Number of variables   :   13 (   3 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(6,axiom,
    ( ~ member(A,unordered_pair(B,C))
    | A = B
    | A = C ),
    file('SET085-7.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ member(A,universal_class)
    | member(A,unordered_pair(B,A)) ),
    file('SET085-7.p',unknown),
    [] ).

cnf(82,axiom,
    x != y,
    file('SET085-7.p',unknown),
    [] ).

cnf(83,plain,
    y != x,
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[82])]),
    [iquote('copy,82,flip.1')] ).

cnf(84,axiom,
    x != z,
    file('SET085-7.p',unknown),
    [] ).

cnf(85,plain,
    z != x,
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[84])]),
    [iquote('copy,84,flip.1')] ).

cnf(87,plain,
    ( ~ member(A,unordered_pair(B,B))
    | A = B ),
    inference(factor,[status(thm)],[6]),
    [iquote('factor,6.2.3')] ).

cnf(100,axiom,
    unordered_pair(A,A) = singleton(A),
    file('SET085-7.p',unknown),
    [] ).

cnf(102,plain,
    singleton(A) = unordered_pair(A,A),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[100])]),
    [iquote('copy,100,flip.1')] ).

cnf(184,axiom,
    unordered_pair(y,z) = singleton(x),
    file('SET085-7.p',unknown),
    [] ).

cnf(185,plain,
    unordered_pair(y,z) = unordered_pair(x,x),
    inference(demod,[status(thm),theory(equality)],[inference(copy,[status(thm)],[184]),102]),
    [iquote('copy,184,demod,102')] ).

cnf(187,axiom,
    member(x,universal_class),
    file('SET085-7.p',unknown),
    [] ).

cnf(364,plain,
    member(x,unordered_pair(A,x)),
    inference(hyper,[status(thm)],[187,8]),
    [iquote('hyper,187,8')] ).

cnf(371,plain,
    ( member(A,universal_class)
    | ~ member(x,unordered_pair(B,A))
    | x = B ),
    inference(para_into,[status(thm),theory(equality)],[187,6]),
    [iquote('para_into,187.1.1,6.3.1')] ).

cnf(856,plain,
    member(z,universal_class),
    inference(unit_del,[status(thm)],[inference(para_into,[status(thm),theory(equality)],[371,185]),364,83]),
    [iquote('para_into,371.2.2,185.1.1,unit_del,364,83')] ).

cnf(859,plain,
    member(z,unordered_pair(A,z)),
    inference(hyper,[status(thm)],[856,8]),
    [iquote('hyper,856,8')] ).

cnf(862,plain,
    member(z,unordered_pair(x,x)),
    inference(para_into,[status(thm),theory(equality)],[859,185]),
    [iquote('para_into,859.1.2,185.1.1')] ).

cnf(865,plain,
    z = x,
    inference(hyper,[status(thm)],[862,87]),
    [iquote('hyper,862,87')] ).

cnf(867,plain,
    $false,
    inference(binary,[status(thm)],[865,85]),
    [iquote('binary,865.1,85.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SET085-7 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.00/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n024.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 10:37:40 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 2.57/2.77  ----- Otter 3.3f, August 2004 -----
% 2.57/2.77  The process was started by sandbox2 on n024.cluster.edu,
% 2.57/2.77  Wed Jul 27 10:37:40 2022
% 2.57/2.77  The command was "./otter".  The process ID is 20181.
% 2.57/2.77  
% 2.57/2.77  set(prolog_style_variables).
% 2.57/2.77  set(auto).
% 2.57/2.77     dependent: set(auto1).
% 2.57/2.77     dependent: set(process_input).
% 2.57/2.77     dependent: clear(print_kept).
% 2.57/2.77     dependent: clear(print_new_demod).
% 2.57/2.77     dependent: clear(print_back_demod).
% 2.57/2.77     dependent: clear(print_back_sub).
% 2.57/2.77     dependent: set(control_memory).
% 2.57/2.77     dependent: assign(max_mem, 12000).
% 2.57/2.77     dependent: assign(pick_given_ratio, 4).
% 2.57/2.77     dependent: assign(stats_level, 1).
% 2.57/2.77     dependent: assign(max_seconds, 10800).
% 2.57/2.77  clear(print_given).
% 2.57/2.77  
% 2.57/2.77  list(usable).
% 2.57/2.77  0 [] A=A.
% 2.57/2.77  0 [] -subclass(X,Y)| -member(U,X)|member(U,Y).
% 2.57/2.77  0 [] member(not_subclass_element(X,Y),X)|subclass(X,Y).
% 2.57/2.77  0 [] -member(not_subclass_element(X,Y),Y)|subclass(X,Y).
% 2.57/2.77  0 [] subclass(X,universal_class).
% 2.57/2.77  0 [] X!=Y|subclass(X,Y).
% 2.57/2.77  0 [] X!=Y|subclass(Y,X).
% 2.57/2.77  0 [] -subclass(X,Y)| -subclass(Y,X)|X=Y.
% 2.57/2.77  0 [] -member(U,unordered_pair(X,Y))|U=X|U=Y.
% 2.57/2.77  0 [] -member(X,universal_class)|member(X,unordered_pair(X,Y)).
% 2.57/2.77  0 [] -member(Y,universal_class)|member(Y,unordered_pair(X,Y)).
% 2.57/2.77  0 [] member(unordered_pair(X,Y),universal_class).
% 2.57/2.77  0 [] unordered_pair(X,X)=singleton(X).
% 2.57/2.77  0 [] unordered_pair(singleton(X),unordered_pair(X,singleton(Y)))=ordered_pair(X,Y).
% 2.57/2.77  0 [] -member(ordered_pair(U,V),cross_product(X,Y))|member(U,X).
% 2.57/2.77  0 [] -member(ordered_pair(U,V),cross_product(X,Y))|member(V,Y).
% 2.57/2.77  0 [] -member(U,X)| -member(V,Y)|member(ordered_pair(U,V),cross_product(X,Y)).
% 2.57/2.77  0 [] -member(Z,cross_product(X,Y))|ordered_pair(first(Z),second(Z))=Z.
% 2.57/2.77  0 [] subclass(element_relation,cross_product(universal_class,universal_class)).
% 2.57/2.77  0 [] -member(ordered_pair(X,Y),element_relation)|member(X,Y).
% 2.57/2.77  0 [] -member(ordered_pair(X,Y),cross_product(universal_class,universal_class))| -member(X,Y)|member(ordered_pair(X,Y),element_relation).
% 2.57/2.77  0 [] -member(Z,intersection(X,Y))|member(Z,X).
% 2.57/2.77  0 [] -member(Z,intersection(X,Y))|member(Z,Y).
% 2.57/2.77  0 [] -member(Z,X)| -member(Z,Y)|member(Z,intersection(X,Y)).
% 2.57/2.77  0 [] -member(Z,complement(X))| -member(Z,X).
% 2.57/2.77  0 [] -member(Z,universal_class)|member(Z,complement(X))|member(Z,X).
% 2.57/2.77  0 [] complement(intersection(complement(X),complement(Y)))=union(X,Y).
% 2.57/2.77  0 [] intersection(complement(intersection(X,Y)),complement(intersection(complement(X),complement(Y))))=symmetric_difference(X,Y).
% 2.57/2.77  0 [] intersection(Xr,cross_product(X,Y))=restrict(Xr,X,Y).
% 2.57/2.77  0 [] intersection(cross_product(X,Y),Xr)=restrict(Xr,X,Y).
% 2.57/2.77  0 [] restrict(X,singleton(Z),universal_class)!=null_class| -member(Z,domain_of(X)).
% 2.57/2.77  0 [] -member(Z,universal_class)|restrict(X,singleton(Z),universal_class)=null_class|member(Z,domain_of(X)).
% 2.57/2.77  0 [] subclass(rotate(X),cross_product(cross_product(universal_class,universal_class),universal_class)).
% 2.57/2.77  0 [] -member(ordered_pair(ordered_pair(U,V),W),rotate(X))|member(ordered_pair(ordered_pair(V,W),U),X).
% 2.57/2.77  0 [] -member(ordered_pair(ordered_pair(V,W),U),X)| -member(ordered_pair(ordered_pair(U,V),W),cross_product(cross_product(universal_class,universal_class),universal_class))|member(ordered_pair(ordered_pair(U,V),W),rotate(X)).
% 2.57/2.77  0 [] subclass(flip(X),cross_product(cross_product(universal_class,universal_class),universal_class)).
% 2.57/2.77  0 [] -member(ordered_pair(ordered_pair(U,V),W),flip(X))|member(ordered_pair(ordered_pair(V,U),W),X).
% 2.57/2.77  0 [] -member(ordered_pair(ordered_pair(V,U),W),X)| -member(ordered_pair(ordered_pair(U,V),W),cross_product(cross_product(universal_class,universal_class),universal_class))|member(ordered_pair(ordered_pair(U,V),W),flip(X)).
% 2.57/2.77  0 [] domain_of(flip(cross_product(Y,universal_class)))=inverse(Y).
% 2.57/2.77  0 [] domain_of(inverse(Z))=range_of(Z).
% 2.57/2.77  0 [] first(not_subclass_element(restrict(Z,X,singleton(Y)),null_class))=domain(Z,X,Y).
% 2.57/2.77  0 [] second(not_subclass_element(restrict(Z,singleton(X),Y),null_class))=range(Z,X,Y).
% 2.57/2.77  0 [] range_of(restrict(Xr,X,universal_class))=image(Xr,X).
% 2.57/2.77  0 [] union(X,singleton(X))=successor(X).
% 2.57/2.77  0 [] subclass(successor_relation,cross_product(universal_class,universal_class)).
% 2.57/2.77  0 [] -member(ordered_pair(X,Y),successor_relation)|successor(X)=Y.
% 2.57/2.77  0 [] successor(X)!=Y| -member(ordered_pair(X,Y),cross_product(universal_class,universal_class))|member(ordered_pair(X,Y),successor_relation).
% 2.57/2.77  0 [] -inductive(X)|member(null_class,X).
% 2.57/2.77  0 [] -inductive(X)|subclass(image(successor_relation,X),X).
% 2.57/2.77  0 [] -member(null_class,X)| -subclass(image(successor_relation,X),X)|inductive(X).
% 2.57/2.77  0 [] inductive(omega).
% 2.57/2.77  0 [] -inductive(Y)|subclass(omega,Y).
% 2.57/2.77  0 [] member(omega,universal_class).
% 2.57/2.77  0 [] domain_of(restrict(element_relation,universal_class,X))=sum_class(X).
% 2.57/2.77  0 [] -member(X,universal_class)|member(sum_class(X),universal_class).
% 2.57/2.77  0 [] complement(image(element_relation,complement(X)))=power_class(X).
% 2.57/2.77  0 [] -member(U,universal_class)|member(power_class(U),universal_class).
% 2.57/2.77  0 [] subclass(compose(Yr,Xr),cross_product(universal_class,universal_class)).
% 2.57/2.77  0 [] -member(ordered_pair(Y,Z),compose(Yr,Xr))|member(Z,image(Yr,image(Xr,singleton(Y)))).
% 2.57/2.77  0 [] -member(Z,image(Yr,image(Xr,singleton(Y))))| -member(ordered_pair(Y,Z),cross_product(universal_class,universal_class))|member(ordered_pair(Y,Z),compose(Yr,Xr)).
% 2.57/2.77  0 [] -single_valued_class(X)|subclass(compose(X,inverse(X)),identity_relation).
% 2.57/2.77  0 [] -subclass(compose(X,inverse(X)),identity_relation)|single_valued_class(X).
% 2.57/2.77  0 [] -function(Xf)|subclass(Xf,cross_product(universal_class,universal_class)).
% 2.57/2.77  0 [] -function(Xf)|subclass(compose(Xf,inverse(Xf)),identity_relation).
% 2.57/2.77  0 [] -subclass(Xf,cross_product(universal_class,universal_class))| -subclass(compose(Xf,inverse(Xf)),identity_relation)|function(Xf).
% 2.57/2.77  0 [] -function(Xf)| -member(X,universal_class)|member(image(Xf,X),universal_class).
% 2.57/2.77  0 [] X=null_class|member(regular(X),X).
% 2.57/2.77  0 [] X=null_class|intersection(X,regular(X))=null_class.
% 2.57/2.77  0 [] sum_class(image(Xf,singleton(Y)))=apply(Xf,Y).
% 2.57/2.77  0 [] function(choice).
% 2.57/2.77  0 [] -member(Y,universal_class)|Y=null_class|member(apply(choice,Y),Y).
% 2.57/2.77  0 [] -one_to_one(Xf)|function(Xf).
% 2.57/2.77  0 [] -one_to_one(Xf)|function(inverse(Xf)).
% 2.57/2.77  0 [] -function(inverse(Xf))| -function(Xf)|one_to_one(Xf).
% 2.57/2.77  0 [] intersection(cross_product(universal_class,universal_class),intersection(cross_product(universal_class,universal_class),complement(compose(complement(element_relation),inverse(element_relation)))))=subset_relation.
% 2.57/2.77  0 [] intersection(inverse(subset_relation),subset_relation)=identity_relation.
% 2.57/2.77  0 [] complement(domain_of(intersection(Xr,identity_relation)))=diagonalise(Xr).
% 2.57/2.77  0 [] intersection(domain_of(X),diagonalise(compose(inverse(element_relation),X)))=cantor(X).
% 2.57/2.77  0 [] -operation(Xf)|function(Xf).
% 2.57/2.77  0 [] -operation(Xf)|cross_product(domain_of(domain_of(Xf)),domain_of(domain_of(Xf)))=domain_of(Xf).
% 2.57/2.77  0 [] -operation(Xf)|subclass(range_of(Xf),domain_of(domain_of(Xf))).
% 2.57/2.77  0 [] -function(Xf)|cross_product(domain_of(domain_of(Xf)),domain_of(domain_of(Xf)))!=domain_of(Xf)| -subclass(range_of(Xf),domain_of(domain_of(Xf)))|operation(Xf).
% 2.57/2.77  0 [] -compatible(Xh,Xf1,Xf2)|function(Xh).
% 2.57/2.77  0 [] -compatible(Xh,Xf1,Xf2)|domain_of(domain_of(Xf1))=domain_of(Xh).
% 2.57/2.77  0 [] -compatible(Xh,Xf1,Xf2)|subclass(range_of(Xh),domain_of(domain_of(Xf2))).
% 2.57/2.77  0 [] -function(Xh)|domain_of(domain_of(Xf1))!=domain_of(Xh)| -subclass(range_of(Xh),domain_of(domain_of(Xf2)))|compatible(Xh,Xf1,Xf2).
% 2.57/2.77  0 [] -homomorphism(Xh,Xf1,Xf2)|operation(Xf1).
% 2.57/2.77  0 [] -homomorphism(Xh,Xf1,Xf2)|operation(Xf2).
% 2.57/2.77  0 [] -homomorphism(Xh,Xf1,Xf2)|compatible(Xh,Xf1,Xf2).
% 2.57/2.77  0 [] -homomorphism(Xh,Xf1,Xf2)| -member(ordered_pair(X,Y),domain_of(Xf1))|apply(Xf2,ordered_pair(apply(Xh,X),apply(Xh,Y)))=apply(Xh,apply(Xf1,ordered_pair(X,Y))).
% 2.57/2.77  0 [] -operation(Xf1)| -operation(Xf2)| -compatible(Xh,Xf1,Xf2)|member(ordered_pair(not_homomorphism1(Xh,Xf1,Xf2),not_homomorphism2(Xh,Xf1,Xf2)),domain_of(Xf1))|homomorphism(Xh,Xf1,Xf2).
% 2.57/2.77  0 [] -operation(Xf1)| -operation(Xf2)| -compatible(Xh,Xf1,Xf2)|apply(Xf2,ordered_pair(apply(Xh,not_homomorphism1(Xh,Xf1,Xf2)),apply(Xh,not_homomorphism2(Xh,Xf1,Xf2))))!=apply(Xh,apply(Xf1,ordered_pair(not_homomorphism1(Xh,Xf1,Xf2),not_homomorphism2(Xh,Xf1,Xf2))))|homomorphism(Xh,Xf1,Xf2).
% 2.57/2.77  0 [] -member(ordered_pair(X,Y),cross_product(U,V))|member(X,unordered_pair(X,Y)).
% 2.57/2.77  0 [] -member(ordered_pair(X,Y),cross_product(U,V))|member(Y,unordered_pair(X,Y)).
% 2.57/2.77  0 [] -member(ordered_pair(U,V),cross_product(X,Y))|member(U,universal_class).
% 2.57/2.77  0 [] -member(ordered_pair(U,V),cross_product(X,Y))|member(V,universal_class).
% 2.57/2.77  0 [] subclass(X,X).
% 2.57/2.77  0 [] -subclass(X,Y)| -subclass(Y,Z)|subclass(X,Z).
% 2.57/2.77  0 [] X=Y|member(not_subclass_element(X,Y),X)|member(not_subclass_element(Y,X),Y).
% 2.57/2.77  0 [] -member(not_subclass_element(X,Y),Y)|X=Y|member(not_subclass_element(Y,X),Y).
% 2.57/2.77  0 [] -member(not_subclass_element(Y,X),X)|X=Y|member(not_subclass_element(X,Y),X).
% 2.57/2.77  0 [] -member(not_subclass_element(X,Y),Y)| -member(not_subclass_element(Y,X),X)|X=Y.
% 2.57/2.77  0 [] -member(Y,intersection(complement(X),X)).
% 2.57/2.77  0 [] -member(Z,null_class).
% 2.57/2.77  0 [] subclass(null_class,X).
% 2.57/2.77  0 [] -subclass(X,null_class)|X=null_class.
% 2.57/2.77  0 [] Z=null_class|member(not_subclass_element(Z,null_class),Z).
% 2.57/2.77  0 [] member(null_class,universal_class).
% 2.57/2.77  0 [] unordered_pair(X,Y)=unordered_pair(Y,X).
% 2.57/2.77  0 [] subclass(singleton(X),unordered_pair(X,Y)).
% 2.57/2.77  0 [] subclass(singleton(Y),unordered_pair(X,Y)).
% 2.57/2.77  0 [] member(Y,universal_class)|unordered_pair(X,Y)=singleton(X).
% 2.57/2.77  0 [] member(X,universal_class)|unordered_pair(X,Y)=singleton(Y).
% 2.57/2.77  0 [] unordered_pair(X,Y)=null_class|member(X,universal_class)|member(Y,universal_class).
% 2.57/2.77  0 [] unordered_pair(X,Y)!=unordered_pair(X,Z)| -member(ordered_pair(Y,Z),cross_product(universal_class,universal_class))|Y=Z.
% 2.57/2.77  0 [] unordered_pair(X,Z)!=unordered_pair(Y,Z)| -member(ordered_pair(X,Y),cross_product(universal_class,universal_class))|X=Y.
% 2.57/2.77  0 [] -member(X,universal_class)|unordered_pair(X,Y)!=null_class.
% 2.57/2.77  0 [] -member(Y,universal_class)|unordered_pair(X,Y)!=null_class.
% 2.57/2.77  0 [] -member(ordered_pair(X,Y),cross_product(U,V))|unordered_pair(X,Y)!=null_class.
% 2.57/2.77  0 [] -member(X,Z)| -member(Y,Z)|subclass(unordered_pair(X,Y),Z).
% 2.57/2.77  0 [] member(singleton(X),universal_class).
% 2.57/2.77  0 [] member(singleton(Y),unordered_pair(X,singleton(Y))).
% 2.57/2.77  0 [] -member(X,universal_class)|member(X,singleton(X)).
% 2.57/2.77  0 [] -member(X,universal_class)|singleton(X)!=null_class.
% 2.57/2.77  0 [] member(null_class,singleton(null_class)).
% 2.57/2.77  0 [] -member(Y,singleton(X))|Y=X.
% 2.57/2.77  0 [] member(X,universal_class)|singleton(X)=null_class.
% 2.57/2.77  0 [] singleton(X)!=singleton(Y)| -member(X,universal_class)|X=Y.
% 2.57/2.77  0 [] singleton(X)!=singleton(Y)| -member(Y,universal_class)|X=Y.
% 2.57/2.77  0 [] unordered_pair(y,z)=singleton(x).
% 2.57/2.77  0 [] member(x,universal_class).
% 2.57/2.77  0 [] x!=y.
% 2.57/2.77  0 [] x!=z.
% 2.57/2.77  end_of_list.
% 2.57/2.77  
% 2.57/2.77  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=5.
% 2.57/2.77  
% 2.57/2.77  This ia a non-Horn set with equality.  The strategy will be
% 2.57/2.77  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 2.57/2.77  deletion, with positive clauses in sos and nonpositive
% 2.57/2.77  clauses in usable.
% 2.57/2.77  
% 2.57/2.77     dependent: set(knuth_bendix).
% 2.57/2.77     dependent: set(anl_eq).
% 2.57/2.77     dependent: set(para_from).
% 2.57/2.77     dependent: set(para_into).
% 2.57/2.77     dependent: clear(para_from_right).
% 2.57/2.77     dependent: clear(para_into_right).
% 2.57/2.77     dependent: set(para_from_vars).
% 2.57/2.77     dependent: set(eq_units_both_ways).
% 2.57/2.77     dependent: set(dynamic_demod_all).
% 2.57/2.77     dependent: set(dynamic_demod).
% 2.57/2.77     dependent: set(order_eq).
% 2.57/2.77     dependent: set(back_demod).
% 2.57/2.77     dependent: set(lrpo).
% 2.57/2.77     dependent: set(hyper_res).
% 2.57/2.77     dependent: set(unit_deletion).
% 2.57/2.77     dependent: set(factor).
% 2.57/2.77  
% 2.57/2.77  ------------> process usable:
% 2.57/2.77  ** KEPT (pick-wt=9): 1 [] -subclass(A,B)| -member(C,A)|member(C,B).
% 2.57/2.77  ** KEPT (pick-wt=8): 2 [] -member(not_subclass_element(A,B),B)|subclass(A,B).
% 2.57/2.77  ** KEPT (pick-wt=6): 3 [] A!=B|subclass(A,B).
% 2.57/2.77  ** KEPT (pick-wt=6): 4 [] A!=B|subclass(B,A).
% 2.57/2.77  ** KEPT (pick-wt=9): 5 [] -subclass(A,B)| -subclass(B,A)|A=B.
% 2.57/2.77  ** KEPT (pick-wt=11): 6 [] -member(A,unordered_pair(B,C))|A=B|A=C.
% 2.57/2.77  ** KEPT (pick-wt=8): 7 [] -member(A,universal_class)|member(A,unordered_pair(A,B)).
% 2.57/2.77  ** KEPT (pick-wt=8): 8 [] -member(A,universal_class)|member(A,unordered_pair(B,A)).
% 2.57/2.77  ** KEPT (pick-wt=10): 9 [] -member(ordered_pair(A,B),cross_product(C,D))|member(A,C).
% 2.57/2.77  ** KEPT (pick-wt=10): 10 [] -member(ordered_pair(A,B),cross_product(C,D))|member(B,D).
% 2.57/2.77  ** KEPT (pick-wt=13): 11 [] -member(A,B)| -member(C,D)|member(ordered_pair(A,C),cross_product(B,D)).
% 2.57/2.77  ** KEPT (pick-wt=12): 12 [] -member(A,cross_product(B,C))|ordered_pair(first(A),second(A))=A.
% 2.57/2.77  ** KEPT (pick-wt=8): 13 [] -member(ordered_pair(A,B),element_relation)|member(A,B).
% 2.57/2.77  ** KEPT (pick-wt=15): 14 [] -member(ordered_pair(A,B),cross_product(universal_class,universal_class))| -member(A,B)|member(ordered_pair(A,B),element_relation).
% 2.57/2.77  ** KEPT (pick-wt=8): 15 [] -member(A,intersection(B,C))|member(A,B).
% 2.57/2.77  ** KEPT (pick-wt=8): 16 [] -member(A,intersection(B,C))|member(A,C).
% 2.57/2.77  ** KEPT (pick-wt=11): 17 [] -member(A,B)| -member(A,C)|member(A,intersection(B,C)).
% 2.57/2.77  ** KEPT (pick-wt=7): 18 [] -member(A,complement(B))| -member(A,B).
% 2.57/2.77  ** KEPT (pick-wt=10): 19 [] -member(A,universal_class)|member(A,complement(B))|member(A,B).
% 2.57/2.77  ** KEPT (pick-wt=11): 20 [] restrict(A,singleton(B),universal_class)!=null_class| -member(B,domain_of(A)).
% 2.57/2.77  ** KEPT (pick-wt=14): 21 [] -member(A,universal_class)|restrict(B,singleton(A),universal_class)=null_class|member(A,domain_of(B)).
% 2.57/2.77  ** KEPT (pick-wt=15): 22 [] -member(ordered_pair(ordered_pair(A,B),C),rotate(D))|member(ordered_pair(ordered_pair(B,C),A),D).
% 2.57/2.77  ** KEPT (pick-wt=26): 23 [] -member(ordered_pair(ordered_pair(A,B),C),D)| -member(ordered_pair(ordered_pair(C,A),B),cross_product(cross_product(universal_class,universal_class),universal_class))|member(ordered_pair(ordered_pair(C,A),B),rotate(D)).
% 2.57/2.77  ** KEPT (pick-wt=15): 24 [] -member(ordered_pair(ordered_pair(A,B),C),flip(D))|member(ordered_pair(ordered_pair(B,A),C),D).
% 2.57/2.77  ** KEPT (pick-wt=26): 25 [] -member(ordered_pair(ordered_pair(A,B),C),D)| -member(ordered_pair(ordered_pair(B,A),C),cross_product(cross_product(universal_class,universal_class),universal_class))|member(ordered_pair(ordered_pair(B,A),C),flip(D)).
% 2.57/2.77  ** KEPT (pick-wt=9): 26 [] -member(ordered_pair(A,B),successor_relation)|successor(A)=B.
% 2.57/2.77  ** KEPT (pick-wt=16): 27 [] successor(A)!=B| -member(ordered_pair(A,B),cross_product(universal_class,universal_class))|member(ordered_pair(A,B),successor_relation).
% 2.57/2.77  ** KEPT (pick-wt=5): 28 [] -inductive(A)|member(null_class,A).
% 2.57/2.77  ** KEPT (pick-wt=7): 29 [] -inductive(A)|subclass(image(successor_relation,A),A).
% 2.57/2.77  ** KEPT (pick-wt=10): 30 [] -member(null_class,A)| -subclass(image(successor_relation,A),A)|inductive(A).
% 2.57/2.77  ** KEPT (pick-wt=5): 31 [] -inductive(A)|subclass(omega,A).
% 2.57/2.77  ** KEPT (pick-wt=7): 32 [] -member(A,universal_class)|member(sum_class(A),universal_class).
% 2.57/2.77  ** KEPT (pick-wt=7): 33 [] -member(A,universal_class)|member(power_class(A),universal_class).
% 2.57/2.77  ** KEPT (pick-wt=15): 34 [] -member(ordered_pair(A,B),compose(C,D))|member(B,image(C,image(D,singleton(A)))).
% 2.57/2.77  ** KEPT (pick-wt=22): 35 [] -member(A,image(B,image(C,singleton(D))))| -member(ordered_pair(D,A),cross_product(universal_class,universal_class))|member(ordered_pair(D,A),compose(B,C)).
% 2.57/2.77  ** KEPT (pick-wt=8): 36 [] -single_valued_class(A)|subclass(compose(A,inverse(A)),identity_relation).
% 2.57/2.77  ** KEPT (pick-wt=8): 37 [] -subclass(compose(A,inverse(A)),identity_relation)|single_valued_class(A).
% 2.57/2.77  ** KEPT (pick-wt=7): 38 [] -function(A)|subclass(A,cross_product(universal_class,universal_class)).
% 2.57/2.77  ** KEPT (pick-wt=8): 39 [] -function(A)|subclass(compose(A,inverse(A)),identity_relation).
% 2.57/2.77  ** KEPT (pick-wt=13): 40 [] -subclass(A,cross_product(universal_class,universal_class))| -subclass(compose(A,inverse(A)),identity_relation)|function(A).
% 2.57/2.77  ** KEPT (pick-wt=10): 41 [] -function(A)| -member(B,universal_class)|member(image(A,B),universal_class).
% 2.57/2.77  ** KEPT (pick-wt=11): 42 [] -member(A,universal_class)|A=null_class|member(apply(choice,A),A).
% 2.57/2.77  ** KEPT (pick-wt=4): 43 [] -one_to_one(A)|function(A).
% 2.57/2.77  ** KEPT (pick-wt=5): 44 [] -one_to_one(A)|function(inverse(A)).
% 2.57/2.77  ** KEPT (pick-wt=7): 45 [] -function(inverse(A))| -function(A)|one_to_one(A).
% 2.57/2.77  ** KEPT (pick-wt=4): 46 [] -operation(A)|function(A).
% 2.57/2.77  ** KEPT (pick-wt=12): 47 [] -operation(A)|cross_product(domain_of(domain_of(A)),domain_of(domain_of(A)))=domain_of(A).
% 2.57/2.77  ** KEPT (pick-wt=8): 48 [] -operation(A)|subclass(range_of(A),domain_of(domain_of(A))).
% 2.57/2.77  ** KEPT (pick-wt=20): 49 [] -function(A)|cross_product(domain_of(domain_of(A)),domain_of(domain_of(A)))!=domain_of(A)| -subclass(range_of(A),domain_of(domain_of(A)))|operation(A).
% 2.57/2.77  ** KEPT (pick-wt=6): 50 [] -compatible(A,B,C)|function(A).
% 2.57/2.77  ** KEPT (pick-wt=10): 51 [] -compatible(A,B,C)|domain_of(domain_of(B))=domain_of(A).
% 2.57/2.77  ** KEPT (pick-wt=10): 52 [] -compatible(A,B,C)|subclass(range_of(A),domain_of(domain_of(C))).
% 2.57/2.77  ** KEPT (pick-wt=18): 53 [] -function(A)|domain_of(domain_of(B))!=domain_of(A)| -subclass(range_of(A),domain_of(domain_of(C)))|compatible(A,B,C).
% 2.57/2.77  ** KEPT (pick-wt=6): 54 [] -homomorphism(A,B,C)|operation(B).
% 2.57/2.77  ** KEPT (pick-wt=6): 55 [] -homomorphism(A,B,C)|operation(C).
% 2.57/2.77  ** KEPT (pick-wt=8): 56 [] -homomorphism(A,B,C)|compatible(A,B,C).
% 2.57/2.77  ** KEPT (pick-wt=27): 57 [] -homomorphism(A,B,C)| -member(ordered_pair(D,E),domain_of(B))|apply(C,ordered_pair(apply(A,D),apply(A,E)))=apply(A,apply(B,ordered_pair(D,E))).
% 2.57/2.77  ** KEPT (pick-wt=24): 58 [] -operation(A)| -operation(B)| -compatible(C,A,B)|member(ordered_pair(not_homomorphism1(C,A,B),not_homomorphism2(C,A,B)),domain_of(A))|homomorphism(C,A,B).
% 2.57/2.77  ** KEPT (pick-wt=41): 59 [] -operation(A)| -operation(B)| -compatible(C,A,B)|apply(B,ordered_pair(apply(C,not_homomorphism1(C,A,B)),apply(C,not_homomorphism2(C,A,B))))!=apply(C,apply(A,ordered_pair(not_homomorphism1(C,A,B),not_homomorphism2(C,A,B))))|homomorphism(C,A,B).
% 2.57/2.77  ** KEPT (pick-wt=12): 60 [] -member(ordered_pair(A,B),cross_product(C,D))|member(A,unordered_pair(A,B)).
% 2.57/2.77  ** KEPT (pick-wt=12): 61 [] -member(ordered_pair(A,B),cross_product(C,D))|member(B,unordered_pair(A,B)).
% 2.57/2.77  ** KEPT (pick-wt=10): 62 [] -member(ordered_pair(A,B),cross_product(C,D))|member(A,universal_class).
% 2.57/2.77  ** KEPT (pick-wt=10): 63 [] -member(ordered_pair(A,B),cross_product(C,D))|member(B,universal_class).
% 2.57/2.77  ** KEPT (pick-wt=9): 64 [] -subclass(A,B)| -subclass(B,C)|subclass(A,C).
% 2.57/2.77  ** KEPT (pick-wt=13): 65 [] -member(not_subclass_element(A,B),B)|A=B|member(not_subclass_element(B,A),B).
% 2.57/2.77  ** KEPT (pick-wt=13): 66 [] -member(not_subclass_element(A,B),B)|B=A|member(not_subclass_element(B,A),B).
% 2.57/2.77  ** KEPT (pick-wt=13): 67 [] -member(not_subclass_element(A,B),B)| -member(not_subclass_element(B,A),A)|A=B.
% 2.57/2.77  ** KEPT (pick-wt=6): 68 [] -member(A,intersection(complement(B),B)).
% 2.57/2.77  ** KEPT (pick-wt=3): 69 [] -member(A,null_class).
% 2.57/2.77  ** KEPT (pick-wt=6): 70 [] -subclass(A,null_class)|A=null_class.
% 2.57/2.77  ** KEPT (pick-wt=17): 71 [] unordered_pair(A,B)!=unordered_pair(A,C)| -member(ordered_pair(B,C),cross_product(universal_class,universal_class))|B=C.
% 2.57/2.77  ** KEPT (pick-wt=17): 72 [] unordered_pair(A,B)!=unordered_pair(C,B)| -member(ordered_pair(A,C),cross_product(universal_class,universal_class))|A=C.
% 2.57/2.77  ** KEPT (pick-wt=8): 73 [] -member(A,universal_class)|unordered_pair(A,B)!=null_class.
% 2.57/2.77  ** KEPT (pick-wt=8): 74 [] -member(A,universal_class)|unordered_pair(B,A)!=null_class.
% 2.57/2.77  ** KEPT (pick-wt=12): 75 [] -member(ordered_pair(A,B),cross_product(C,D))|unordered_pair(A,B)!=null_class.
% 2.57/2.77  ** KEPT (pick-wt=11): 76 [] -member(A,B)| -member(C,B)|subclass(unordered_pair(A,C),B).
% 2.57/2.77  ** KEPT (pick-wt=7): 77 [] -member(A,universal_class)|member(A,singleton(A)).
% 2.57/2.77  ** KEPT (pick-wt=7): 78 [] -member(A,universal_class)|singleton(A)!=null_class.
% 2.57/2.77  ** KEPT (pick-wt=7): 79 [] -member(A,singleton(B))|A=B.
% 2.57/2.77  ** KEPT (pick-wt=11): 80 [] singleton(A)!=singleton(B)| -member(A,universal_class)|A=B.
% 2.57/2.77  ** KEPT (pick-wt=11): 81 [] singleton(A)!=singleton(B)| -member(B,universal_class)|A=B.
% 2.57/2.77  ** KEPT (pick-wt=3): 83 [copy,82,flip.1] y!=x.
% 2.57/2.77  ** KEPT (pick-wt=3): 85 [copy,84,flip.1] z!=x.
% 2.57/2.77  
% 2.57/2.77  ------------> process sos:
% 2.57/2.77  ** KEPT (pick-wt=3): 96 [] A=A.
% 2.57/2.77  ** KEPT (pick-wt=8): 97 [] member(not_subclass_element(A,B),A)|subclass(A,B).
% 2.57/2.77  ** KEPT (pick-wt=3): 98 [] subclass(A,universal_class).
% 2.57/2.77  ** KEPT (pick-wt=5): 99 [] member(unordered_pair(A,B),universal_class).
% 2.57/2.77  ** KEPT (pick-wt=6): 101 [copy,100,flip.1] singleton(A)=unordered_pair(A,A).
% 2.57/2.77  ---> New Demodulator: 102 [new_demod,101] singleton(A)=unordered_pair(A,A).
% 2.57/2.77  ** KEPT (pick-wt=13): 104 [copy,103,demod,102,102] unordered_pair(unordered_pair(A,A),unordered_pair(A,unordered_pair(B,B)))=ordered_pair(A,B).
% 2.57/2.77  ---> New Demodulator: 105 [new_demod,104] unordered_pair(unordered_pair(A,A),unordered_pair(A,unordered_pair(B,B)))=ordered_pair(A,B).
% 2.57/2.77  ** KEPT (pick-wt=5): 106 [] subclass(element_relation,cross_product(universal_class,universal_class)).
% 2.57/2.77  ** KEPT (pick-wt=10): 107 [] complement(intersection(complement(A),complement(B)))=union(A,B).
% 2.57/2.77  ---> New Demodulator: 108 [new_demod,107] complement(intersection(complement(A),complement(B)))=union(A,B).
% 2.57/2.77  ** KEPT (pick-wt=12): 110 [copy,109,demod,108] intersection(complement(intersection(A,B)),union(A,B))=symmetric_difference(A,B).
% 2.57/2.77  ---> New Demodulator: 111 [new_demod,110] intersection(complement(intersection(A,B)),union(A,B))=symmetric_difference(A,B).
% 2.57/2.77  ** KEPT (pick-wt=10): 112 [] intersection(A,cross_product(B,C))=restrict(A,B,C).
% 2.57/2.77  ---> New Demodulator: 113 [new_demod,112] intersection(A,cross_product(B,C))=restrict(A,B,C).
% 2.57/2.77  ** KEPT (pick-wt=10): 114 [] intersection(cross_product(A,B),C)=restrict(C,A,B).
% 2.57/2.77  ---> New Demodulator: 115 [new_demod,114] intersection(cross_product(A,B),C)=restrict(C,A,B).
% 2.57/2.77  ** KEPT (pick-wt=8): 116 [] subclass(rotate(A),cross_product(cross_product(universal_class,universal_class),universal_class)).
% 2.57/2.77  ** KEPT (pick-wt=8): 117 [] subclass(flip(A),cross_product(cross_product(universal_class,universal_class),universal_class)).
% 2.57/2.77  ** KEPT (pick-wt=8): 119 [copy,118,flip.1] inverse(A)=domain_of(flip(cross_product(A,universal_class))).
% 2.57/2.77  ---> New Demodulator: 120 [new_demod,119] inverse(A)=domain_of(flip(cross_product(A,universal_class))).
% 2.57/2.77  ** KEPT (pick-wt=9): 122 [copy,121,demod,120,flip.1] range_of(A)=domain_of(domain_of(flip(cross_product(A,universal_class)))).
% 2.57/2.77  ---> New Demodulator: 123 [new_demod,122] range_of(A)=domain_of(domain_of(flip(cross_product(A,universal_class)))).
% 2.57/2.77  ** KEPT (pick-wt=14): 125 [copy,124,demod,102] first(not_subclass_element(restrict(A,B,unordered_pair(C,C)),null_class))=domain(A,B,C).
% 2.57/2.77  ---> New Demodulator: 126 [new_demod,125] first(not_subclass_element(restrict(A,B,unordered_pair(C,C)),null_class))=domain(A,B,C).
% 2.57/2.77  ** KEPT (pick-wt=14): 128 [copy,127,demod,102] second(not_subclass_element(restrict(A,unordered_pair(B,B),C),null_class))=range(A,B,C).
% 2.57/2.77  ---> New Demodulator: 129 [new_demod,128] second(not_subclass_element(restrict(A,unordered_pair(B,B),C),null_class))=range(A,B,C).
% 2.57/2.77  ** KEPT (pick-wt=13): 131 [copy,130,demod,123] domain_of(domain_of(flip(cross_product(restrict(A,B,universal_class),universal_class))))=image(A,B).
% 2.57/2.77  ---> New Demodulator: 132 [new_demod,131] domain_of(domain_of(flip(cross_product(restrict(A,B,universal_class),universal_class))))=image(A,B).
% 2.57/2.77  ** KEPT (pick-wt=8): 134 [copy,133,demod,102,flip.1] successor(A)=union(A,unordered_pair(A,A)).
% 2.57/2.77  ---> New Demodulator: 135 [new_demod,134] successor(A)=union(A,unordered_pair(A,A)).
% 2.57/2.77  ** KEPT (pick-wt=5): 136 [] subclass(successor_relation,cross_product(universal_class,universal_class)).
% 2.57/2.77  ** KEPT (pick-wt=2): 137 [] inductive(omega).
% 2.57/2.77  ** KEPT (pick-wt=3): 138 [] member(omega,universal_class).
% 2.57/2.77  ** KEPT (pick-wt=8): 140 [copy,139,flip.1] sum_class(A)=domain_of(restrict(element_relation,universal_class,A)).
% 2.57/2.77  ---> New Demodulator: 141 [new_demod,140] sum_class(A)=domain_of(restrict(element_relation,universal_class,A)).
% 2.57/2.77  ** KEPT (pick-wt=8): 143 [copy,142,flip.1] power_class(A)=complement(image(element_relation,complement(A))).
% 2.57/2.77  ---> New Demodulator: 144 [new_demod,143] power_class(A)=complement(image(element_relation,complement(A))).
% 2.57/2.77  ** KEPT (pick-wt=7): 145 [] subclass(compose(A,B),cross_product(universal_class,universal_class)).
% 2.57/2.77  ** KEPT (pick-wt=7): 146 [] A=null_class|member(regular(A),A).
% 2.57/2.77  ** KEPT (pick-wt=9): 147 [] A=null_class|intersection(A,regular(A))=null_class.
% 2.57/2.77  ** KEPT (pick-wt=13): 149 [copy,148,demod,102,141] domain_of(restrict(element_relation,universal_class,image(A,unordered_pair(B,B))))=apply(A,B).
% 2.57/2.77  ---> New Demodulator: 150 [new_demod,149] domain_of(restrict(element_relation,universal_class,image(A,unordered_pair(B,B))))=apply(A,B).
% 2.57/2.77  ** KEPT (pick-wt=2): 151 [] function(choice).
% 2.57/2.77  ** KEPT (pick-wt=17): 153 [copy,152,demod,120,115,115] restrict(restrict(complement(compose(complement(element_relation),domain_of(flip(cross_product(element_relation,universal_class))))),universal_class,universal_class),universal_class,universal_class)=subset_relation.
% 2.57/2.77  ---> New Demodulator: 154 [new_demod,153] restrict(restrict(complement(compose(complement(element_relation),domain_of(flip(cross_product(element_relation,universal_class))))),universal_class,universal_class),universal_class,universal_class)=subset_relation.
% 2.57/2.77  ** KEPT (pick-wt=9): 156 [copy,155,demod,120] intersection(domain_of(flip(cross_product(subset_relation,universal_class))),subset_relation)=identity_relation.
% 2.57/2.78  ---> New Demodulator: 157 [new_demod,156] intersection(domain_of(flip(cross_product(subset_relation,universal_class))),subset_relation)=identity_relation.
% 2.57/2.78  ** KEPT (pick-wt=8): 158 [] complement(domain_of(intersection(A,identity_relation)))=diagonalise(A).
% 2.57/2.78  ---> New Demodulator: 159 [new_demod,158] complement(domain_of(intersection(A,identity_relation)))=diagonalise(A).
% 2.57/2.78  ** KEPT (pick-wt=14): 161 [copy,160,demod,120] intersection(domain_of(A),diagonalise(compose(domain_of(flip(cross_product(element_relation,universal_class))),A)))=cantor(A).
% 2.57/2.78  ---> New Demodulator: 162 [new_demod,161] intersection(domain_of(A),diagonalise(compose(domain_of(flip(cross_product(element_relation,universal_class))),A)))=cantor(A).
% 2.57/2.78  ** KEPT (pick-wt=3): 163 [] subclass(A,A).
% 2.57/2.78  ** KEPT (pick-wt=13): 164 [] A=B|member(not_subclass_element(A,B),A)|member(not_subclass_element(B,A),B).
% 2.57/2.78  ** KEPT (pick-wt=3): 165 [] subclass(null_class,A).
% 2.57/2.78  ** KEPT (pick-wt=8): 166 [] A=null_class|member(not_subclass_element(A,null_class),A).
% 2.57/2.78  ** KEPT (pick-wt=3): 167 [] member(null_class,universal_class).
% 2.57/2.78  ** KEPT (pick-wt=7): 168 [] unordered_pair(A,B)=unordered_pair(B,A).
% 2.57/2.78  ** KEPT (pick-wt=7): 170 [copy,169,demod,102] subclass(unordered_pair(A,A),unordered_pair(A,B)).
% 2.57/2.78  ** KEPT (pick-wt=7): 172 [copy,171,demod,102] subclass(unordered_pair(A,A),unordered_pair(B,A)).
% 2.57/2.78  ** KEPT (pick-wt=10): 174 [copy,173,demod,102] member(A,universal_class)|unordered_pair(B,A)=unordered_pair(B,B).
% 2.57/2.78  ** KEPT (pick-wt=10): 176 [copy,175,demod,102] member(A,universal_class)|unordered_pair(A,B)=unordered_pair(B,B).
% 2.57/2.78  ** KEPT (pick-wt=11): 177 [] unordered_pair(A,B)=null_class|member(A,universal_class)|member(B,universal_class).
% 2.57/2.78    Following clause subsumed by 99 during input processing: 0 [demod,102] member(unordered_pair(A,A),universal_class).
% 2.57/2.78  ** KEPT (pick-wt=9): 179 [copy,178,demod,102,102] member(unordered_pair(A,A),unordered_pair(B,unordered_pair(A,A))).
% 2.57/2.78  ** KEPT (pick-wt=5): 181 [copy,180,demod,102] member(null_class,unordered_pair(null_class,null_class)).
% 2.57/2.78  ** KEPT (pick-wt=8): 183 [copy,182,demod,102] member(A,universal_class)|unordered_pair(A,A)=null_class.
% 2.57/2.78  ** KEPT (pick-wt=7): 185 [copy,184,demod,102] unordered_pair(y,z)=unordered_pair(x,x).
% 2.57/2.78  ---> New Demodulator: 186 [new_demod,185] unordered_pair(y,z)=unordered_pair(x,x).
% 2.57/2.78  ** KEPT (pick-wt=3): 187 [] member(x,universal_class).
% 2.57/2.78    Following clause subsumed by 96 during input processing: 0 [copy,96,flip.1] A=A.
% 2.57/2.78  96 back subsumes 94.
% 2.57/2.78  96 back subsumes 86.
% 2.57/2.78  >>>> Starting back demodulation with 102.
% 2.57/2.78      >> back demodulating 81 with 102.
% 2.57/2.78      >> back demodulating 80 with 102.
% 2.57/2.78      >> back demodulating 79 with 102.
% 2.57/2.78      >> back demodulating 78 with 102.
% 2.57/2.78      >> back demodulating 77 with 102.
% 2.57/2.78      >> back demodulating 35 with 102.
% 2.57/2.78      >> back demodulating 34 with 102.
% 2.57/2.78      >> back demodulating 21 with 102.
% 2.57/2.78      >> back demodulating 20 with 102.
% 2.57/2.78  >>>> Starting back demodulation with 105.
% 2.57/2.78  >>>> Starting back demodulation with 108.
% 2.57/2.78  >>>> Starting back demodulation with 111.
% 2.57/2.78  >>>> Starting back demodulation with 113.
% 2.57/2.78  >>>> Starting back demodulation with 115.
% 2.57/2.78  >>>> Starting back demodulation with 120.
% 2.57/2.78      >> back demodulating 45 with 120.
% 2.57/2.78      >> back demodulating 44 with 120.
% 2.57/2.78      >> back demodulating 40 with 120.
% 2.57/2.78      >> back demodulating 39 with 120.
% 2.57/2.78      >> back demodulating 37 with 120.
% 2.57/2.78      >> back demodulating 36 with 120.
% 2.57/2.78  >>>> Starting back demodulation with 123.
% 2.57/2.78      >> back demodulating 53 with 123.
% 2.57/2.78      >> back demodulating 52 with 123.
% 2.57/2.78      >> back demodulating 49 with 123.
% 2.57/2.78      >> back demodulating 48 with 123.
% 2.57/2.78  >>>> Starting back demodulation with 126.
% 2.57/2.78  >>>> Starting back demodulation with 129.
% 2.57/2.78  >>>> Starting back demodulation with 132.
% 2.57/2.78  >>>> Starting back demodulation with 135.
% 2.57/2.78      >> back demodulating 27 with 135.
% 2.57/2.78      >> back demodulating 26 with 135.
% 2.57/2.78  >>>> Starting back demodulation with 141.
% 2.57/2.78      >> back demodulating 32 with 141.
% 2.57/2.78  >>>> Starting back demodulation with 144.
% 2.57/2.78      >> back demodulating 33 with 144.
% 2.57/2.78  >>>> Starting back demodulation with 150.
% 2.57/2.78  >>>> Starting back demodulation with 154.
% 3.18/3.34  >>>> Starting back demodulation with 157.
% 3.18/3.34  >>>> Starting back demodulation with 159.
% 3.18/3.34  >>>> Starting back demodulation with 162.
% 3.18/3.34    Following clause subsumed by 168 during input processing: 0 [copy,168,flip.1] unordered_pair(A,B)=unordered_pair(B,A).
% 3.18/3.34  >>>> Starting back demodulation with 186.
% 3.18/3.34  
% 3.18/3.34  ======= end of input processing =======
% 3.18/3.34  
% 3.18/3.34  =========== start of search ===========
% 3.18/3.34  
% 3.18/3.34  
% 3.18/3.34  Resetting weight limit to 6.
% 3.18/3.34  
% 3.18/3.34  
% 3.18/3.34  Resetting weight limit to 6.
% 3.18/3.34  
% 3.18/3.34  sos_size=563
% 3.18/3.34  
% 3.18/3.34  -------- PROOF -------- 
% 3.18/3.34  
% 3.18/3.34  ----> UNIT CONFLICT at   0.57 sec ----> 867 [binary,865.1,85.1] $F.
% 3.18/3.34  
% 3.18/3.34  Length of proof is 11.  Level of proof is 6.
% 3.18/3.34  
% 3.18/3.34  ---------------- PROOF ----------------
% 3.18/3.34  % SZS status Unsatisfiable
% 3.18/3.34  % SZS output start Refutation
% See solution above
% 3.18/3.34  ------------ end of proof -------------
% 3.18/3.34  
% 3.18/3.34  
% 3.18/3.34  Search stopped by max_proofs option.
% 3.18/3.34  
% 3.18/3.34  
% 3.18/3.34  Search stopped by max_proofs option.
% 3.18/3.34  
% 3.18/3.34  ============ end of search ============
% 3.18/3.34  
% 3.18/3.34  -------------- statistics -------------
% 3.18/3.34  clauses given                389
% 3.18/3.34  clauses generated          80933
% 3.18/3.34  clauses kept                 814
% 3.18/3.34  clauses forward subsumed    2437
% 3.18/3.34  clauses back subsumed         19
% 3.18/3.34  Kbytes malloced             5859
% 3.18/3.34  
% 3.18/3.34  ----------- times (seconds) -----------
% 3.18/3.34  user CPU time          0.57          (0 hr, 0 min, 0 sec)
% 3.18/3.34  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 3.18/3.34  wall-clock time        3             (0 hr, 0 min, 3 sec)
% 3.18/3.34  
% 3.18/3.34  That finishes the proof of the theorem.
% 3.18/3.34  
% 3.18/3.34  Process 20181 finished Wed Jul 27 10:37:43 2022
% 3.18/3.34  Otter interrupted
% 3.18/3.34  PROOF FOUND
%------------------------------------------------------------------------------