TSTP Solution File: SEU045+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SEU045+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n025.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 13:14:42 EDT 2022

% Result   : Theorem 2.29s 2.43s
% Output   : Refutation 2.29s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    3
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   12 (   9 unt;   0 nHn;   7 RR)
%            Number of literals    :   21 (   5 equ;  10 neg)
%            Maximal clause size   :    7 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    6 (   6 usr;   3 con; 0-2 aty)
%            Number of variables   :   11 (   5 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(16,axiom,
    ( ~ relation(A)
    | relation(relation_rng_restriction(B,A)) ),
    file('SEU045+1.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ relation(A)
    | ~ function(A)
    | function(relation_rng_restriction(B,A)) ),
    file('SEU045+1.p',unknown),
    [] ).

cnf(23,axiom,
    apply(relation_rng_restriction(dollar_c11,dollar_c9),dollar_c10) != apply(dollar_c9,dollar_c10),
    file('SEU045+1.p',unknown),
    [] ).

cnf(27,axiom,
    ( ~ relation(A)
    | ~ function(A)
    | ~ relation(B)
    | ~ function(B)
    | A != relation_rng_restriction(C,B)
    | ~ in(D,relation_dom(A))
    | apply(A,D) = apply(B,D) ),
    file('SEU045+1.p',unknown),
    [] ).

cnf(42,axiom,
    A = A,
    file('SEU045+1.p',unknown),
    [] ).

cnf(65,axiom,
    relation(dollar_c9),
    file('SEU045+1.p',unknown),
    [] ).

cnf(66,axiom,
    function(dollar_c9),
    file('SEU045+1.p',unknown),
    [] ).

cnf(67,axiom,
    in(dollar_c10,relation_dom(relation_rng_restriction(dollar_c11,dollar_c9))),
    file('SEU045+1.p',unknown),
    [] ).

cnf(226,plain,
    relation(relation_rng_restriction(A,dollar_c9)),
    inference(hyper,[status(thm)],[65,16]),
    [iquote('hyper,65,16')] ).

cnf(241,plain,
    function(relation_rng_restriction(A,dollar_c9)),
    inference(hyper,[status(thm)],[66,17,65]),
    [iquote('hyper,66,17,65')] ).

cnf(755,plain,
    apply(relation_rng_restriction(dollar_c11,dollar_c9),dollar_c10) = apply(dollar_c9,dollar_c10),
    inference(hyper,[status(thm)],[241,27,226,65,66,42,67]),
    [iquote('hyper,241,27,226,65,66,42,67')] ).

cnf(757,plain,
    $false,
    inference(binary,[status(thm)],[755,23]),
    [iquote('binary,755.1,23.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SEU045+1 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n025.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 07:58:30 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 2.14/2.30  ----- Otter 3.3f, August 2004 -----
% 2.14/2.30  The process was started by sandbox on n025.cluster.edu,
% 2.14/2.30  Wed Jul 27 07:58:30 2022
% 2.14/2.30  The command was "./otter".  The process ID is 8121.
% 2.14/2.30  
% 2.14/2.30  set(prolog_style_variables).
% 2.14/2.30  set(auto).
% 2.14/2.30     dependent: set(auto1).
% 2.14/2.30     dependent: set(process_input).
% 2.14/2.30     dependent: clear(print_kept).
% 2.14/2.30     dependent: clear(print_new_demod).
% 2.14/2.30     dependent: clear(print_back_demod).
% 2.14/2.30     dependent: clear(print_back_sub).
% 2.14/2.30     dependent: set(control_memory).
% 2.14/2.30     dependent: assign(max_mem, 12000).
% 2.14/2.30     dependent: assign(pick_given_ratio, 4).
% 2.14/2.30     dependent: assign(stats_level, 1).
% 2.14/2.30     dependent: assign(max_seconds, 10800).
% 2.14/2.30  clear(print_given).
% 2.14/2.30  
% 2.14/2.30  formula_list(usable).
% 2.14/2.30  all A (A=A).
% 2.14/2.30  all A B subset(A,A).
% 2.14/2.30  empty(empty_set).
% 2.14/2.30  relation(empty_set).
% 2.14/2.30  empty(empty_set).
% 2.14/2.30  relation(empty_set).
% 2.14/2.30  relation_empty_yielding(empty_set).
% 2.14/2.30  empty(empty_set).
% 2.14/2.30  all A exists B element(B,A).
% 2.14/2.30  all A (empty(A)->function(A)).
% 2.14/2.30  all A (relation(A)&empty(A)&function(A)->relation(A)&function(A)&one_to_one(A)).
% 2.14/2.30  all A (-empty(powerset(A))).
% 2.14/2.30  all A (-empty(A)&relation(A)-> -empty(relation_dom(A))).
% 2.14/2.30  all A (empty(A)->empty(relation_dom(A))&relation(relation_dom(A))).
% 2.14/2.30  all A (empty(A)->relation(A)).
% 2.14/2.30  all A B (element(A,B)->empty(B)|in(A,B)).
% 2.14/2.30  all A B (element(A,powerset(B))<->subset(A,B)).
% 2.14/2.30  all A B C (in(A,B)&element(B,powerset(C))->element(A,C)).
% 2.14/2.30  all A B C (-(in(A,B)&element(B,powerset(C))&empty(C))).
% 2.14/2.30  all A (empty(A)->A=empty_set).
% 2.14/2.30  all A B (-(empty(A)&A!=B&empty(B))).
% 2.14/2.30  all A B (in(A,B)-> -in(B,A)).
% 2.14/2.30  all A B (relation(B)->relation(relation_rng_restriction(A,B))).
% 2.14/2.30  all A B (relation(B)&function(B)->relation(relation_rng_restriction(A,B))&function(relation_rng_restriction(A,B))).
% 2.14/2.30  exists A (relation(A)&function(A)).
% 2.14/2.30  exists A (relation(A)&empty(A)&function(A)).
% 2.14/2.30  exists A (relation(A)&function(A)&one_to_one(A)).
% 2.14/2.30  all A (-empty(A)-> (exists B (element(B,powerset(A))& -empty(B)))).
% 2.14/2.30  all A exists B (element(B,powerset(A))&empty(B)).
% 2.14/2.30  exists A (empty(A)&relation(A)).
% 2.14/2.30  exists A (-empty(A)&relation(A)).
% 2.14/2.30  exists A (relation(A)&relation_empty_yielding(A)).
% 2.14/2.30  exists A empty(A).
% 2.14/2.30  exists A (-empty(A)).
% 2.14/2.30  all A B (in(A,B)->element(A,B)).
% 2.14/2.30  all A B (-(in(A,B)&empty(B))).
% 2.14/2.30  -(all A B C (relation(C)&function(C)-> (in(B,relation_dom(relation_rng_restriction(A,C)))->apply(relation_rng_restriction(A,C),B)=apply(C,B)))).
% 2.14/2.30  all A B (relation(B)&function(B)-> (all C (relation(C)&function(C)-> (B=relation_rng_restriction(A,C)<-> (all D (in(D,relation_dom(B))<->in(D,relation_dom(C))&in(apply(C,D),A)))& (all D (in(D,relation_dom(B))->apply(B,D)=apply(C,D))))))).
% 2.14/2.30  end_of_list.
% 2.14/2.30  
% 2.14/2.30  -------> usable clausifies to:
% 2.14/2.30  
% 2.14/2.30  list(usable).
% 2.14/2.30  0 [] A=A.
% 2.14/2.30  0 [] subset(A,A).
% 2.14/2.30  0 [] empty(empty_set).
% 2.14/2.30  0 [] relation(empty_set).
% 2.14/2.30  0 [] empty(empty_set).
% 2.14/2.30  0 [] relation(empty_set).
% 2.14/2.30  0 [] relation_empty_yielding(empty_set).
% 2.14/2.30  0 [] empty(empty_set).
% 2.14/2.30  0 [] element($f1(A),A).
% 2.14/2.30  0 [] -empty(A)|function(A).
% 2.14/2.30  0 [] -relation(A)| -empty(A)| -function(A)|one_to_one(A).
% 2.14/2.30  0 [] -empty(powerset(A)).
% 2.14/2.30  0 [] empty(A)| -relation(A)| -empty(relation_dom(A)).
% 2.14/2.30  0 [] -empty(A)|empty(relation_dom(A)).
% 2.14/2.30  0 [] -empty(A)|relation(relation_dom(A)).
% 2.14/2.30  0 [] -empty(A)|relation(A).
% 2.14/2.30  0 [] -element(A,B)|empty(B)|in(A,B).
% 2.14/2.30  0 [] -element(A,powerset(B))|subset(A,B).
% 2.14/2.30  0 [] element(A,powerset(B))| -subset(A,B).
% 2.14/2.30  0 [] -in(A,B)| -element(B,powerset(C))|element(A,C).
% 2.14/2.30  0 [] -in(A,B)| -element(B,powerset(C))| -empty(C).
% 2.14/2.30  0 [] -empty(A)|A=empty_set.
% 2.14/2.30  0 [] -empty(A)|A=B| -empty(B).
% 2.14/2.30  0 [] -in(A,B)| -in(B,A).
% 2.14/2.30  0 [] -relation(B)|relation(relation_rng_restriction(A,B)).
% 2.14/2.30  0 [] -relation(B)| -function(B)|relation(relation_rng_restriction(A,B)).
% 2.14/2.30  0 [] -relation(B)| -function(B)|function(relation_rng_restriction(A,B)).
% 2.14/2.30  0 [] relation($c1).
% 2.14/2.30  0 [] function($c1).
% 2.14/2.30  0 [] relation($c2).
% 2.14/2.30  0 [] empty($c2).
% 2.14/2.30  0 [] function($c2).
% 2.14/2.30  0 [] relation($c3).
% 2.14/2.30  0 [] function($c3).
% 2.14/2.30  0 [] one_to_one($c3).
% 2.14/2.30  0 [] empty(A)|element($f2(A),powerset(A)).
% 2.14/2.30  0 [] empty(A)| -empty($f2(A)).
% 2.14/2.30  0 [] element($f3(A),powerset(A)).
% 2.14/2.30  0 [] empty($f3(A)).
% 2.14/2.30  0 [] empty($c4).
% 2.14/2.30  0 [] relation($c4).
% 2.14/2.30  0 [] -empty($c5).
% 2.14/2.30  0 [] relation($c5).
% 2.14/2.30  0 [] relation($c6).
% 2.14/2.30  0 [] relation_empty_yielding($c6).
% 2.14/2.30  0 [] empty($c7).
% 2.14/2.30  0 [] -empty($c8).
% 2.14/2.30  0 [] -in(A,B)|element(A,B).
% 2.14/2.30  0 [] -in(A,B)| -empty(B).
% 2.14/2.30  0 [] relation($c9).
% 2.14/2.30  0 [] function($c9).
% 2.14/2.31  0 [] in($c10,relation_dom(relation_rng_restriction($c11,$c9))).
% 2.14/2.31  0 [] apply(relation_rng_restriction($c11,$c9),$c10)!=apply($c9,$c10).
% 2.14/2.31  0 [] -relation(B)| -function(B)| -relation(C)| -function(C)|B!=relation_rng_restriction(A,C)| -in(D,relation_dom(B))|in(D,relation_dom(C)).
% 2.14/2.31  0 [] -relation(B)| -function(B)| -relation(C)| -function(C)|B!=relation_rng_restriction(A,C)| -in(D,relation_dom(B))|in(apply(C,D),A).
% 2.14/2.31  0 [] -relation(B)| -function(B)| -relation(C)| -function(C)|B!=relation_rng_restriction(A,C)|in(D,relation_dom(B))| -in(D,relation_dom(C))| -in(apply(C,D),A).
% 2.14/2.31  0 [] -relation(B)| -function(B)| -relation(C)| -function(C)|B!=relation_rng_restriction(A,C)| -in(X1,relation_dom(B))|apply(B,X1)=apply(C,X1).
% 2.14/2.31  0 [] -relation(B)| -function(B)| -relation(C)| -function(C)|B=relation_rng_restriction(A,C)|in($f4(A,B,C),relation_dom(B))|in($f4(A,B,C),relation_dom(C))|in($f5(A,B,C),relation_dom(B)).
% 2.14/2.31  0 [] -relation(B)| -function(B)| -relation(C)| -function(C)|B=relation_rng_restriction(A,C)|in($f4(A,B,C),relation_dom(B))|in($f4(A,B,C),relation_dom(C))|apply(B,$f5(A,B,C))!=apply(C,$f5(A,B,C)).
% 2.14/2.31  0 [] -relation(B)| -function(B)| -relation(C)| -function(C)|B=relation_rng_restriction(A,C)|in($f4(A,B,C),relation_dom(B))|in(apply(C,$f4(A,B,C)),A)|in($f5(A,B,C),relation_dom(B)).
% 2.14/2.31  0 [] -relation(B)| -function(B)| -relation(C)| -function(C)|B=relation_rng_restriction(A,C)|in($f4(A,B,C),relation_dom(B))|in(apply(C,$f4(A,B,C)),A)|apply(B,$f5(A,B,C))!=apply(C,$f5(A,B,C)).
% 2.14/2.31  0 [] -relation(B)| -function(B)| -relation(C)| -function(C)|B=relation_rng_restriction(A,C)| -in($f4(A,B,C),relation_dom(B))| -in($f4(A,B,C),relation_dom(C))| -in(apply(C,$f4(A,B,C)),A)|in($f5(A,B,C),relation_dom(B)).
% 2.14/2.31  0 [] -relation(B)| -function(B)| -relation(C)| -function(C)|B=relation_rng_restriction(A,C)| -in($f4(A,B,C),relation_dom(B))| -in($f4(A,B,C),relation_dom(C))| -in(apply(C,$f4(A,B,C)),A)|apply(B,$f5(A,B,C))!=apply(C,$f5(A,B,C)).
% 2.14/2.31  end_of_list.
% 2.14/2.31  
% 2.14/2.31  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=9.
% 2.14/2.31  
% 2.14/2.31  This ia a non-Horn set with equality.  The strategy will be
% 2.14/2.31  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 2.14/2.31  deletion, with positive clauses in sos and nonpositive
% 2.14/2.31  clauses in usable.
% 2.14/2.31  
% 2.14/2.31     dependent: set(knuth_bendix).
% 2.14/2.31     dependent: set(anl_eq).
% 2.14/2.31     dependent: set(para_from).
% 2.14/2.31     dependent: set(para_into).
% 2.14/2.31     dependent: clear(para_from_right).
% 2.14/2.31     dependent: clear(para_into_right).
% 2.14/2.31     dependent: set(para_from_vars).
% 2.14/2.31     dependent: set(eq_units_both_ways).
% 2.14/2.31     dependent: set(dynamic_demod_all).
% 2.14/2.31     dependent: set(dynamic_demod).
% 2.14/2.31     dependent: set(order_eq).
% 2.14/2.31     dependent: set(back_demod).
% 2.14/2.31     dependent: set(lrpo).
% 2.14/2.31     dependent: set(hyper_res).
% 2.14/2.31     dependent: set(unit_deletion).
% 2.14/2.31     dependent: set(factor).
% 2.14/2.31  
% 2.14/2.31  ------------> process usable:
% 2.14/2.31  ** KEPT (pick-wt=4): 1 [] -empty(A)|function(A).
% 2.14/2.31  ** KEPT (pick-wt=8): 2 [] -relation(A)| -empty(A)| -function(A)|one_to_one(A).
% 2.14/2.31  ** KEPT (pick-wt=3): 3 [] -empty(powerset(A)).
% 2.14/2.31  ** KEPT (pick-wt=7): 4 [] empty(A)| -relation(A)| -empty(relation_dom(A)).
% 2.14/2.31  ** KEPT (pick-wt=5): 5 [] -empty(A)|empty(relation_dom(A)).
% 2.14/2.31  ** KEPT (pick-wt=5): 6 [] -empty(A)|relation(relation_dom(A)).
% 2.14/2.31  ** KEPT (pick-wt=4): 7 [] -empty(A)|relation(A).
% 2.14/2.31  ** KEPT (pick-wt=8): 8 [] -element(A,B)|empty(B)|in(A,B).
% 2.14/2.31  ** KEPT (pick-wt=7): 9 [] -element(A,powerset(B))|subset(A,B).
% 2.14/2.31  ** KEPT (pick-wt=7): 10 [] element(A,powerset(B))| -subset(A,B).
% 2.14/2.31  ** KEPT (pick-wt=10): 11 [] -in(A,B)| -element(B,powerset(C))|element(A,C).
% 2.14/2.31  ** KEPT (pick-wt=9): 12 [] -in(A,B)| -element(B,powerset(C))| -empty(C).
% 2.14/2.31  ** KEPT (pick-wt=5): 13 [] -empty(A)|A=empty_set.
% 2.14/2.31  ** KEPT (pick-wt=7): 14 [] -empty(A)|A=B| -empty(B).
% 2.14/2.31  ** KEPT (pick-wt=6): 15 [] -in(A,B)| -in(B,A).
% 2.14/2.31  ** KEPT (pick-wt=6): 16 [] -relation(A)|relation(relation_rng_restriction(B,A)).
% 2.14/2.31    Following clause subsumed by 16 during input processing: 0 [] -relation(A)| -function(A)|relation(relation_rng_restriction(B,A)).
% 2.14/2.31  ** KEPT (pick-wt=8): 17 [] -relation(A)| -function(A)|function(relation_rng_restriction(B,A)).
% 2.14/2.31  ** KEPT (pick-wt=5): 18 [] empty(A)| -empty($f2(A)).
% 2.14/2.31  ** KEPT (pick-wt=2): 19 [] -empty($c5).
% 2.14/2.31  ** KEPT (pick-wt=2): 20 [] -empty($c8).
% 2.14/2.31  ** KEPT (pick-wt=6): 21 [] -in(A,B)|element(A,B).
% 2.29/2.43  ** KEPT (pick-wt=5): 22 [] -in(A,B)| -empty(B).
% 2.29/2.43  ** KEPT (pick-wt=9): 23 [] apply(relation_rng_restriction($c11,$c9),$c10)!=apply($c9,$c10).
% 2.29/2.43  ** KEPT (pick-wt=21): 24 [] -relation(A)| -function(A)| -relation(B)| -function(B)|A!=relation_rng_restriction(C,B)| -in(D,relation_dom(A))|in(D,relation_dom(B)).
% 2.29/2.43  ** KEPT (pick-wt=22): 25 [] -relation(A)| -function(A)| -relation(B)| -function(B)|A!=relation_rng_restriction(C,B)| -in(D,relation_dom(A))|in(apply(B,D),C).
% 2.29/2.43  ** KEPT (pick-wt=26): 26 [] -relation(A)| -function(A)| -relation(B)| -function(B)|A!=relation_rng_restriction(C,B)|in(D,relation_dom(A))| -in(D,relation_dom(B))| -in(apply(B,D),C).
% 2.29/2.43  ** KEPT (pick-wt=24): 27 [] -relation(A)| -function(A)| -relation(B)| -function(B)|A!=relation_rng_restriction(C,B)| -in(D,relation_dom(A))|apply(A,D)=apply(B,D).
% 2.29/2.43  ** KEPT (pick-wt=34): 28 [] -relation(A)| -function(A)| -relation(B)| -function(B)|A=relation_rng_restriction(C,B)|in($f4(C,A,B),relation_dom(A))|in($f4(C,A,B),relation_dom(B))|in($f5(C,A,B),relation_dom(A)).
% 2.29/2.43  ** KEPT (pick-wt=40): 29 [] -relation(A)| -function(A)| -relation(B)| -function(B)|A=relation_rng_restriction(C,B)|in($f4(C,A,B),relation_dom(A))|in($f4(C,A,B),relation_dom(B))|apply(A,$f5(C,A,B))!=apply(B,$f5(C,A,B)).
% 2.29/2.43  ** KEPT (pick-wt=35): 30 [] -relation(A)| -function(A)| -relation(B)| -function(B)|A=relation_rng_restriction(C,B)|in($f4(C,A,B),relation_dom(A))|in(apply(B,$f4(C,A,B)),C)|in($f5(C,A,B),relation_dom(A)).
% 2.29/2.43  ** KEPT (pick-wt=41): 31 [] -relation(A)| -function(A)| -relation(B)| -function(B)|A=relation_rng_restriction(C,B)|in($f4(C,A,B),relation_dom(A))|in(apply(B,$f4(C,A,B)),C)|apply(A,$f5(C,A,B))!=apply(B,$f5(C,A,B)).
% 2.29/2.43  ** KEPT (pick-wt=42): 32 [] -relation(A)| -function(A)| -relation(B)| -function(B)|A=relation_rng_restriction(C,B)| -in($f4(C,A,B),relation_dom(A))| -in($f4(C,A,B),relation_dom(B))| -in(apply(B,$f4(C,A,B)),C)|in($f5(C,A,B),relation_dom(A)).
% 2.29/2.43  ** KEPT (pick-wt=48): 33 [] -relation(A)| -function(A)| -relation(B)| -function(B)|A=relation_rng_restriction(C,B)| -in($f4(C,A,B),relation_dom(A))| -in($f4(C,A,B),relation_dom(B))| -in(apply(B,$f4(C,A,B)),C)|apply(A,$f5(C,A,B))!=apply(B,$f5(C,A,B)).
% 2.29/2.43  
% 2.29/2.43  ------------> process sos:
% 2.29/2.43  ** KEPT (pick-wt=3): 42 [] A=A.
% 2.29/2.43  ** KEPT (pick-wt=3): 43 [] subset(A,A).
% 2.29/2.43  ** KEPT (pick-wt=2): 44 [] empty(empty_set).
% 2.29/2.43  ** KEPT (pick-wt=2): 45 [] relation(empty_set).
% 2.29/2.43    Following clause subsumed by 44 during input processing: 0 [] empty(empty_set).
% 2.29/2.43    Following clause subsumed by 45 during input processing: 0 [] relation(empty_set).
% 2.29/2.43  ** KEPT (pick-wt=2): 46 [] relation_empty_yielding(empty_set).
% 2.29/2.43    Following clause subsumed by 44 during input processing: 0 [] empty(empty_set).
% 2.29/2.43  ** KEPT (pick-wt=4): 47 [] element($f1(A),A).
% 2.29/2.43  ** KEPT (pick-wt=2): 48 [] relation($c1).
% 2.29/2.43  ** KEPT (pick-wt=2): 49 [] function($c1).
% 2.29/2.43  ** KEPT (pick-wt=2): 50 [] relation($c2).
% 2.29/2.43  ** KEPT (pick-wt=2): 51 [] empty($c2).
% 2.29/2.43  ** KEPT (pick-wt=2): 52 [] function($c2).
% 2.29/2.43  ** KEPT (pick-wt=2): 53 [] relation($c3).
% 2.29/2.43  ** KEPT (pick-wt=2): 54 [] function($c3).
% 2.29/2.43  ** KEPT (pick-wt=2): 55 [] one_to_one($c3).
% 2.29/2.43  ** KEPT (pick-wt=7): 56 [] empty(A)|element($f2(A),powerset(A)).
% 2.29/2.43  ** KEPT (pick-wt=5): 57 [] element($f3(A),powerset(A)).
% 2.29/2.43  ** KEPT (pick-wt=3): 58 [] empty($f3(A)).
% 2.29/2.43  ** KEPT (pick-wt=2): 59 [] empty($c4).
% 2.29/2.43  ** KEPT (pick-wt=2): 60 [] relation($c4).
% 2.29/2.43  ** KEPT (pick-wt=2): 61 [] relation($c5).
% 2.29/2.43  ** KEPT (pick-wt=2): 62 [] relation($c6).
% 2.29/2.43  ** KEPT (pick-wt=2): 63 [] relation_empty_yielding($c6).
% 2.29/2.43  ** KEPT (pick-wt=2): 64 [] empty($c7).
% 2.29/2.43  ** KEPT (pick-wt=2): 65 [] relation($c9).
% 2.29/2.43  ** KEPT (pick-wt=2): 66 [] function($c9).
% 2.29/2.43  ** KEPT (pick-wt=6): 67 [] in($c10,relation_dom(relation_rng_restriction($c11,$c9))).
% 2.29/2.43    Following clause subsumed by 42 during input processing: 0 [copy,42,flip.1] A=A.
% 2.29/2.43  42 back subsumes 37.
% 2.29/2.43  42 back subsumes 34.
% 2.29/2.43  
% 2.29/2.43  ======= end of input processing =======
% 2.29/2.43  
% 2.29/2.43  =========== start of search ===========
% 2.29/2.43  
% 2.29/2.43  -------- PROOF -------- 
% 2.29/2.43  
% 2.29/2.43  ----> UNIT CONFLICT at   0.12 sec ----> 757 [binary,755.1,23.1] $F.
% 2.29/2.43  
% 2.29/2.43  Length of proof is 3.  Level of proof is 2.
% 2.29/2.43  
% 2.29/2.43  ---------------- PROOF ----------------
% 2.29/2.43  % SZS status Theorem
% 2.29/2.43  % SZS output start Refutation
% See solution above
% 2.29/2.43  ------------ end of proof -------------
% 2.29/2.43  
% 2.29/2.43  
% 2.29/2.43  Search stopped by max_proofs option.
% 2.29/2.43  
% 2.29/2.43  
% 2.29/2.43  Search stopped by max_proofs option.
% 2.29/2.43  
% 2.29/2.43  ============ end of search ============
% 2.29/2.43  
% 2.29/2.43  -------------- statistics -------------
% 2.29/2.43  clauses given                 47
% 2.29/2.43  clauses generated           1418
% 2.29/2.43  clauses kept                 750
% 2.29/2.43  clauses forward subsumed     830
% 2.29/2.43  clauses back subsumed         22
% 2.29/2.43  Kbytes malloced             3906
% 2.29/2.43  
% 2.29/2.43  ----------- times (seconds) -----------
% 2.29/2.43  user CPU time          0.12          (0 hr, 0 min, 0 sec)
% 2.29/2.43  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 2.29/2.43  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.29/2.43  
% 2.29/2.43  That finishes the proof of the theorem.
% 2.29/2.43  
% 2.29/2.43  Process 8121 finished Wed Jul 27 07:58:32 2022
% 2.29/2.43  Otter interrupted
% 2.29/2.43  PROOF FOUND
%------------------------------------------------------------------------------