TSTP Solution File: SEU295+3 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SEU295+3 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n026.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 13:15:30 EDT 2022

% Result   : Theorem 2.15s 2.35s
% Output   : Refutation 2.15s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :    3
% Syntax   : Number of clauses     :    5 (   4 unt;   0 nHn;   3 RR)
%            Number of literals    :    6 (   0 equ;   2 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-2 aty)
%            Number of variables   :    3 (   2 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(19,axiom,
    ( ~ finite(A)
    | finite(set_intersection2(A,B)) ),
    file('SEU295+3.p',unknown),
    [] ).

cnf(32,axiom,
    ~ finite(set_intersection2(dollar_c23,dollar_c22)),
    file('SEU295+3.p',unknown),
    [] ).

cnf(136,axiom,
    finite(dollar_c23),
    file('SEU295+3.p',unknown),
    [] ).

cnf(391,plain,
    finite(set_intersection2(dollar_c23,A)),
    inference(hyper,[status(thm)],[136,19]),
    [iquote('hyper,136,19')] ).

cnf(392,plain,
    $false,
    inference(binary,[status(thm)],[391,32]),
    [iquote('binary,391.1,32.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.12  % Problem  : SEU295+3 : TPTP v8.1.0. Released v3.2.0.
% 0.00/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n026.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 08:03:39 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 2.15/2.35  ----- Otter 3.3f, August 2004 -----
% 2.15/2.35  The process was started by sandbox2 on n026.cluster.edu,
% 2.15/2.35  Wed Jul 27 08:03:39 2022
% 2.15/2.35  The command was "./otter".  The process ID is 12103.
% 2.15/2.35  
% 2.15/2.35  set(prolog_style_variables).
% 2.15/2.35  set(auto).
% 2.15/2.35     dependent: set(auto1).
% 2.15/2.35     dependent: set(process_input).
% 2.15/2.35     dependent: clear(print_kept).
% 2.15/2.35     dependent: clear(print_new_demod).
% 2.15/2.35     dependent: clear(print_back_demod).
% 2.15/2.35     dependent: clear(print_back_sub).
% 2.15/2.35     dependent: set(control_memory).
% 2.15/2.35     dependent: assign(max_mem, 12000).
% 2.15/2.35     dependent: assign(pick_given_ratio, 4).
% 2.15/2.35     dependent: assign(stats_level, 1).
% 2.15/2.35     dependent: assign(max_seconds, 10800).
% 2.15/2.35  clear(print_given).
% 2.15/2.35  
% 2.15/2.35  formula_list(usable).
% 2.15/2.35  all A (A=A).
% 2.15/2.35  all A B (in(A,B)-> -in(B,A)).
% 2.15/2.35  all A (ordinal(A)-> (all B (element(B,A)->epsilon_transitive(B)&epsilon_connected(B)&ordinal(B)))).
% 2.15/2.35  all A (empty(A)->finite(A)).
% 2.15/2.35  all A (empty(A)->function(A)).
% 2.15/2.35  all A (ordinal(A)->epsilon_transitive(A)&epsilon_connected(A)).
% 2.15/2.35  all A (empty(A)->relation(A)).
% 2.15/2.35  all A (empty(A)&ordinal(A)->epsilon_transitive(A)&epsilon_connected(A)&ordinal(A)&natural(A)).
% 2.15/2.35  all A (finite(A)-> (all B (element(B,powerset(A))->finite(B)))).
% 2.15/2.35  all A (relation(A)&empty(A)&function(A)->relation(A)&function(A)&one_to_one(A)).
% 2.15/2.35  all A (epsilon_transitive(A)&epsilon_connected(A)->ordinal(A)).
% 2.15/2.35  all A (empty(A)->epsilon_transitive(A)&epsilon_connected(A)&ordinal(A)).
% 2.15/2.35  all A (element(A,positive_rationals)-> (ordinal(A)->epsilon_transitive(A)&epsilon_connected(A)&ordinal(A)&natural(A))).
% 2.15/2.35  all A B (set_intersection2(A,B)=set_intersection2(B,A)).
% 2.15/2.35  all A exists B element(B,A).
% 2.15/2.35  all A B (finite(B)->finite(set_intersection2(A,B))).
% 2.15/2.35  all A B (finite(A)->finite(set_intersection2(A,B))).
% 2.15/2.35  empty(empty_set).
% 2.15/2.35  relation(empty_set).
% 2.15/2.35  relation_empty_yielding(empty_set).
% 2.15/2.35  all A B (relation(A)&relation(B)->relation(set_intersection2(A,B))).
% 2.15/2.35  all A (-empty(powerset(A))).
% 2.15/2.35  empty(empty_set).
% 2.15/2.35  relation(empty_set).
% 2.15/2.35  relation_empty_yielding(empty_set).
% 2.15/2.35  function(empty_set).
% 2.15/2.35  one_to_one(empty_set).
% 2.15/2.35  empty(empty_set).
% 2.15/2.35  epsilon_transitive(empty_set).
% 2.15/2.35  epsilon_connected(empty_set).
% 2.15/2.35  ordinal(empty_set).
% 2.15/2.35  empty(empty_set).
% 2.15/2.35  relation(empty_set).
% 2.15/2.35  -empty(positive_rationals).
% 2.15/2.35  all A B (set_intersection2(A,A)=A).
% 2.15/2.35  exists A (-empty(A)&epsilon_transitive(A)&epsilon_connected(A)&ordinal(A)&natural(A)).
% 2.15/2.35  exists A (-empty(A)&finite(A)).
% 2.15/2.35  exists A (relation(A)&function(A)&function_yielding(A)).
% 2.15/2.35  exists A (relation(A)&function(A)).
% 2.15/2.35  exists A (epsilon_transitive(A)&epsilon_connected(A)&ordinal(A)).
% 2.15/2.35  exists A (epsilon_transitive(A)&epsilon_connected(A)&ordinal(A)&being_limit_ordinal(A)).
% 2.15/2.35  exists A (empty(A)&relation(A)).
% 2.15/2.35  all A (-empty(A)-> (exists B (element(B,powerset(A))& -empty(B)))).
% 2.15/2.35  exists A empty(A).
% 2.15/2.35  exists A (element(A,positive_rationals)& -empty(A)&epsilon_transitive(A)&epsilon_connected(A)&ordinal(A)).
% 2.15/2.35  all A exists B (element(B,powerset(A))&empty(B)&relation(B)&function(B)&one_to_one(B)&epsilon_transitive(B)&epsilon_connected(B)&ordinal(B)&natural(B)&finite(B)).
% 2.15/2.35  exists A (relation(A)&empty(A)&function(A)).
% 2.15/2.35  exists A (relation(A)&function(A)&one_to_one(A)&empty(A)&epsilon_transitive(A)&epsilon_connected(A)&ordinal(A)).
% 2.15/2.35  exists A (relation(A)&function(A)&transfinite_se_quence(A)&ordinal_yielding(A)).
% 2.15/2.35  exists A (-empty(A)&relation(A)).
% 2.15/2.35  all A exists B (element(B,powerset(A))&empty(B)).
% 2.15/2.35  exists A (-empty(A)).
% 2.15/2.35  exists A (element(A,positive_rationals)&empty(A)&epsilon_transitive(A)&epsilon_connected(A)&ordinal(A)&natural(A)).
% 2.15/2.35  all A (-empty(A)-> (exists B (element(B,powerset(A))& -empty(B)&finite(B)))).
% 2.15/2.35  exists A (relation(A)&function(A)&one_to_one(A)).
% 2.15/2.35  exists A (-empty(A)&epsilon_transitive(A)&epsilon_connected(A)&ordinal(A)).
% 2.15/2.35  exists A (relation(A)&relation_empty_yielding(A)).
% 2.15/2.35  exists A (relation(A)&relation_empty_yielding(A)&function(A)).
% 2.15/2.35  exists A (relation(A)&function(A)&transfinite_se_quence(A)).
% 2.15/2.35  exists A (relation(A)&relation_non_empty(A)&function(A)).
% 2.15/2.35  all A B subset(A,A).
% 2.15/2.35  all A B (subset(A,B)&finite(B)->finite(A)).
% 2.15/2.35  -(all A B (finite(A)->finite(set_intersection2(A,B)))).
% 2.15/2.35  all A B subset(set_intersection2(A,B),A).
% 2.15/2.35  all A B (in(A,B)->element(A,B)).
% 2.15/2.35  all A (set_intersection2(A,empty_set)=empty_set).
% 2.15/2.35  all A B (element(A,B)->empty(B)|in(A,B)).
% 2.15/2.35  all A B (element(A,powerset(B))<->subset(A,B)).
% 2.15/2.35  all A B C (in(A,B)&element(B,powerset(C))->element(A,C)).
% 2.15/2.35  all A B C (-(in(A,B)&element(B,powerset(C))&empty(C))).
% 2.15/2.35  all A (empty(A)->A=empty_set).
% 2.15/2.35  all A B (-(in(A,B)&empty(B))).
% 2.15/2.35  all A B (-(empty(A)&A!=B&empty(B))).
% 2.15/2.35  end_of_list.
% 2.15/2.35  
% 2.15/2.35  -------> usable clausifies to:
% 2.15/2.35  
% 2.15/2.35  list(usable).
% 2.15/2.35  0 [] A=A.
% 2.15/2.35  0 [] -in(A,B)| -in(B,A).
% 2.15/2.35  0 [] -ordinal(A)| -element(B,A)|epsilon_transitive(B).
% 2.15/2.35  0 [] -ordinal(A)| -element(B,A)|epsilon_connected(B).
% 2.15/2.35  0 [] -ordinal(A)| -element(B,A)|ordinal(B).
% 2.15/2.35  0 [] -empty(A)|finite(A).
% 2.15/2.35  0 [] -empty(A)|function(A).
% 2.15/2.35  0 [] -ordinal(A)|epsilon_transitive(A).
% 2.15/2.35  0 [] -ordinal(A)|epsilon_connected(A).
% 2.15/2.35  0 [] -empty(A)|relation(A).
% 2.15/2.35  0 [] -empty(A)| -ordinal(A)|epsilon_transitive(A).
% 2.15/2.35  0 [] -empty(A)| -ordinal(A)|epsilon_connected(A).
% 2.15/2.35  0 [] -empty(A)| -ordinal(A)|natural(A).
% 2.15/2.35  0 [] -finite(A)| -element(B,powerset(A))|finite(B).
% 2.15/2.35  0 [] -relation(A)| -empty(A)| -function(A)|one_to_one(A).
% 2.15/2.35  0 [] -epsilon_transitive(A)| -epsilon_connected(A)|ordinal(A).
% 2.15/2.35  0 [] -empty(A)|epsilon_transitive(A).
% 2.15/2.35  0 [] -empty(A)|epsilon_connected(A).
% 2.15/2.35  0 [] -empty(A)|ordinal(A).
% 2.15/2.35  0 [] -element(A,positive_rationals)| -ordinal(A)|epsilon_transitive(A).
% 2.15/2.35  0 [] -element(A,positive_rationals)| -ordinal(A)|epsilon_connected(A).
% 2.15/2.35  0 [] -element(A,positive_rationals)| -ordinal(A)|natural(A).
% 2.15/2.35  0 [] set_intersection2(A,B)=set_intersection2(B,A).
% 2.15/2.35  0 [] element($f1(A),A).
% 2.15/2.35  0 [] -finite(B)|finite(set_intersection2(A,B)).
% 2.15/2.35  0 [] -finite(A)|finite(set_intersection2(A,B)).
% 2.15/2.35  0 [] empty(empty_set).
% 2.15/2.35  0 [] relation(empty_set).
% 2.15/2.35  0 [] relation_empty_yielding(empty_set).
% 2.15/2.35  0 [] -relation(A)| -relation(B)|relation(set_intersection2(A,B)).
% 2.15/2.35  0 [] -empty(powerset(A)).
% 2.15/2.35  0 [] empty(empty_set).
% 2.15/2.35  0 [] relation(empty_set).
% 2.15/2.35  0 [] relation_empty_yielding(empty_set).
% 2.15/2.35  0 [] function(empty_set).
% 2.15/2.35  0 [] one_to_one(empty_set).
% 2.15/2.35  0 [] empty(empty_set).
% 2.15/2.35  0 [] epsilon_transitive(empty_set).
% 2.15/2.35  0 [] epsilon_connected(empty_set).
% 2.15/2.35  0 [] ordinal(empty_set).
% 2.15/2.35  0 [] empty(empty_set).
% 2.15/2.35  0 [] relation(empty_set).
% 2.15/2.35  0 [] -empty(positive_rationals).
% 2.15/2.35  0 [] set_intersection2(A,A)=A.
% 2.15/2.35  0 [] -empty($c1).
% 2.15/2.35  0 [] epsilon_transitive($c1).
% 2.15/2.35  0 [] epsilon_connected($c1).
% 2.15/2.35  0 [] ordinal($c1).
% 2.15/2.35  0 [] natural($c1).
% 2.15/2.35  0 [] -empty($c2).
% 2.15/2.35  0 [] finite($c2).
% 2.15/2.35  0 [] relation($c3).
% 2.15/2.35  0 [] function($c3).
% 2.15/2.35  0 [] function_yielding($c3).
% 2.15/2.35  0 [] relation($c4).
% 2.15/2.35  0 [] function($c4).
% 2.15/2.35  0 [] epsilon_transitive($c5).
% 2.15/2.35  0 [] epsilon_connected($c5).
% 2.15/2.35  0 [] ordinal($c5).
% 2.15/2.35  0 [] epsilon_transitive($c6).
% 2.15/2.35  0 [] epsilon_connected($c6).
% 2.15/2.35  0 [] ordinal($c6).
% 2.15/2.35  0 [] being_limit_ordinal($c6).
% 2.15/2.35  0 [] empty($c7).
% 2.15/2.35  0 [] relation($c7).
% 2.15/2.35  0 [] empty(A)|element($f2(A),powerset(A)).
% 2.15/2.35  0 [] empty(A)| -empty($f2(A)).
% 2.15/2.35  0 [] empty($c8).
% 2.15/2.35  0 [] element($c9,positive_rationals).
% 2.15/2.35  0 [] -empty($c9).
% 2.15/2.35  0 [] epsilon_transitive($c9).
% 2.15/2.35  0 [] epsilon_connected($c9).
% 2.15/2.35  0 [] ordinal($c9).
% 2.15/2.35  0 [] element($f3(A),powerset(A)).
% 2.15/2.35  0 [] empty($f3(A)).
% 2.15/2.35  0 [] relation($f3(A)).
% 2.15/2.35  0 [] function($f3(A)).
% 2.15/2.35  0 [] one_to_one($f3(A)).
% 2.15/2.35  0 [] epsilon_transitive($f3(A)).
% 2.15/2.35  0 [] epsilon_connected($f3(A)).
% 2.15/2.35  0 [] ordinal($f3(A)).
% 2.15/2.35  0 [] natural($f3(A)).
% 2.15/2.35  0 [] finite($f3(A)).
% 2.15/2.35  0 [] relation($c10).
% 2.15/2.35  0 [] empty($c10).
% 2.15/2.35  0 [] function($c10).
% 2.15/2.35  0 [] relation($c11).
% 2.15/2.35  0 [] function($c11).
% 2.15/2.35  0 [] one_to_one($c11).
% 2.15/2.35  0 [] empty($c11).
% 2.15/2.35  0 [] epsilon_transitive($c11).
% 2.15/2.35  0 [] epsilon_connected($c11).
% 2.15/2.35  0 [] ordinal($c11).
% 2.15/2.35  0 [] relation($c12).
% 2.15/2.35  0 [] function($c12).
% 2.15/2.35  0 [] transfinite_se_quence($c12).
% 2.15/2.35  0 [] ordinal_yielding($c12).
% 2.15/2.35  0 [] -empty($c13).
% 2.15/2.35  0 [] relation($c13).
% 2.15/2.35  0 [] element($f4(A),powerset(A)).
% 2.15/2.35  0 [] empty($f4(A)).
% 2.15/2.35  0 [] -empty($c14).
% 2.15/2.35  0 [] element($c15,positive_rationals).
% 2.15/2.35  0 [] empty($c15).
% 2.15/2.35  0 [] epsilon_transitive($c15).
% 2.15/2.35  0 [] epsilon_connected($c15).
% 2.15/2.35  0 [] ordinal($c15).
% 2.15/2.35  0 [] natural($c15).
% 2.15/2.35  0 [] empty(A)|element($f5(A),powerset(A)).
% 2.15/2.35  0 [] empty(A)| -empty($f5(A)).
% 2.15/2.35  0 [] empty(A)|finite($f5(A)).
% 2.15/2.35  0 [] relation($c16).
% 2.15/2.35  0 [] function($c16).
% 2.15/2.35  0 [] one_to_one($c16).
% 2.15/2.35  0 [] -empty($c17).
% 2.15/2.35  0 [] epsilon_transitive($c17).
% 2.15/2.35  0 [] epsilon_connected($c17).
% 2.15/2.35  0 [] ordinal($c17).
% 2.15/2.35  0 [] relation($c18).
% 2.15/2.35  0 [] relation_empty_yielding($c18).
% 2.15/2.35  0 [] relation($c19).
% 2.15/2.35  0 [] relation_empty_yielding($c19).
% 2.15/2.35  0 [] function($c19).
% 2.15/2.35  0 [] relation($c20).
% 2.15/2.35  0 [] function($c20).
% 2.15/2.35  0 [] transfinite_se_quence($c20).
% 2.15/2.35  0 [] relation($c21).
% 2.15/2.35  0 [] relation_non_empty($c21).
% 2.15/2.35  0 [] function($c21).
% 2.15/2.35  0 [] subset(A,A).
% 2.15/2.35  0 [] -subset(A,B)| -finite(B)|finite(A).
% 2.15/2.35  0 [] finite($c23).
% 2.15/2.35  0 [] -finite(set_intersection2($c23,$c22)).
% 2.15/2.35  0 [] subset(set_intersection2(A,B),A).
% 2.15/2.35  0 [] -in(A,B)|element(A,B).
% 2.15/2.35  0 [] set_intersection2(A,empty_set)=empty_set.
% 2.15/2.35  0 [] -element(A,B)|empty(B)|in(A,B).
% 2.15/2.35  0 [] -element(A,powerset(B))|subset(A,B).
% 2.15/2.35  0 [] element(A,powerset(B))| -subset(A,B).
% 2.15/2.35  0 [] -in(A,B)| -element(B,powerset(C))|element(A,C).
% 2.15/2.35  0 [] -in(A,B)| -element(B,powerset(C))| -empty(C).
% 2.15/2.35  0 [] -empty(A)|A=empty_set.
% 2.15/2.35  0 [] -in(A,B)| -empty(B).
% 2.15/2.35  0 [] -empty(A)|A=B| -empty(B).
% 2.15/2.35  end_of_list.
% 2.15/2.35  
% 2.15/2.35  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=4.
% 2.15/2.35  
% 2.15/2.35  This ia a non-Horn set with equality.  The strategy will be
% 2.15/2.35  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 2.15/2.35  deletion, with positive clauses in sos and nonpositive
% 2.15/2.35  clauses in usable.
% 2.15/2.35  
% 2.15/2.35     dependent: set(knuth_bendix).
% 2.15/2.35     dependent: set(anl_eq).
% 2.15/2.35     dependent: set(para_from).
% 2.15/2.35     dependent: set(para_into).
% 2.15/2.35     dependent: clear(para_from_right).
% 2.15/2.35     dependent: clear(para_into_right).
% 2.15/2.35     dependent: set(para_from_vars).
% 2.15/2.35     dependent: set(eq_units_both_ways).
% 2.15/2.35     dependent: set(dynamic_demod_all).
% 2.15/2.35     dependent: set(dynamic_demod).
% 2.15/2.35     dependent: set(order_eq).
% 2.15/2.35     dependent: set(back_demod).
% 2.15/2.35     dependent: set(lrpo).
% 2.15/2.35     dependent: set(hyper_res).
% 2.15/2.35     dependent: set(unit_deletion).
% 2.15/2.35     dependent: set(factor).
% 2.15/2.35  
% 2.15/2.35  ------------> process usable:
% 2.15/2.35  ** KEPT (pick-wt=6): 1 [] -in(A,B)| -in(B,A).
% 2.15/2.35  ** KEPT (pick-wt=7): 2 [] -ordinal(A)| -element(B,A)|epsilon_transitive(B).
% 2.15/2.35  ** KEPT (pick-wt=7): 3 [] -ordinal(A)| -element(B,A)|epsilon_connected(B).
% 2.15/2.35  ** KEPT (pick-wt=7): 4 [] -ordinal(A)| -element(B,A)|ordinal(B).
% 2.15/2.35  ** KEPT (pick-wt=4): 5 [] -empty(A)|finite(A).
% 2.15/2.35  ** KEPT (pick-wt=4): 6 [] -empty(A)|function(A).
% 2.15/2.35  ** KEPT (pick-wt=4): 7 [] -ordinal(A)|epsilon_transitive(A).
% 2.15/2.35  ** KEPT (pick-wt=4): 8 [] -ordinal(A)|epsilon_connected(A).
% 2.15/2.35  ** KEPT (pick-wt=4): 9 [] -empty(A)|relation(A).
% 2.15/2.35    Following clause subsumed by 7 during input processing: 0 [] -empty(A)| -ordinal(A)|epsilon_transitive(A).
% 2.15/2.35    Following clause subsumed by 8 during input processing: 0 [] -empty(A)| -ordinal(A)|epsilon_connected(A).
% 2.15/2.35  ** KEPT (pick-wt=6): 10 [] -empty(A)| -ordinal(A)|natural(A).
% 2.15/2.35  ** KEPT (pick-wt=8): 11 [] -finite(A)| -element(B,powerset(A))|finite(B).
% 2.15/2.35  ** KEPT (pick-wt=8): 12 [] -relation(A)| -empty(A)| -function(A)|one_to_one(A).
% 2.15/2.35  ** KEPT (pick-wt=6): 13 [] -epsilon_transitive(A)| -epsilon_connected(A)|ordinal(A).
% 2.15/2.35  ** KEPT (pick-wt=4): 14 [] -empty(A)|epsilon_transitive(A).
% 2.15/2.35  ** KEPT (pick-wt=4): 15 [] -empty(A)|epsilon_connected(A).
% 2.15/2.35  ** KEPT (pick-wt=4): 16 [] -empty(A)|ordinal(A).
% 2.15/2.35    Following clause subsumed by 7 during input processing: 0 [] -element(A,positive_rationals)| -ordinal(A)|epsilon_transitive(A).
% 2.15/2.35    Following clause subsumed by 8 during input processing: 0 [] -element(A,positive_rationals)| -ordinal(A)|epsilon_connected(A).
% 2.15/2.35  ** KEPT (pick-wt=7): 17 [] -element(A,positive_rationals)| -ordinal(A)|natural(A).
% 2.15/2.35  ** KEPT (pick-wt=6): 18 [] -finite(A)|finite(set_intersection2(B,A)).
% 2.15/2.35  ** KEPT (pick-wt=6): 19 [] -finite(A)|finite(set_intersection2(A,B)).
% 2.15/2.35  ** KEPT (pick-wt=8): 20 [] -relation(A)| -relation(B)|relation(set_intersection2(A,B)).
% 2.15/2.35  ** KEPT (pick-wt=3): 21 [] -empty(powerset(A)).
% 2.15/2.35  ** KEPT (pick-wt=2): 22 [] -empty(positive_rationals).
% 2.15/2.35  ** KEPT (pick-wt=2): 23 [] -empty($c1).
% 2.15/2.35  ** KEPT (pick-wt=2): 24 [] -empty($c2).
% 2.15/2.35  ** KEPT (pick-wt=5): 25 [] empty(A)| -empty($f2(A)).
% 2.15/2.35  ** KEPT (pick-wt=2): 26 [] -empty($c9).
% 2.15/2.35  ** KEPT (pick-wt=2): 27 [] -empty($c13).
% 2.15/2.35  ** KEPT (pick-wt=2): 28 [] -empty($c14).
% 2.15/2.35  ** KEPT (pick-wt=5): 29 [] empty(A)| -empty($f5(A)).
% 2.15/2.35  ** KEPT (pick-wt=2): 30 [] -empty($c17).
% 2.15/2.35  ** KEPT (pick-wt=7): 31 [] -subset(A,B)| -finite(B)|finite(A).
% 2.15/2.35  ** KEPT (pick-wt=4): 32 [] -finite(set_intersection2($c23,$c22)).
% 2.15/2.35  ** KEPT (pick-wt=6): 33 [] -in(A,B)|element(A,B).
% 2.15/2.35  ** KEPT (pick-wt=8): 34 [] -element(A,B)|empty(B)|in(A,B).
% 2.15/2.35  ** KEPT (pick-wt=7): 35 [] -element(A,powerset(B))|subset(A,B).
% 2.15/2.35  ** KEPT (pick-wt=7): 36 [] element(A,powerset(B))| -subset(A,B).
% 2.15/2.35  ** KEPT (pick-wt=10): 37 [] -in(A,B)| -element(B,powerset(C))|element(A,C).
% 2.15/2.35  ** KEPT (pick-wt=9): 38 [] -in(A,B)| -element(B,powerset(C))| -empty(C).
% 2.15/2.35  ** KEPT (pick-wt=5): 39 [] -empty(A)|A=empty_set.
% 2.15/2.35  ** KEPT (pick-wt=5): 40 [] -in(A,B)| -empty(B).
% 2.15/2.35  ** KEPT (pick-wt=7): 41 [] -empty(A)|A=B| -empty(B).
% 2.15/2.35  
% 2.15/2.35  ------------> process sos:
% 2.15/2.35  ** KEPT (pick-wt=3): 45 [] A=A.
% 2.15/2.35  ** KEPT (pick-wt=7): 46 [] set_intersection2(A,B)=set_intersection2(B,A).
% 2.15/2.35  ** KEPT (pick-wt=4): 47 [] element($f1(A),A).
% 2.15/2.35  ** KEPT (pick-wt=2): 48 [] empty(empty_set).
% 2.15/2.35  ** KEPT (pick-wt=2): 49 [] relation(empty_set).
% 2.15/2.35  ** KEPT (pick-wt=2): 50 [] relation_empty_yielding(empty_set).
% 2.15/2.35    Following clause subsumed by 48 during input processing: 0 [] empty(empty_set).
% 2.15/2.35    Following clause subsumed by 49 during input processing: 0 [] relation(empty_set).
% 2.15/2.35    Following clause subsumed by 50 during input processing: 0 [] relation_empty_yielding(empty_set).
% 2.15/2.35  ** KEPT (pick-wt=2): 51 [] function(empty_set).
% 2.15/2.35  ** KEPT (pick-wt=2): 52 [] one_to_one(empty_set).
% 2.15/2.35    Following clause subsumed by 48 during input processing: 0 [] empty(empty_set).
% 2.15/2.35  ** KEPT (pick-wt=2): 53 [] epsilon_transitive(empty_set).
% 2.15/2.35  ** KEPT (pick-wt=2): 54 [] epsilon_connected(empty_set).
% 2.15/2.35  ** KEPT (pick-wt=2): 55 [] ordinal(empty_set).
% 2.15/2.35    Following clause subsumed by 48 during input processing: 0 [] empty(empty_set).
% 2.15/2.35    Following clause subsumed by 49 during input processing: 0 [] relation(empty_set).
% 2.15/2.35  ** KEPT (pick-wt=5): 56 [] set_intersection2(A,A)=A.
% 2.15/2.35  ---> New Demodulator: 57 [new_demod,56] set_intersection2(A,A)=A.
% 2.15/2.35  ** KEPT (pick-wt=2): 58 [] epsilon_transitive($c1).
% 2.15/2.35  ** KEPT (pick-wt=2): 59 [] epsilon_connected($c1).
% 2.15/2.35  ** KEPT (pick-wt=2): 60 [] ordinal($c1).
% 2.15/2.35  ** KEPT (pick-wt=2): 61 [] natural($c1).
% 2.15/2.35  ** KEPT (pick-wt=2): 62 [] finite($c2).
% 2.15/2.35  ** KEPT (pick-wt=2): 63 [] relation($c3).
% 2.15/2.35  ** KEPT (pick-wt=2): 64 [] function($c3).
% 2.15/2.35  ** KEPT (pick-wt=2): 65 [] function_yielding($c3).
% 2.15/2.35  ** KEPT (pick-wt=2): 66 [] relation($c4).
% 2.15/2.35  ** KEPT (pick-wt=2): 67 [] function($c4).
% 2.15/2.35  ** KEPT (pick-wt=2): 68 [] epsilon_transitive($c5).
% 2.15/2.35  ** KEPT (pick-wt=2): 69 [] epsilon_connected($c5).
% 2.15/2.35  ** KEPT (pick-wt=2): 70 [] ordinal($c5).
% 2.15/2.35  ** KEPT (pick-wt=2): 71 [] epsilon_transitive($c6).
% 2.15/2.35  ** KEPT (pick-wt=2): 72 [] epsilon_connected($c6).
% 2.15/2.35  ** KEPT (pick-wt=2): 73 [] ordinal($c6).
% 2.15/2.35  ** KEPT (pick-wt=2): 74 [] being_limit_ordinal($c6).
% 2.15/2.35  ** KEPT (pick-wt=2): 75 [] empty($c7).
% 2.15/2.35  ** KEPT (pick-wt=2): 76 [] relation($c7).
% 2.15/2.35  ** KEPT (pick-wt=7): 77 [] empty(A)|element($f2(A),powerset(A)).
% 2.15/2.35  ** KEPT (pick-wt=2): 78 [] empty($c8).
% 2.15/2.35  ** KEPT (pick-wt=3): 79 [] element($c9,positive_rationals).
% 2.15/2.35  ** KEPT (pick-wt=2): 80 [] epsilon_transitive($c9).
% 2.15/2.35  ** KEPT (pick-wt=2): 81 [] epsilon_connected($c9).
% 2.15/2.35  ** KEPT (pick-wt=2): 82 [] ordinal($c9).
% 2.15/2.35  ** KEPT (pick-wt=5): 83 [] element($f3(A),powerset(A)).
% 2.15/2.35  ** KEPT (pick-wt=3): 84 [] empty($f3(A)).
% 2.15/2.35  ** KEPT (pick-wt=3): 85 [] relation($f3(A)).
% 2.15/2.35  ** KEPT (pick-wt=3): 86 [] function($f3(A)).
% 2.15/2.35  ** KEPT (pick-wt=3): 87 [] one_to_one($f3(A)).
% 2.15/2.35  ** KEPT (pick-wt=3): 88 [] epsilon_transitive($f3(A)).
% 2.15/2.35  ** KEPT (pick-wt=3): 89 [] epsilon_connected($f3(A)).
% 2.15/2.35  ** KEPT (pick-wt=3): 90 [] ordinal($f3(A)).
% 2.15/2.35  ** KEPT (pick-wt=3): 91 [] natural($f3(A)).
% 2.15/2.35  ** KEPT (pick-wt=3): 92 [] finite($f3(A)).
% 2.15/2.35  ** KEPT (pick-wt=2): 93 [] relation($c10).
% 2.15/2.35  ** KEPT (pick-wt=2): 94 [] empty($c10).
% 2.15/2.35  ** KEPT (pick-wt=2): 95 [] function($c10).
% 2.15/2.35  ** KEPT (pick-wt=2): 96 [] relation($c11).
% 2.15/2.35  ** KEPT (pick-wt=2): 97 [] function($c11).
% 2.15/2.35  ** KEPT (pick-wt=2): 98 [] one_to_one($c11).
% 2.15/2.35  ** KEPT (pick-wt=2): 99 [] empty($c11).
% 2.15/2.35  ** KEPT (pick-wt=2): 100 [] epsilon_transitive($c11).
% 2.15/2.35  ** KEPT (pick-wt=2): 101 [] epsilon_connected($c11).
% 2.15/2.35  ** KEPT (pick-wt=2): 102 [] ordinal($c11).
% 2.15/2.35  ** KEPT (pick-wt=2): 103 [] relation($c12).
% 2.15/2.35  ** KEPT (pick-wt=2): 104 [] function($c12).
% 2.15/2.35  ** KEPT (pick-wt=2): 105 [] transfinite_se_quence($c12).
% 2.15/2.35  ** KEPT (pick-wt=2): 106 [] ordinal_yielding($c12).
% 2.15/2.35  ** KEPT (pick-wt=2): 107 [] relation($c13).
% 2.15/2.35  ** KEPT (pick-wt=5): 108 [] element($f4(A),powerset(A)).
% 2.15/2.35  ** KEPT (pick-wt=3): 109 [] empty($f4(A)).
% 2.15/2.35  ** KEPT (pick-wt=3): 110 [] element($c15,positive_rationals).
% 2.15/2.35  ** KEPT (pick-wt=2): 111 [] empty($c15).
% 2.15/2.35  ** KEPT (pick-wt=2): 112 [] epsilon_transitive($c15).
% 2.15/2.35  ** KEPT (pick-wt=2): 113 [] epsilon_connected($c15).
% 2.15/2.35  ** KEPT (pick-wt=2): 114 [] ordinal($c15).
% 2.15/2.35  ** KEPT (pick-wt=2): 115 [] natural($c15).
% 2.15/2.35  ** KEPT (pick-wt=7): 116 [] empty(A)|element($f5(A),powerset(A)).
% 2.15/2.35  ** KEPT (pick-wt=5): 117 [] empty(A)|finite($f5(A)).
% 2.15/2.35  ** KEPT (pick-wt=2): 118 [] relation($c16).
% 2.15/2.35  ** KEPT (pick-wt=2): 119 [] function($c16).
% 2.15/2.35  ** KEPT (pick-wt=2): 120 [] one_to_one($c16).
% 2.15/2.35  ** KEPT (pick-wt=2): 121 [] epsilon_transitive($c17).
% 2.15/2.35  ** KEPT (pick-wt=2): 122 [] epsilon_connected($c17).
% 2.15/2.35  ** KEPT (pick-wt=2): 123 [] ordinal($c17).
% 2.15/2.35  ** KEPT (pick-wt=2): 124 [] relation($c18).
% 2.15/2.35  ** KEPT (pick-wt=2): 125 [] relation_empty_yielding($c18).
% 2.15/2.35  ** KEPT (pick-wt=2): 126 [] relation($c19).
% 2.15/2.35  ** KEPT (pick-wt=2): 127 [] relation_empty_yielding($c19).
% 2.15/2.35  ** KEPT (pick-wt=2): 128 [] function($c19).
% 2.15/2.35  ** KEPT (pick-wt=2): 129 [] relation($c20).
% 2.15/2.35  ** KEPT (pick-wt=2): 130 [] function($c20).
% 2.15/2.35  ** KEPT (pick-wt=2): 131 [] transfinite_se_quence($c20).
% 2.15/2.35  ** KEPT (pick-wt=2): 132 [] relation($c21).
% 2.15/2.35  ** KEPT (pick-wt=2): 133 [] relation_non_empty($c21).
% 2.15/2.35  ** KEPT (pick-wt=2): 134 [] function($c21).
% 2.15/2.35  ** KEPT (pick-wt=3): 135 [] subset(A,A).
% 2.15/2.35  ** KEPT (pick-wt=2): 136 [] finite($c23).
% 2.15/2.35  ** KEPT (pick-wt=5): 137 [] subset(set_intersection2(A,B),A).
% 2.15/2.35  ** KEPT (pick-wt=5): 138 [] set_intersection2(A,empty_set)=empty_set.
% 2.15/2.35  ---> New Demodulator: 139 [new_demod,138] set_intersection2(A,empty_set)=empty_set.
% 2.15/2.35    Following clause subsumed by 45 during input processing: 0 [copy,45,flip.1] A=A.
% 2.15/2.35  45 back subsumes 44.
% 2.15/2.35    Following clause subsumed by 46 during input processing: 0 [copy,46,flip.1] set_intersection2(A,B)=set_intersection2(B,A).
% 2.15/2.35  >>>> Starting back demodulation with 57.
% 2.15/2.35      >> back demodulating 43 with 57.
% 2.15/2.35  >>>> Starting back demodulation with 139.
% 2.15/2.35  
% 2.15/2.35  ======= end of input processing =======
% 2.15/2.35  
% 2.15/2.35  =========== start of search ===========
% 2.15/2.35  
% 2.15/2.35  -------- PROOF -------- 
% 2.15/2.35  
% 2.15/2.35  ----> UNIT CONFLICT at   0.01 sec ----> 392 [binary,391.1,32.1] $F.
% 2.15/2.35  
% 2.15/2.35  Length of proof is 1.  Level of proof is 1.
% 2.15/2.35  
% 2.15/2.35  ---------------- PROOF ----------------
% 2.15/2.35  % SZS status Theorem
% 2.15/2.35  % SZS output start Refutation
% See solution above
% 2.15/2.35  ------------ end of proof -------------
% 2.15/2.35  
% 2.15/2.35  
% 2.15/2.35  Search stopped by max_proofs option.
% 2.15/2.35  
% 2.15/2.35  
% 2.15/2.35  Search stopped by max_proofs option.
% 2.15/2.35  
% 2.15/2.35  ============ end of search ============
% 2.15/2.35  
% 2.15/2.35  -------------- statistics -------------
% 2.15/2.35  clauses given                 74
% 2.15/2.35  clauses generated            455
% 2.15/2.35  clauses kept                 378
% 2.15/2.35  clauses forward subsumed     306
% 2.15/2.35  clauses back subsumed          2
% 2.15/2.35  Kbytes malloced             1953
% 2.15/2.35  
% 2.15/2.35  ----------- times (seconds) -----------
% 2.15/2.35  user CPU time          0.01          (0 hr, 0 min, 0 sec)
% 2.15/2.35  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 2.15/2.35  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.15/2.35  
% 2.15/2.35  That finishes the proof of the theorem.
% 2.15/2.35  
% 2.15/2.35  Process 12103 finished Wed Jul 27 08:03:41 2022
% 2.15/2.35  Otter interrupted
% 2.15/2.35  PROOF FOUND
%------------------------------------------------------------------------------