TSTP Solution File: SET863-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SET863-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n011.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 13:14:26 EDT 2022

% Result   : Unsatisfiable 4.43s 4.59s
% Output   : Refutation 4.43s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   15
%            Number of leaves      :   14
% Syntax   : Number of clauses     :   34 (  17 unt;  12 nHn;  29 RR)
%            Number of literals    :   64 (   0 equ;  17 neg)
%            Maximal clause size   :    5 (   1 avg)
%            Maximal term depth    :    4 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :   15 (  15 usr;   7 con; 0-3 aty)
%            Number of variables   :   34 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ c_in(A,B,C)
    | ~ c_lesse_quals(B,D,tc_set(C))
    | c_in(A,D,C) ),
    file('SET863-2.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ c_in(c_Main_OsubsetI__1(A,B,C),B,C)
    | c_lesse_quals(A,B,tc_set(C)) ),
    file('SET863-2.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ c_in(A,B,tc_set(C))
    | ~ c_in(D,c_Zorn_Ochain(B,C),tc_set(tc_set(C)))
    | c_in(c_Zorn_Ochain__extend__1(D,A,C),D,tc_set(C))
    | c_in(c_union(c_insert(A,c_emptyset,tc_set(C)),D,tc_set(C)),c_Zorn_Ochain(B,C),tc_set(tc_set(C))) ),
    file('SET863-2.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ c_in(A,B,tc_set(C))
    | ~ c_in(D,c_Zorn_Ochain(B,C),tc_set(tc_set(C)))
    | ~ c_lesse_quals(c_Zorn_Ochain__extend__1(D,A,C),A,tc_set(C))
    | c_in(c_union(c_insert(A,c_emptyset,tc_set(C)),D,tc_set(C)),c_Zorn_Ochain(B,C),tc_set(tc_set(C))) ),
    file('SET863-2.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ c_in(A,B,C)
    | ~ c_in(D,c_Zorn_Omaxchain(E,C),tc_set(tc_set(C)))
    | ~ c_in(c_union(c_insert(B,c_emptyset,tc_set(C)),D,tc_set(C)),c_Zorn_Ochain(E,C),tc_set(tc_set(C)))
    | c_in(A,F,C)
    | c_in(c_Zorn_Omaxchain__super__lemma__1(D,F,C),D,tc_set(C)) ),
    file('SET863-2.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ c_in(A,B,C)
    | ~ c_in(D,c_Zorn_Omaxchain(E,C),tc_set(tc_set(C)))
    | ~ c_in(c_union(c_insert(B,c_emptyset,tc_set(C)),D,tc_set(C)),c_Zorn_Ochain(E,C),tc_set(tc_set(C)))
    | ~ c_lesse_quals(c_Zorn_Omaxchain__super__lemma__1(D,F,C),F,tc_set(C))
    | c_in(A,F,C) ),
    file('SET863-2.p',unknown),
    [] ).

cnf(7,axiom,
    ~ c_in(v_xa,v_y,t_a),
    file('SET863-2.p',unknown),
    [] ).

cnf(8,axiom,
    ( c_lesse_quals(A,v_y,tc_set(t_a))
    | ~ c_in(A,v_c,tc_set(t_a)) ),
    file('SET863-2.p',unknown),
    [] ).

cnf(9,axiom,
    ( c_in(c_Main_OsubsetI__1(A,B,C),A,C)
    | c_lesse_quals(A,B,tc_set(C)) ),
    file('SET863-2.p',unknown),
    [] ).

cnf(10,axiom,
    c_in(v_c,c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(t_a))),
    file('SET863-2.p',unknown),
    [] ).

cnf(11,axiom,
    c_in(v_c,c_Zorn_Ochain(v_S,t_a),tc_set(tc_set(t_a))),
    file('SET863-2.p',unknown),
    [] ).

cnf(12,axiom,
    c_in(v_x,v_S,tc_set(t_a)),
    file('SET863-2.p',unknown),
    [] ).

cnf(13,axiom,
    c_lesse_quals(v_y,v_x,tc_set(t_a)),
    file('SET863-2.p',unknown),
    [] ).

cnf(14,axiom,
    c_in(v_xa,v_x,t_a),
    file('SET863-2.p',unknown),
    [] ).

cnf(18,plain,
    ( c_in(c_union(c_insert(v_x,c_emptyset,tc_set(t_a)),v_c,tc_set(t_a)),c_Zorn_Ochain(v_S,t_a),tc_set(tc_set(t_a)))
    | c_in(c_Main_OsubsetI__1(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_x,t_a),c_Zorn_Ochain__extend__1(v_c,v_x,t_a),t_a) ),
    inference(hyper,[status(thm)],[11,4,12,9]),
    [iquote('hyper,11,4,12,9')] ).

cnf(19,plain,
    ( c_in(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_c,tc_set(t_a))
    | c_in(c_union(c_insert(v_x,c_emptyset,tc_set(t_a)),v_c,tc_set(t_a)),c_Zorn_Ochain(v_S,t_a),tc_set(tc_set(t_a))) ),
    inference(hyper,[status(thm)],[11,3,12]),
    [iquote('hyper,11,3,12')] ).

cnf(89,plain,
    ( c_in(c_Main_OsubsetI__1(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_x,t_a),c_Zorn_Ochain__extend__1(v_c,v_x,t_a),t_a)
    | c_in(v_xa,A,t_a)
    | c_in(c_Zorn_Omaxchain__super__lemma__1(v_c,A,t_a),v_c,tc_set(t_a)) ),
    inference(hyper,[status(thm)],[18,5,14,10]),
    [iquote('hyper,18,5,14,10')] ).

cnf(234,plain,
    ( c_in(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_c,tc_set(t_a))
    | c_in(v_xa,A,t_a)
    | c_in(c_Zorn_Omaxchain__super__lemma__1(v_c,A,t_a),v_c,tc_set(t_a)) ),
    inference(hyper,[status(thm)],[19,5,14,10]),
    [iquote('hyper,19,5,14,10')] ).

cnf(255,plain,
    ( c_in(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_c,tc_set(t_a))
    | c_in(c_Zorn_Omaxchain__super__lemma__1(v_c,v_y,t_a),v_c,tc_set(t_a)) ),
    inference(hyper,[status(thm)],[234,7]),
    [iquote('hyper,234,7')] ).

cnf(269,plain,
    ( c_in(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_c,tc_set(t_a))
    | c_lesse_quals(c_Zorn_Omaxchain__super__lemma__1(v_c,v_y,t_a),v_y,tc_set(t_a)) ),
    inference(hyper,[status(thm)],[255,8]),
    [iquote('hyper,255,8')] ).

cnf(328,plain,
    c_in(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_c,tc_set(t_a)),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[269,6,14,10,19]),7])]),
    [iquote('hyper,269,6,14,10,19,unit_del,7,factor_simp')] ).

cnf(348,plain,
    c_lesse_quals(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_y,tc_set(t_a)),
    inference(hyper,[status(thm)],[328,8]),
    [iquote('hyper,328,8')] ).

cnf(1567,plain,
    ( c_in(c_Main_OsubsetI__1(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_x,t_a),c_Zorn_Ochain__extend__1(v_c,v_x,t_a),t_a)
    | c_in(c_Zorn_Omaxchain__super__lemma__1(v_c,v_y,t_a),v_c,tc_set(t_a)) ),
    inference(hyper,[status(thm)],[89,7]),
    [iquote('hyper,89,7')] ).

cnf(2029,plain,
    ( c_in(c_Main_OsubsetI__1(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_x,t_a),c_Zorn_Ochain__extend__1(v_c,v_x,t_a),t_a)
    | c_lesse_quals(c_Zorn_Omaxchain__super__lemma__1(v_c,v_y,t_a),v_y,tc_set(t_a)) ),
    inference(hyper,[status(thm)],[1567,8]),
    [iquote('hyper,1567,8')] ).

cnf(3762,plain,
    c_in(c_Main_OsubsetI__1(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_x,t_a),c_Zorn_Ochain__extend__1(v_c,v_x,t_a),t_a),
    inference(factor_simp,[status(thm)],[inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[2029,6,14,10,18]),7])]),
    [iquote('hyper,2029,6,14,10,18,unit_del,7,factor_simp')] ).

cnf(3763,plain,
    c_in(c_Main_OsubsetI__1(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_x,t_a),v_y,t_a),
    inference(hyper,[status(thm)],[3762,1,348]),
    [iquote('hyper,3762,1,348')] ).

cnf(3765,plain,
    c_in(c_Main_OsubsetI__1(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_x,t_a),v_x,t_a),
    inference(hyper,[status(thm)],[3763,1,13]),
    [iquote('hyper,3763,1,13')] ).

cnf(3767,plain,
    c_lesse_quals(c_Zorn_Ochain__extend__1(v_c,v_x,t_a),v_x,tc_set(t_a)),
    inference(hyper,[status(thm)],[3765,2]),
    [iquote('hyper,3765,2')] ).

cnf(3770,plain,
    c_in(c_union(c_insert(v_x,c_emptyset,tc_set(t_a)),v_c,tc_set(t_a)),c_Zorn_Ochain(v_S,t_a),tc_set(tc_set(t_a))),
    inference(hyper,[status(thm)],[3767,4,12,11]),
    [iquote('hyper,3767,4,12,11')] ).

cnf(3815,plain,
    ( c_in(v_xa,A,t_a)
    | c_in(c_Zorn_Omaxchain__super__lemma__1(v_c,A,t_a),v_c,tc_set(t_a)) ),
    inference(hyper,[status(thm)],[3770,5,14,10]),
    [iquote('hyper,3770,5,14,10')] ).

cnf(3818,plain,
    c_in(c_Zorn_Omaxchain__super__lemma__1(v_c,v_y,t_a),v_c,tc_set(t_a)),
    inference(hyper,[status(thm)],[3815,7]),
    [iquote('hyper,3815,7')] ).

cnf(3824,plain,
    c_lesse_quals(c_Zorn_Omaxchain__super__lemma__1(v_c,v_y,t_a),v_y,tc_set(t_a)),
    inference(hyper,[status(thm)],[3818,8]),
    [iquote('hyper,3818,8')] ).

cnf(3898,plain,
    c_in(v_xa,v_y,t_a),
    inference(hyper,[status(thm)],[3824,6,14,10,3770]),
    [iquote('hyper,3824,6,14,10,3770')] ).

cnf(3899,plain,
    $false,
    inference(binary,[status(thm)],[3898,7]),
    [iquote('binary,3898.1,7.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11  % Problem  : SET863-2 : TPTP v8.1.0. Released v3.2.0.
% 0.10/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n011.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 10:50:10 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.98/2.17  ----- Otter 3.3f, August 2004 -----
% 1.98/2.17  The process was started by sandbox on n011.cluster.edu,
% 1.98/2.17  Wed Jul 27 10:50:10 2022
% 1.98/2.17  The command was "./otter".  The process ID is 3318.
% 1.98/2.17  
% 1.98/2.17  set(prolog_style_variables).
% 1.98/2.17  set(auto).
% 1.98/2.17     dependent: set(auto1).
% 1.98/2.17     dependent: set(process_input).
% 1.98/2.17     dependent: clear(print_kept).
% 1.98/2.17     dependent: clear(print_new_demod).
% 1.98/2.17     dependent: clear(print_back_demod).
% 1.98/2.17     dependent: clear(print_back_sub).
% 1.98/2.17     dependent: set(control_memory).
% 1.98/2.17     dependent: assign(max_mem, 12000).
% 1.98/2.17     dependent: assign(pick_given_ratio, 4).
% 1.98/2.17     dependent: assign(stats_level, 1).
% 1.98/2.17     dependent: assign(max_seconds, 10800).
% 1.98/2.17  clear(print_given).
% 1.98/2.17  
% 1.98/2.17  list(usable).
% 1.98/2.17  0 [] -c_in(V_c,V_A,T_a)| -c_lesse_quals(V_A,V_B,tc_set(T_a))|c_in(V_c,V_B,T_a).
% 1.98/2.17  0 [] c_in(c_Main_OsubsetI__1(V_A,V_B,T_a),V_A,T_a)|c_lesse_quals(V_A,V_B,tc_set(T_a)).
% 1.98/2.17  0 [] -c_in(c_Main_OsubsetI__1(V_A,V_B,T_a),V_B,T_a)|c_lesse_quals(V_A,V_B,tc_set(T_a)).
% 1.98/2.17  0 [] -c_in(V_z,V_S,tc_set(T_a))| -c_in(V_c,c_Zorn_Ochain(V_S,T_a),tc_set(tc_set(T_a)))|c_in(c_Zorn_Ochain__extend__1(V_c,V_z,T_a),V_c,tc_set(T_a))|c_in(c_union(c_insert(V_z,c_emptyset,tc_set(T_a)),V_c,tc_set(T_a)),c_Zorn_Ochain(V_S,T_a),tc_set(tc_set(T_a))).
% 1.98/2.17  0 [] -c_in(V_z,V_S,tc_set(T_a))| -c_in(V_c,c_Zorn_Ochain(V_S,T_a),tc_set(tc_set(T_a)))| -c_lesse_quals(c_Zorn_Ochain__extend__1(V_c,V_z,T_a),V_z,tc_set(T_a))|c_in(c_union(c_insert(V_z,c_emptyset,tc_set(T_a)),V_c,tc_set(T_a)),c_Zorn_Ochain(V_S,T_a),tc_set(tc_set(T_a))).
% 1.98/2.17  0 [] -c_in(V_z,V_x,T_a)| -c_in(V_c,c_Zorn_Omaxchain(V_S,T_a),tc_set(tc_set(T_a)))| -c_in(c_union(c_insert(V_x,c_emptyset,tc_set(T_a)),V_c,tc_set(T_a)),c_Zorn_Ochain(V_S,T_a),tc_set(tc_set(T_a)))|c_in(V_z,V_y,T_a)|c_in(c_Zorn_Omaxchain__super__lemma__1(V_c,V_y,T_a),V_c,tc_set(T_a)).
% 1.98/2.17  0 [] -c_in(V_z,V_x,T_a)| -c_in(V_c,c_Zorn_Omaxchain(V_S,T_a),tc_set(tc_set(T_a)))| -c_in(c_union(c_insert(V_x,c_emptyset,tc_set(T_a)),V_c,tc_set(T_a)),c_Zorn_Ochain(V_S,T_a),tc_set(tc_set(T_a)))| -c_lesse_quals(c_Zorn_Omaxchain__super__lemma__1(V_c,V_y,T_a),V_y,tc_set(T_a))|c_in(V_z,V_y,T_a).
% 1.98/2.17  0 [] c_in(v_c,c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(t_a))).
% 1.98/2.17  0 [] c_in(v_c,c_Zorn_Ochain(v_S,t_a),tc_set(tc_set(t_a))).
% 1.98/2.17  0 [] c_in(v_x,v_S,tc_set(t_a)).
% 1.98/2.17  0 [] c_lesse_quals(v_y,v_x,tc_set(t_a)).
% 1.98/2.17  0 [] c_in(v_xa,v_x,t_a).
% 1.98/2.17  0 [] -c_in(v_xa,v_y,t_a).
% 1.98/2.17  0 [] c_lesse_quals(V_U,v_y,tc_set(t_a))| -c_in(V_U,v_c,tc_set(t_a)).
% 1.98/2.17  end_of_list.
% 1.98/2.17  
% 1.98/2.17  SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=5.
% 1.98/2.17  
% 1.98/2.17  This is a non-Horn set without equality.  The strategy will
% 1.98/2.17  be ordered hyper_res, unit deletion, and factoring, with
% 1.98/2.17  satellites in sos and with nuclei in usable.
% 1.98/2.17  
% 1.98/2.17     dependent: set(hyper_res).
% 1.98/2.17     dependent: set(factor).
% 1.98/2.17     dependent: set(unit_deletion).
% 1.98/2.17  
% 1.98/2.17  ------------> process usable:
% 1.98/2.17  ** KEPT (pick-wt=13): 1 [] -c_in(A,B,C)| -c_lesse_quals(B,D,tc_set(C))|c_in(A,D,C).
% 1.98/2.17  ** KEPT (pick-wt=12): 2 [] -c_in(c_Main_OsubsetI__1(A,B,C),B,C)|c_lesse_quals(A,B,tc_set(C)).
% 1.98/2.17  ** KEPT (pick-wt=37): 3 [] -c_in(A,B,tc_set(C))| -c_in(D,c_Zorn_Ochain(B,C),tc_set(tc_set(C)))|c_in(c_Zorn_Ochain__extend__1(D,A,C),D,tc_set(C))|c_in(c_union(c_insert(A,c_emptyset,tc_set(C)),D,tc_set(C)),c_Zorn_Ochain(B,C),tc_set(tc_set(C))).
% 1.98/2.17  ** KEPT (pick-wt=37): 4 [] -c_in(A,B,tc_set(C))| -c_in(D,c_Zorn_Ochain(B,C),tc_set(tc_set(C)))| -c_lesse_quals(c_Zorn_Ochain__extend__1(D,A,C),A,tc_set(C))|c_in(c_union(c_insert(A,c_emptyset,tc_set(C)),D,tc_set(C)),c_Zorn_Ochain(B,C),tc_set(tc_set(C))).
% 1.98/2.17  ** KEPT (pick-wt=40): 5 [] -c_in(A,B,C)| -c_in(D,c_Zorn_Omaxchain(E,C),tc_set(tc_set(C)))| -c_in(c_union(c_insert(B,c_emptyset,tc_set(C)),D,tc_set(C)),c_Zorn_Ochain(E,C),tc_set(tc_set(C)))|c_in(A,F,C)|c_in(c_Zorn_Omaxchain__super__lemma__1(D,F,C),D,tc_set(C)).
% 1.98/2.17  ** KEPT (pick-wt=40): 6 [] -c_in(A,B,C)| -c_in(D,c_Zorn_Omaxchain(E,C),tc_set(tc_set(C)))| -c_in(c_union(c_insert(B,c_emptyset,tc_set(C)),D,tc_set(C)),c_Zorn_Ochain(E,C),tc_set(tc_set(C)))| -c_lesse_quals(c_Zorn_Omaxchain__super__lemma__1(D,F,C),F,tc_set(C))|c_in(A,F,C).
% 1.98/2.17  ** KEPT (pick-wt=4): 7 [] -c_in(v_xa,v_y,t_a).
% 1.98/2.17  ** KEPT (pick-wt=10): 8 [] c_lesse_quals(A,v_y,tc_set(t_a))| -c_in(A,v_c,tc_set(t_a)).
% 1.98/2.17  
% 1.98/2.17  ------------> process sos:
% 1.98/2.17  ** KEPT (pick-wt=12): 9 [] c_in(c_Main_OsubsetI__1(A,B,C),A,C)|c_lesse_quals(A,B,tc_set(C)).
% 4.43/4.59  ** KEPT (pick-wt=8): 10 [] c_in(v_c,c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(t_a))).
% 4.43/4.59  ** KEPT (pick-wt=8): 11 [] c_in(v_c,c_Zorn_Ochain(v_S,t_a),tc_set(tc_set(t_a))).
% 4.43/4.59  ** KEPT (pick-wt=5): 12 [] c_in(v_x,v_S,tc_set(t_a)).
% 4.43/4.59  ** KEPT (pick-wt=5): 13 [] c_lesse_quals(v_y,v_x,tc_set(t_a)).
% 4.43/4.59  ** KEPT (pick-wt=4): 14 [] c_in(v_xa,v_x,t_a).
% 4.43/4.59  
% 4.43/4.59  ======= end of input processing =======
% 4.43/4.59  
% 4.43/4.59  =========== start of search ===========
% 4.43/4.59  
% 4.43/4.59  
% 4.43/4.59  Resetting weight limit to 31.
% 4.43/4.59  
% 4.43/4.59  
% 4.43/4.59  Resetting weight limit to 31.
% 4.43/4.59  
% 4.43/4.59  sos_size=930
% 4.43/4.59  
% 4.43/4.59  -------- PROOF -------- 
% 4.43/4.59  
% 4.43/4.59  ----> UNIT CONFLICT at   2.41 sec ----> 3899 [binary,3898.1,7.1] $F.
% 4.43/4.59  
% 4.43/4.59  Length of proof is 19.  Level of proof is 14.
% 4.43/4.59  
% 4.43/4.59  ---------------- PROOF ----------------
% 4.43/4.59  % SZS status Unsatisfiable
% 4.43/4.59  % SZS output start Refutation
% See solution above
% 4.43/4.59  ------------ end of proof -------------
% 4.43/4.59  
% 4.43/4.59  
% 4.43/4.59  Search stopped by max_proofs option.
% 4.43/4.59  
% 4.43/4.59  
% 4.43/4.59  Search stopped by max_proofs option.
% 4.43/4.59  
% 4.43/4.59  ============ end of search ============
% 4.43/4.59  
% 4.43/4.59  -------------- statistics -------------
% 4.43/4.59  clauses given                 78
% 4.43/4.59  clauses generated          17006
% 4.43/4.59  clauses kept                3898
% 4.43/4.59  clauses forward subsumed    7434
% 4.43/4.59  clauses back subsumed       3196
% 4.43/4.59  Kbytes malloced             4882
% 4.43/4.59  
% 4.43/4.59  ----------- times (seconds) -----------
% 4.43/4.59  user CPU time          2.41          (0 hr, 0 min, 2 sec)
% 4.43/4.59  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 4.43/4.59  wall-clock time        5             (0 hr, 0 min, 5 sec)
% 4.43/4.59  
% 4.43/4.59  That finishes the proof of the theorem.
% 4.43/4.59  
% 4.43/4.59  Process 3318 finished Wed Jul 27 10:50:15 2022
% 4.43/4.59  Otter interrupted
% 4.43/4.59  PROOF FOUND
%------------------------------------------------------------------------------