TSTP Solution File: SEU116+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SEU116+1 : 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 13:14:48 EDT 2022

% Result   : Theorem 2.02s 2.21s
% Output   : Refutation 2.02s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    2
%            Number of leaves      :    3
% Syntax   : Number of clauses     :    5 (   4 unt;   0 nHn;   5 RR)
%            Number of literals    :    6 (   0 equ;   2 neg)
%            Maximal clause size   :    2 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    3 (   3 usr;   2 con; 0-1 aty)
%            Number of variables   :    2 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(18,axiom,
    ( ~ element(A,finite_subsets(B))
    | finite(A) ),
    file('SEU116+1.p',unknown),
    [] ).

cnf(25,axiom,
    ~ finite(dollar_c5),
    file('SEU116+1.p',unknown),
    [] ).

cnf(61,axiom,
    element(dollar_c5,finite_subsets(dollar_c6)),
    file('SEU116+1.p',unknown),
    [] ).

cnf(107,plain,
    finite(dollar_c5),
    inference(hyper,[status(thm)],[61,18]),
    [iquote('hyper,61,18')] ).

cnf(108,plain,
    $false,
    inference(binary,[status(thm)],[107,25]),
    [iquote('binary,107.1,25.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SEU116+1 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.12  % 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 07:56:54 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 2.02/2.21  ----- Otter 3.3f, August 2004 -----
% 2.02/2.21  The process was started by sandbox on n026.cluster.edu,
% 2.02/2.21  Wed Jul 27 07:56:54 2022
% 2.02/2.21  The command was "./otter".  The process ID is 27295.
% 2.02/2.21  
% 2.02/2.21  set(prolog_style_variables).
% 2.02/2.21  set(auto).
% 2.02/2.21     dependent: set(auto1).
% 2.02/2.21     dependent: set(process_input).
% 2.02/2.21     dependent: clear(print_kept).
% 2.02/2.21     dependent: clear(print_new_demod).
% 2.02/2.21     dependent: clear(print_back_demod).
% 2.02/2.21     dependent: clear(print_back_sub).
% 2.02/2.21     dependent: set(control_memory).
% 2.02/2.21     dependent: assign(max_mem, 12000).
% 2.02/2.21     dependent: assign(pick_given_ratio, 4).
% 2.02/2.21     dependent: assign(stats_level, 1).
% 2.02/2.21     dependent: assign(max_seconds, 10800).
% 2.02/2.21  clear(print_given).
% 2.02/2.21  
% 2.02/2.21  formula_list(usable).
% 2.02/2.21  all A (A=A).
% 2.02/2.21  all A B subset(A,A).
% 2.02/2.21  all A B (in(A,B)-> -in(B,A)).
% 2.02/2.21  empty(empty_set).
% 2.02/2.21  all A B (in(A,B)->element(A,B)).
% 2.02/2.21  all A B C (in(A,B)&element(B,powerset(C))->element(A,C)).
% 2.02/2.21  all A B C (-(in(A,B)&element(B,powerset(C))&empty(C))).
% 2.02/2.21  all A B (-(empty(A)&A!=B&empty(B))).
% 2.02/2.21  all A (-empty(powerset(A))&cup_closed(powerset(A))&diff_closed(powerset(A))&preboolean(powerset(A))).
% 2.02/2.21  all A (preboolean(A)->cup_closed(A)&diff_closed(A)).
% 2.02/2.21  all A (cup_closed(A)&diff_closed(A)->preboolean(A)).
% 2.02/2.21  all A (empty(A)->finite(A)).
% 2.02/2.21  all A (finite(A)-> (all B (element(B,powerset(A))->finite(B)))).
% 2.02/2.21  all A (-empty(powerset(A))).
% 2.02/2.21  all A B (element(A,B)->empty(B)|in(A,B)).
% 2.02/2.21  all A B (element(A,powerset(B))<->subset(A,B)).
% 2.02/2.21  all A (empty(A)->A=empty_set).
% 2.02/2.21  all A B (-(in(A,B)&empty(B))).
% 2.02/2.21  all A exists B element(B,A).
% 2.02/2.21  all A preboolean(finite_subsets(A)).
% 2.02/2.21  all A (-empty(finite_subsets(A))&cup_closed(finite_subsets(A))&diff_closed(finite_subsets(A))&preboolean(finite_subsets(A))).
% 2.02/2.21  all A B (element(B,finite_subsets(A))->finite(B)).
% 2.02/2.21  exists A (-empty(A)&cup_closed(A)&cap_closed(A)&diff_closed(A)&preboolean(A)).
% 2.02/2.21  exists A (-empty(A)&finite(A)).
% 2.02/2.21  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)).
% 2.02/2.21  all A (-empty(A)-> (exists B (element(B,powerset(A))& -empty(B)&finite(B)))).
% 2.02/2.21  all A (-empty(A)-> (exists B (element(B,powerset(A))& -empty(B)&finite(B)))).
% 2.02/2.21  all A (-empty(A)-> (exists B (element(B,powerset(A))& -empty(B)))).
% 2.02/2.21  all A exists B (element(B,powerset(A))&empty(B)).
% 2.02/2.21  exists A empty(A).
% 2.02/2.21  exists A (-empty(A)).
% 2.02/2.21  -(all A B (element(B,finite_subsets(A))->finite(B))).
% 2.02/2.21  end_of_list.
% 2.02/2.21  
% 2.02/2.21  -------> usable clausifies to:
% 2.02/2.21  
% 2.02/2.21  list(usable).
% 2.02/2.21  0 [] A=A.
% 2.02/2.21  0 [] subset(A,A).
% 2.02/2.21  0 [] -in(A,B)| -in(B,A).
% 2.02/2.21  0 [] empty(empty_set).
% 2.02/2.21  0 [] -in(A,B)|element(A,B).
% 2.02/2.21  0 [] -in(A,B)| -element(B,powerset(C))|element(A,C).
% 2.02/2.21  0 [] -in(A,B)| -element(B,powerset(C))| -empty(C).
% 2.02/2.21  0 [] -empty(A)|A=B| -empty(B).
% 2.02/2.21  0 [] -empty(powerset(A)).
% 2.02/2.21  0 [] cup_closed(powerset(A)).
% 2.02/2.21  0 [] diff_closed(powerset(A)).
% 2.02/2.21  0 [] preboolean(powerset(A)).
% 2.02/2.21  0 [] -preboolean(A)|cup_closed(A).
% 2.02/2.21  0 [] -preboolean(A)|diff_closed(A).
% 2.02/2.21  0 [] -cup_closed(A)| -diff_closed(A)|preboolean(A).
% 2.02/2.21  0 [] -empty(A)|finite(A).
% 2.02/2.21  0 [] -finite(A)| -element(B,powerset(A))|finite(B).
% 2.02/2.21  0 [] -empty(powerset(A)).
% 2.02/2.21  0 [] -element(A,B)|empty(B)|in(A,B).
% 2.02/2.21  0 [] -element(A,powerset(B))|subset(A,B).
% 2.02/2.21  0 [] element(A,powerset(B))| -subset(A,B).
% 2.02/2.21  0 [] -empty(A)|A=empty_set.
% 2.02/2.21  0 [] -in(A,B)| -empty(B).
% 2.02/2.21  0 [] element($f1(A),A).
% 2.02/2.21  0 [] preboolean(finite_subsets(A)).
% 2.02/2.21  0 [] -empty(finite_subsets(A)).
% 2.02/2.21  0 [] cup_closed(finite_subsets(A)).
% 2.02/2.21  0 [] diff_closed(finite_subsets(A)).
% 2.02/2.21  0 [] preboolean(finite_subsets(A)).
% 2.02/2.21  0 [] -element(B,finite_subsets(A))|finite(B).
% 2.02/2.21  0 [] -empty($c1).
% 2.02/2.21  0 [] cup_closed($c1).
% 2.02/2.21  0 [] cap_closed($c1).
% 2.02/2.21  0 [] diff_closed($c1).
% 2.02/2.21  0 [] preboolean($c1).
% 2.02/2.21  0 [] -empty($c2).
% 2.02/2.21  0 [] finite($c2).
% 2.02/2.21  0 [] element($f2(A),powerset(A)).
% 2.02/2.21  0 [] empty($f2(A)).
% 2.02/2.21  0 [] relation($f2(A)).
% 2.02/2.21  0 [] function($f2(A)).
% 2.02/2.21  0 [] one_to_one($f2(A)).
% 2.02/2.21  0 [] epsilon_transitive($f2(A)).
% 2.02/2.21  0 [] epsilon_connected($f2(A)).
% 2.02/2.21  0 [] ordinal($f2(A)).
% 2.02/2.21  0 [] natural($f2(A)).
% 2.02/2.21  0 [] finite($f2(A)).
% 2.02/2.21  0 [] empty(A)|element($f3(A),powerset(A)).
% 2.02/2.21  0 [] empty(A)| -empty($f3(A)).
% 2.02/2.21  0 [] empty(A)|finite($f3(A)).
% 2.02/2.21  0 [] empty(A)|element($f4(A),powerset(A)).
% 2.02/2.21  0 [] empty(A)| -empty($f4(A)).
% 2.02/2.21  0 [] empty(A)|finite($f4(A)).
% 2.02/2.21  0 [] empty(A)|element($f5(A),powerset(A)).
% 2.02/2.21  0 [] empty(A)| -empty($f5(A)).
% 2.02/2.21  0 [] element($f6(A),powerset(A)).
% 2.02/2.21  0 [] empty($f6(A)).
% 2.02/2.21  0 [] empty($c3).
% 2.02/2.21  0 [] -empty($c4).
% 2.02/2.21  0 [] element($c5,finite_subsets($c6)).
% 2.02/2.21  0 [] -finite($c5).
% 2.02/2.21  end_of_list.
% 2.02/2.21  
% 2.02/2.21  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=3.
% 2.02/2.21  
% 2.02/2.21  This ia a non-Horn set with equality.  The strategy will be
% 2.02/2.21  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 2.02/2.21  deletion, with positive clauses in sos and nonpositive
% 2.02/2.21  clauses in usable.
% 2.02/2.21  
% 2.02/2.21     dependent: set(knuth_bendix).
% 2.02/2.21     dependent: set(anl_eq).
% 2.02/2.21     dependent: set(para_from).
% 2.02/2.21     dependent: set(para_into).
% 2.02/2.21     dependent: clear(para_from_right).
% 2.02/2.21     dependent: clear(para_into_right).
% 2.02/2.21     dependent: set(para_from_vars).
% 2.02/2.21     dependent: set(eq_units_both_ways).
% 2.02/2.21     dependent: set(dynamic_demod_all).
% 2.02/2.21     dependent: set(dynamic_demod).
% 2.02/2.21     dependent: set(order_eq).
% 2.02/2.21     dependent: set(back_demod).
% 2.02/2.21     dependent: set(lrpo).
% 2.02/2.21     dependent: set(hyper_res).
% 2.02/2.21     dependent: set(unit_deletion).
% 2.02/2.21     dependent: set(factor).
% 2.02/2.21  
% 2.02/2.21  ------------> process usable:
% 2.02/2.21  ** KEPT (pick-wt=6): 1 [] -in(A,B)| -in(B,A).
% 2.02/2.21  ** KEPT (pick-wt=6): 2 [] -in(A,B)|element(A,B).
% 2.02/2.21  ** KEPT (pick-wt=10): 3 [] -in(A,B)| -element(B,powerset(C))|element(A,C).
% 2.02/2.21  ** KEPT (pick-wt=9): 4 [] -in(A,B)| -element(B,powerset(C))| -empty(C).
% 2.02/2.21  ** KEPT (pick-wt=7): 5 [] -empty(A)|A=B| -empty(B).
% 2.02/2.21  ** KEPT (pick-wt=3): 6 [] -empty(powerset(A)).
% 2.02/2.21  ** KEPT (pick-wt=4): 7 [] -preboolean(A)|cup_closed(A).
% 2.02/2.21  ** KEPT (pick-wt=4): 8 [] -preboolean(A)|diff_closed(A).
% 2.02/2.21  ** KEPT (pick-wt=6): 9 [] -cup_closed(A)| -diff_closed(A)|preboolean(A).
% 2.02/2.21  ** KEPT (pick-wt=4): 10 [] -empty(A)|finite(A).
% 2.02/2.21  ** KEPT (pick-wt=8): 11 [] -finite(A)| -element(B,powerset(A))|finite(B).
% 2.02/2.21    Following clause subsumed by 6 during input processing: 0 [] -empty(powerset(A)).
% 2.02/2.21  ** KEPT (pick-wt=8): 12 [] -element(A,B)|empty(B)|in(A,B).
% 2.02/2.21  ** KEPT (pick-wt=7): 13 [] -element(A,powerset(B))|subset(A,B).
% 2.02/2.21  ** KEPT (pick-wt=7): 14 [] element(A,powerset(B))| -subset(A,B).
% 2.02/2.21  ** KEPT (pick-wt=5): 15 [] -empty(A)|A=empty_set.
% 2.02/2.21  ** KEPT (pick-wt=5): 16 [] -in(A,B)| -empty(B).
% 2.02/2.21  ** KEPT (pick-wt=3): 17 [] -empty(finite_subsets(A)).
% 2.02/2.21  ** KEPT (pick-wt=6): 18 [] -element(A,finite_subsets(B))|finite(A).
% 2.02/2.21  ** KEPT (pick-wt=2): 19 [] -empty($c1).
% 2.02/2.21  ** KEPT (pick-wt=2): 20 [] -empty($c2).
% 2.02/2.21  ** KEPT (pick-wt=5): 21 [] empty(A)| -empty($f3(A)).
% 2.02/2.21  ** KEPT (pick-wt=5): 22 [] empty(A)| -empty($f4(A)).
% 2.02/2.21  ** KEPT (pick-wt=5): 23 [] empty(A)| -empty($f5(A)).
% 2.02/2.21  ** KEPT (pick-wt=2): 24 [] -empty($c4).
% 2.02/2.21  ** KEPT (pick-wt=2): 25 [] -finite($c5).
% 2.02/2.21  
% 2.02/2.21  ------------> process sos:
% 2.02/2.21  ** KEPT (pick-wt=3): 28 [] A=A.
% 2.02/2.21  ** KEPT (pick-wt=3): 29 [] subset(A,A).
% 2.02/2.21  ** KEPT (pick-wt=2): 30 [] empty(empty_set).
% 2.02/2.21  ** KEPT (pick-wt=3): 31 [] cup_closed(powerset(A)).
% 2.02/2.21  ** KEPT (pick-wt=3): 32 [] diff_closed(powerset(A)).
% 2.02/2.21  ** KEPT (pick-wt=3): 33 [] preboolean(powerset(A)).
% 2.02/2.21  ** KEPT (pick-wt=4): 34 [] element($f1(A),A).
% 2.02/2.21  ** KEPT (pick-wt=3): 35 [] preboolean(finite_subsets(A)).
% 2.02/2.21  ** KEPT (pick-wt=3): 36 [] cup_closed(finite_subsets(A)).
% 2.02/2.21  ** KEPT (pick-wt=3): 37 [] diff_closed(finite_subsets(A)).
% 2.02/2.21    Following clause subsumed by 35 during input processing: 0 [] preboolean(finite_subsets(A)).
% 2.02/2.21  ** KEPT (pick-wt=2): 38 [] cup_closed($c1).
% 2.02/2.21  ** KEPT (pick-wt=2): 39 [] cap_closed($c1).
% 2.02/2.21  ** KEPT (pick-wt=2): 40 [] diff_closed($c1).
% 2.02/2.21  ** KEPT (pick-wt=2): 41 [] preboolean($c1).
% 2.02/2.21  ** KEPT (pick-wt=2): 42 [] finite($c2).
% 2.02/2.21  ** KEPT (pick-wt=5): 43 [] element($f2(A),powerset(A)).
% 2.02/2.21  ** KEPT (pick-wt=3): 44 [] empty($f2(A)).
% 2.02/2.21  ** KEPT (pick-wt=3): 45 [] relation($f2(A)).
% 2.02/2.21  ** KEPT (pick-wt=3): 46 [] function($f2(A)).
% 2.02/2.21  ** KEPT (pick-wt=3): 47 [] one_to_one($f2(A)).
% 2.02/2.21  ** KEPT (pick-wt=3): 48 [] epsilon_transitive($f2(A)).
% 2.02/2.21  ** KEPT (pick-wt=3): 49 [] epsilon_connected($f2(A)).
% 2.02/2.21  ** KEPT (pick-wt=3): 50 [] ordinal($f2(A)).
% 2.02/2.21  ** KEPT (pick-wt=3): 51 [] natural($f2(A)).
% 2.02/2.21  ** KEPT (pick-wt=3): 52 [] finite($f2(A)).
% 2.02/2.21  ** KEPT (pick-wt=7): 53 [] empty(A)|element($f3(A),powerset(A)).
% 2.02/2.21  ** KEPT (pick-wt=5): 54 [] empty(A)|finite($f3(A)).
% 2.02/2.21  ** KEPT (pick-wt=7): 55 [] empty(A)|element($f4(A),powerset(A)).
% 2.02/2.21  ** KEPT (pick-wt=5): 56 [] empty(A)|finite($f4(A)).
% 2.02/2.21  ** KEPT (pick-wt=7): 57 [] empty(A)|element($f5(A),powerset(A)).
% 2.02/2.21  ** KEPT (pick-wt=5): 58 [] element($f6(A),powerset(A)).
% 2.02/2.21  ** KEPT (pick-wt=3): 59 [] empty($f6(A)).
% 2.02/2.21  ** KEPT (pick-wt=2): 60 [] empty($c3).
% 2.02/2.21  ** KEPT (pick-wt=4): 61 [] element($c5,finite_subsets($c6)).
% 2.02/2.21    Following clause subsumed by 28 during input processing: 0 [copy,28,flip.1] A=A.
% 2.02/2.21  28 back subsumes 27.
% 2.02/2.21  
% 2.02/2.21  ======= end of input processing =======
% 2.02/2.21  
% 2.02/2.21  =========== start of search ===========
% 2.02/2.21  
% 2.02/2.21  -------- PROOF -------- 
% 2.02/2.21  
% 2.02/2.21  ----> UNIT CONFLICT at   0.00 sec ----> 108 [binary,107.1,25.1] $F.
% 2.02/2.21  
% 2.02/2.21  Length of proof is 1.  Level of proof is 1.
% 2.02/2.21  
% 2.02/2.21  ---------------- PROOF ----------------
% 2.02/2.21  % SZS status Theorem
% 2.02/2.21  % SZS output start Refutation
% See solution above
% 2.02/2.21  ------------ end of proof -------------
% 2.02/2.21  
% 2.02/2.21  
% 2.02/2.21  Search stopped by max_proofs option.
% 2.02/2.21  
% 2.02/2.21  
% 2.02/2.21  Search stopped by max_proofs option.
% 2.02/2.21  
% 2.02/2.21  ============ end of search ============
% 2.02/2.21  
% 2.02/2.21  -------------- statistics -------------
% 2.02/2.21  clauses given                 30
% 2.02/2.21  clauses generated             90
% 2.02/2.21  clauses kept                 104
% 2.02/2.21  clauses forward subsumed      62
% 2.02/2.21  clauses back subsumed          1
% 2.02/2.21  Kbytes malloced              976
% 2.02/2.21  
% 2.02/2.21  ----------- times (seconds) -----------
% 2.02/2.21  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 2.02/2.21  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 2.02/2.21  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.02/2.21  
% 2.02/2.21  That finishes the proof of the theorem.
% 2.02/2.21  
% 2.02/2.21  Process 27295 finished Wed Jul 27 07:56:56 2022
% 2.02/2.21  Otter interrupted
% 2.02/2.21  PROOF FOUND
%------------------------------------------------------------------------------