TSTP Solution File: SEU188+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SEU188+1 : TPTP v8.1.0. Released v3.3.0.
% 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 13:15:06 EDT 2022

% Result   : Theorem 1.95s 2.15s
% Output   : Refutation 1.95s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   18 (  11 unt;   2 nHn;  17 RR)
%            Number of literals    :   28 (  13 equ;  12 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-1 aty)
%            Number of variables   :    7 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(14,axiom,
    ( empty(A)
    | ~ relation(A)
    | ~ empty(relation_dom(A)) ),
    file('SEU188+1.p',unknown),
    [] ).

cnf(15,axiom,
    ( empty(A)
    | ~ relation(A)
    | ~ empty(relation_rng(A)) ),
    file('SEU188+1.p',unknown),
    [] ).

cnf(25,axiom,
    dollar_c5 != empty_set,
    file('SEU188+1.p',unknown),
    [] ).

cnf(26,plain,
    empty_set != dollar_c5,
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[25])]),
    [iquote('copy,25,flip.1')] ).

cnf(27,axiom,
    ( ~ empty(A)
    | A = empty_set ),
    file('SEU188+1.p',unknown),
    [] ).

cnf(29,axiom,
    ( ~ empty(A)
    | A = B
    | ~ empty(B) ),
    file('SEU188+1.p',unknown),
    [] ).

cnf(32,axiom,
    A = A,
    file('SEU188+1.p',unknown),
    [] ).

cnf(38,axiom,
    empty(empty_set),
    file('SEU188+1.p',unknown),
    [] ).

cnf(40,axiom,
    empty(dollar_c1),
    file('SEU188+1.p',unknown),
    [] ).

cnf(44,axiom,
    relation(dollar_c5),
    file('SEU188+1.p',unknown),
    [] ).

cnf(45,axiom,
    ( relation_dom(dollar_c5) = empty_set
    | relation_rng(dollar_c5) = empty_set ),
    file('SEU188+1.p',unknown),
    [] ).

cnf(61,plain,
    empty_set = dollar_c1,
    inference(hyper,[status(thm)],[40,29,38]),
    [iquote('hyper,40,29,38')] ).

cnf(76,plain,
    ( relation_dom(dollar_c5) = dollar_c1
    | relation_rng(dollar_c5) = dollar_c1 ),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[45]),61,61]),
    [iquote('back_demod,45,demod,61,61')] ).

cnf(77,plain,
    ( ~ empty(A)
    | A = dollar_c1 ),
    inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[27]),61]),
    [iquote('back_demod,27,demod,61')] ).

cnf(78,plain,
    dollar_c5 != dollar_c1,
    inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[26]),61])]),
    [iquote('back_demod,26,demod,61,flip.1')] ).

cnf(242,plain,
    ~ empty(dollar_c5),
    inference(unit_del,[status(thm)],[inference(para_from,[status(thm),theory(equality)],[77,78]),32]),
    [iquote('para_from,77.2.1,78.1.1,unit_del,32')] ).

cnf(778,plain,
    relation_rng(dollar_c5) = dollar_c1,
    inference(unit_del,[status(thm)],[inference(para_from,[status(thm),theory(equality)],[76,14]),242,44,40]),
    [iquote('para_from,76.1.1,14.3.1,unit_del,242,44,40')] ).

cnf(791,plain,
    $false,
    inference(unit_del,[status(thm)],[inference(para_from,[status(thm),theory(equality)],[778,15]),242,44,40]),
    [iquote('para_from,778.1.1,15.3.1,unit_del,242,44,40')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SEU188+1 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.13  % Command  : otter-tptp-script %s
% 0.13/0.34  % Computer : n024.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Wed Jul 27 07:37:40 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.87/2.07  ----- Otter 3.3f, August 2004 -----
% 1.87/2.07  The process was started by sandbox on n024.cluster.edu,
% 1.87/2.07  Wed Jul 27 07:37:40 2022
% 1.87/2.07  The command was "./otter".  The process ID is 8596.
% 1.87/2.07  
% 1.87/2.07  set(prolog_style_variables).
% 1.87/2.07  set(auto).
% 1.87/2.07     dependent: set(auto1).
% 1.87/2.07     dependent: set(process_input).
% 1.87/2.07     dependent: clear(print_kept).
% 1.87/2.07     dependent: clear(print_new_demod).
% 1.87/2.07     dependent: clear(print_back_demod).
% 1.87/2.07     dependent: clear(print_back_sub).
% 1.87/2.07     dependent: set(control_memory).
% 1.87/2.07     dependent: assign(max_mem, 12000).
% 1.87/2.07     dependent: assign(pick_given_ratio, 4).
% 1.87/2.07     dependent: assign(stats_level, 1).
% 1.87/2.07     dependent: assign(max_seconds, 10800).
% 1.87/2.07  clear(print_given).
% 1.87/2.07  
% 1.87/2.07  formula_list(usable).
% 1.87/2.07  all A (A=A).
% 1.87/2.07  all A B (in(A,B)-> -in(B,A)).
% 1.87/2.07  all A (empty(A)->relation(A)).
% 1.87/2.07  all A B (unordered_pair(A,B)=unordered_pair(B,A)).
% 1.87/2.07  all A (relation(A)-> (all B (B=relation_dom(A)<-> (all C (in(C,B)<-> (exists D in(ordered_pair(C,D),A))))))).
% 1.87/2.07  all A (relation(A)-> (all B (B=relation_rng(A)<-> (all C (in(C,B)<-> (exists D in(ordered_pair(D,C),A))))))).
% 1.87/2.07  all A B (ordered_pair(A,B)=unordered_pair(unordered_pair(A,B),singleton(A))).
% 1.87/2.07  $T.
% 1.87/2.07  $T.
% 1.87/2.07  $T.
% 1.87/2.07  $T.
% 1.87/2.07  $T.
% 1.87/2.07  $T.
% 1.87/2.07  $T.
% 1.87/2.07  all A exists B element(B,A).
% 1.87/2.07  empty(empty_set).
% 1.87/2.07  all A B (-empty(ordered_pair(A,B))).
% 1.87/2.07  all A (-empty(singleton(A))).
% 1.87/2.07  all A B (-empty(unordered_pair(A,B))).
% 1.87/2.07  empty(empty_set).
% 1.87/2.07  relation(empty_set).
% 1.87/2.07  all A (-empty(A)&relation(A)-> -empty(relation_dom(A))).
% 1.87/2.07  all A (-empty(A)&relation(A)-> -empty(relation_rng(A))).
% 1.87/2.07  all A (empty(A)->empty(relation_dom(A))&relation(relation_dom(A))).
% 1.87/2.07  all A (empty(A)->empty(relation_rng(A))&relation(relation_rng(A))).
% 1.87/2.07  exists A (empty(A)&relation(A)).
% 1.87/2.07  exists A empty(A).
% 1.87/2.07  exists A (-empty(A)&relation(A)).
% 1.87/2.07  exists A (-empty(A)).
% 1.87/2.07  all A B (in(A,B)->element(A,B)).
% 1.87/2.07  all A B (element(A,B)->empty(B)|in(A,B)).
% 1.87/2.07  all A (relation(A)-> ((all B C (-in(ordered_pair(B,C),A)))->A=empty_set)).
% 1.87/2.07  -(all A (relation(A)-> (relation_dom(A)=empty_set|relation_rng(A)=empty_set->A=empty_set))).
% 1.87/2.07  all A (empty(A)->A=empty_set).
% 1.87/2.07  all A B (-(in(A,B)&empty(B))).
% 1.87/2.07  all A B (-(empty(A)&A!=B&empty(B))).
% 1.87/2.07  end_of_list.
% 1.87/2.07  
% 1.87/2.07  -------> usable clausifies to:
% 1.87/2.07  
% 1.87/2.07  list(usable).
% 1.87/2.07  0 [] A=A.
% 1.87/2.07  0 [] -in(A,B)| -in(B,A).
% 1.87/2.07  0 [] -empty(A)|relation(A).
% 1.87/2.07  0 [] unordered_pair(A,B)=unordered_pair(B,A).
% 1.87/2.07  0 [] -relation(A)|B!=relation_dom(A)| -in(C,B)|in(ordered_pair(C,$f1(A,B,C)),A).
% 1.87/2.07  0 [] -relation(A)|B!=relation_dom(A)|in(C,B)| -in(ordered_pair(C,D),A).
% 1.87/2.07  0 [] -relation(A)|B=relation_dom(A)|in($f3(A,B),B)|in(ordered_pair($f3(A,B),$f2(A,B)),A).
% 1.87/2.07  0 [] -relation(A)|B=relation_dom(A)| -in($f3(A,B),B)| -in(ordered_pair($f3(A,B),X1),A).
% 1.87/2.07  0 [] -relation(A)|B!=relation_rng(A)| -in(C,B)|in(ordered_pair($f4(A,B,C),C),A).
% 1.87/2.07  0 [] -relation(A)|B!=relation_rng(A)|in(C,B)| -in(ordered_pair(D,C),A).
% 1.87/2.07  0 [] -relation(A)|B=relation_rng(A)|in($f6(A,B),B)|in(ordered_pair($f5(A,B),$f6(A,B)),A).
% 1.87/2.07  0 [] -relation(A)|B=relation_rng(A)| -in($f6(A,B),B)| -in(ordered_pair(X2,$f6(A,B)),A).
% 1.87/2.07  0 [] ordered_pair(A,B)=unordered_pair(unordered_pair(A,B),singleton(A)).
% 1.87/2.07  0 [] $T.
% 1.87/2.07  0 [] $T.
% 1.87/2.07  0 [] $T.
% 1.87/2.07  0 [] $T.
% 1.87/2.07  0 [] $T.
% 1.87/2.07  0 [] $T.
% 1.87/2.07  0 [] $T.
% 1.87/2.07  0 [] element($f7(A),A).
% 1.87/2.07  0 [] empty(empty_set).
% 1.87/2.07  0 [] -empty(ordered_pair(A,B)).
% 1.87/2.07  0 [] -empty(singleton(A)).
% 1.87/2.07  0 [] -empty(unordered_pair(A,B)).
% 1.87/2.07  0 [] empty(empty_set).
% 1.87/2.07  0 [] relation(empty_set).
% 1.87/2.07  0 [] empty(A)| -relation(A)| -empty(relation_dom(A)).
% 1.87/2.07  0 [] empty(A)| -relation(A)| -empty(relation_rng(A)).
% 1.87/2.07  0 [] -empty(A)|empty(relation_dom(A)).
% 1.87/2.07  0 [] -empty(A)|relation(relation_dom(A)).
% 1.87/2.07  0 [] -empty(A)|empty(relation_rng(A)).
% 1.87/2.07  0 [] -empty(A)|relation(relation_rng(A)).
% 1.87/2.07  0 [] empty($c1).
% 1.87/2.07  0 [] relation($c1).
% 1.87/2.07  0 [] empty($c2).
% 1.87/2.07  0 [] -empty($c3).
% 1.87/2.07  0 [] relation($c3).
% 1.87/2.07  0 [] -empty($c4).
% 1.87/2.07  0 [] -in(A,B)|element(A,B).
% 1.87/2.07  0 [] -element(A,B)|empty(B)|in(A,B).
% 1.87/2.07  0 [] -relation(A)|in(ordered_pair($f9(A),$f8(A)),A)|A=empty_set.
% 1.87/2.07  0 [] relation($c5).
% 1.87/2.07  0 [] relation_dom($c5)=empty_set|relation_rng($c5)=empty_set.
% 1.87/2.07  0 [] $c5!=empty_set.
% 1.87/2.07  0 [] -empty(A)|A=empty_set.
% 1.87/2.07  0 [] -in(A,B)| -empty(B).
% 1.87/2.07  0 [] -empty(A)|A=B| -empty(B).
% 1.87/2.07  end_of_list.
% 1.87/2.07  
% 1.87/2.07  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=4.
% 1.87/2.07  
% 1.87/2.07  This ia a non-Horn set with equality.  The strategy will be
% 1.87/2.07  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.87/2.07  deletion, with positive clauses in sos and nonpositive
% 1.95/2.15  clauses in usable.
% 1.95/2.15  
% 1.95/2.15     dependent: set(knuth_bendix).
% 1.95/2.15     dependent: set(anl_eq).
% 1.95/2.15     dependent: set(para_from).
% 1.95/2.15     dependent: set(para_into).
% 1.95/2.15     dependent: clear(para_from_right).
% 1.95/2.15     dependent: clear(para_into_right).
% 1.95/2.15     dependent: set(para_from_vars).
% 1.95/2.15     dependent: set(eq_units_both_ways).
% 1.95/2.15     dependent: set(dynamic_demod_all).
% 1.95/2.15     dependent: set(dynamic_demod).
% 1.95/2.15     dependent: set(order_eq).
% 1.95/2.15     dependent: set(back_demod).
% 1.95/2.15     dependent: set(lrpo).
% 1.95/2.15     dependent: set(hyper_res).
% 1.95/2.15     dependent: set(unit_deletion).
% 1.95/2.15     dependent: set(factor).
% 1.95/2.15  
% 1.95/2.15  ------------> process usable:
% 1.95/2.15  ** KEPT (pick-wt=6): 1 [] -in(A,B)| -in(B,A).
% 1.95/2.15  ** KEPT (pick-wt=4): 2 [] -empty(A)|relation(A).
% 1.95/2.15  ** KEPT (pick-wt=17): 3 [] -relation(A)|B!=relation_dom(A)| -in(C,B)|in(ordered_pair(C,$f1(A,B,C)),A).
% 1.95/2.15  ** KEPT (pick-wt=14): 4 [] -relation(A)|B!=relation_dom(A)|in(C,B)| -in(ordered_pair(C,D),A).
% 1.95/2.15  ** KEPT (pick-wt=20): 5 [] -relation(A)|B=relation_dom(A)|in($f3(A,B),B)|in(ordered_pair($f3(A,B),$f2(A,B)),A).
% 1.95/2.15  ** KEPT (pick-wt=18): 6 [] -relation(A)|B=relation_dom(A)| -in($f3(A,B),B)| -in(ordered_pair($f3(A,B),C),A).
% 1.95/2.15  ** KEPT (pick-wt=17): 7 [] -relation(A)|B!=relation_rng(A)| -in(C,B)|in(ordered_pair($f4(A,B,C),C),A).
% 1.95/2.15  ** KEPT (pick-wt=14): 8 [] -relation(A)|B!=relation_rng(A)|in(C,B)| -in(ordered_pair(D,C),A).
% 1.95/2.15  ** KEPT (pick-wt=20): 9 [] -relation(A)|B=relation_rng(A)|in($f6(A,B),B)|in(ordered_pair($f5(A,B),$f6(A,B)),A).
% 1.95/2.15  ** KEPT (pick-wt=18): 10 [] -relation(A)|B=relation_rng(A)| -in($f6(A,B),B)| -in(ordered_pair(C,$f6(A,B)),A).
% 1.95/2.15  ** KEPT (pick-wt=4): 11 [] -empty(ordered_pair(A,B)).
% 1.95/2.15  ** KEPT (pick-wt=3): 12 [] -empty(singleton(A)).
% 1.95/2.15  ** KEPT (pick-wt=4): 13 [] -empty(unordered_pair(A,B)).
% 1.95/2.15  ** KEPT (pick-wt=7): 14 [] empty(A)| -relation(A)| -empty(relation_dom(A)).
% 1.95/2.15  ** KEPT (pick-wt=7): 15 [] empty(A)| -relation(A)| -empty(relation_rng(A)).
% 1.95/2.15  ** KEPT (pick-wt=5): 16 [] -empty(A)|empty(relation_dom(A)).
% 1.95/2.15  ** KEPT (pick-wt=5): 17 [] -empty(A)|relation(relation_dom(A)).
% 1.95/2.15  ** KEPT (pick-wt=5): 18 [] -empty(A)|empty(relation_rng(A)).
% 1.95/2.15  ** KEPT (pick-wt=5): 19 [] -empty(A)|relation(relation_rng(A)).
% 1.95/2.15  ** KEPT (pick-wt=2): 20 [] -empty($c3).
% 1.95/2.15  ** KEPT (pick-wt=2): 21 [] -empty($c4).
% 1.95/2.15  ** KEPT (pick-wt=6): 22 [] -in(A,B)|element(A,B).
% 1.95/2.15  ** KEPT (pick-wt=8): 23 [] -element(A,B)|empty(B)|in(A,B).
% 1.95/2.15  ** KEPT (pick-wt=12): 24 [] -relation(A)|in(ordered_pair($f9(A),$f8(A)),A)|A=empty_set.
% 1.95/2.15  ** KEPT (pick-wt=3): 26 [copy,25,flip.1] empty_set!=$c5.
% 1.95/2.15  ** KEPT (pick-wt=5): 27 [] -empty(A)|A=empty_set.
% 1.95/2.15  ** KEPT (pick-wt=5): 28 [] -in(A,B)| -empty(B).
% 1.95/2.15  ** KEPT (pick-wt=7): 29 [] -empty(A)|A=B| -empty(B).
% 1.95/2.15  
% 1.95/2.15  ------------> process sos:
% 1.95/2.15  ** KEPT (pick-wt=3): 32 [] A=A.
% 1.95/2.15  ** KEPT (pick-wt=7): 33 [] unordered_pair(A,B)=unordered_pair(B,A).
% 1.95/2.15  ** KEPT (pick-wt=10): 35 [copy,34,flip.1] unordered_pair(unordered_pair(A,B),singleton(A))=ordered_pair(A,B).
% 1.95/2.15  ---> New Demodulator: 36 [new_demod,35] unordered_pair(unordered_pair(A,B),singleton(A))=ordered_pair(A,B).
% 1.95/2.15  ** KEPT (pick-wt=4): 37 [] element($f7(A),A).
% 1.95/2.15  ** KEPT (pick-wt=2): 38 [] empty(empty_set).
% 1.95/2.15    Following clause subsumed by 38 during input processing: 0 [] empty(empty_set).
% 1.95/2.15  ** KEPT (pick-wt=2): 39 [] relation(empty_set).
% 1.95/2.15  ** KEPT (pick-wt=2): 40 [] empty($c1).
% 1.95/2.15  ** KEPT (pick-wt=2): 41 [] relation($c1).
% 1.95/2.15  ** KEPT (pick-wt=2): 42 [] empty($c2).
% 1.95/2.15  ** KEPT (pick-wt=2): 43 [] relation($c3).
% 1.95/2.15  ** KEPT (pick-wt=2): 44 [] relation($c5).
% 1.95/2.15  ** KEPT (pick-wt=8): 45 [] relation_dom($c5)=empty_set|relation_rng($c5)=empty_set.
% 1.95/2.15    Following clause subsumed by 32 during input processing: 0 [copy,32,flip.1] A=A.
% 1.95/2.15  32 back subsumes 31.
% 1.95/2.15    Following clause subsumed by 33 during input processing: 0 [copy,33,flip.1] unordered_pair(A,B)=unordered_pair(B,A).
% 1.95/2.15  >>>> Starting back demodulation with 36.
% 1.95/2.15  
% 1.95/2.15  ======= end of input processing =======
% 1.95/2.15  
% 1.95/2.15  =========== start of search ===========
% 1.95/2.15  
% 1.95/2.15  
% 1.95/2.15  Resetting weight limit to 9.
% 1.95/2.15  
% 1.95/2.15  
% 1.95/2.15  Resetting weight limit to 9.
% 1.95/2.15  
% 1.95/2.15  sos_size=641
% 1.95/2.15  
% 1.95/2.15  -------- PROOF -------- 
% 1.95/2.15  
% 1.95/2.15  -----> EMPTY CLAUSE at   0.08 sec ----> 791 [para_from,778.1.1,15.3.1,unit_del,242,44,40] $F.
% 1.95/2.15  
% 1.95/2.15  Length of proof is 7.  Level of proof is 4.
% 1.95/2.15  
% 1.95/2.15  ---------------- PROOF ----------------
% 1.95/2.15  % SZS status Theorem
% 1.95/2.15  % SZS output start Refutation
% See solution above
% 1.95/2.15  ------------ end of proof -------------
% 1.95/2.15  
% 1.95/2.15  
% 1.95/2.15  Search stopped by max_proofs option.
% 1.95/2.15  
% 1.95/2.15  
% 1.95/2.15  Search stopped by max_proofs option.
% 1.95/2.15  
% 1.95/2.15  ============ end of search ============
% 1.95/2.15  
% 1.95/2.15  -------------- statistics -------------
% 1.95/2.15  clauses given                 54
% 1.95/2.15  clauses generated           1721
% 1.95/2.15  clauses kept                 778
% 1.95/2.15  clauses forward subsumed     569
% 1.95/2.15  clauses back subsumed          8
% 1.95/2.15  Kbytes malloced             4882
% 1.95/2.15  
% 1.95/2.15  ----------- times (seconds) -----------
% 1.95/2.15  user CPU time          0.08          (0 hr, 0 min, 0 sec)
% 1.95/2.15  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.95/2.15  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.95/2.15  
% 1.95/2.15  That finishes the proof of the theorem.
% 1.95/2.15  
% 1.95/2.15  Process 8596 finished Wed Jul 27 07:37:42 2022
% 1.95/2.15  Otter interrupted
% 1.95/2.15  PROOF FOUND
%------------------------------------------------------------------------------