TSTP Solution File: SEU080+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SEU080+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 13:14:44 EDT 2022

% Result   : Theorem 2.36s 2.56s
% Output   : Refutation 2.36s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    4
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   15 (  11 unt;   0 nHn;  14 RR)
%            Number of literals    :   24 (   4 equ;  10 neg)
%            Maximal clause size   :    5 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   3 usr;   1 prp; 0-2 aty)
%            Number of functors    :    5 (   5 usr;   3 con; 0-2 aty)
%            Number of variables   :    8 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(7,axiom,
    ( A = B
    | ~ subset(A,B)
    | ~ subset(B,A) ),
    file('SEU080+1.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ relation(A)
    | ~ function(A)
    | ~ subset(relation_inverse_image(A,B),relation_inverse_image(A,C))
    | ~ subset(B,relation_rng(A))
    | subset(B,C) ),
    file('SEU080+1.p',unknown),
    [] ).

cnf(16,axiom,
    dollar_c11 != dollar_c10,
    file('SEU080+1.p',unknown),
    [] ).

cnf(51,axiom,
    subset(A,A),
    file('SEU080+1.p',unknown),
    [] ).

cnf(52,axiom,
    relation(dollar_c9),
    file('SEU080+1.p',unknown),
    [] ).

cnf(53,axiom,
    function(dollar_c9),
    file('SEU080+1.p',unknown),
    [] ).

cnf(54,axiom,
    relation_inverse_image(dollar_c9,dollar_c11) = relation_inverse_image(dollar_c9,dollar_c10),
    file('SEU080+1.p',unknown),
    [] ).

cnf(56,axiom,
    subset(dollar_c11,relation_rng(dollar_c9)),
    file('SEU080+1.p',unknown),
    [] ).

cnf(57,axiom,
    subset(dollar_c10,relation_rng(dollar_c9)),
    file('SEU080+1.p',unknown),
    [] ).

cnf(150,plain,
    ( ~ subset(relation_inverse_image(dollar_c9,A),relation_inverse_image(dollar_c9,dollar_c10))
    | ~ subset(A,relation_rng(dollar_c9))
    | subset(A,dollar_c11) ),
    inference(unit_del,[status(thm)],[inference(para_from,[status(thm),theory(equality)],[54,15]),52,53]),
    [iquote('para_from,54.1.1,15.3.2,unit_del,52,53')] ).

cnf(151,plain,
    ( ~ subset(relation_inverse_image(dollar_c9,dollar_c10),relation_inverse_image(dollar_c9,A))
    | subset(dollar_c11,A) ),
    inference(unit_del,[status(thm)],[inference(para_from,[status(thm),theory(equality)],[54,15]),52,53,56]),
    [iquote('para_from,54.1.1,15.3.1,unit_del,52,53,56')] ).

cnf(2254,plain,
    subset(dollar_c10,dollar_c11),
    inference(hyper,[status(thm)],[150,51,57]),
    [iquote('hyper,150,51,57')] ).

cnf(2367,plain,
    subset(dollar_c11,dollar_c10),
    inference(hyper,[status(thm)],[151,51]),
    [iquote('hyper,151,51')] ).

cnf(2414,plain,
    dollar_c11 = dollar_c10,
    inference(flip,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[2367,7,2254])]),
    [iquote('hyper,2367,7,2254,flip.1')] ).

cnf(2416,plain,
    $false,
    inference(binary,[status(thm)],[2414,16]),
    [iquote('binary,2414.1,16.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SEU080+1 : TPTP v8.1.0. Released v3.2.0.
% 0.11/0.12  % 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 08:08:24 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 2.08/2.26  ----- Otter 3.3f, August 2004 -----
% 2.08/2.26  The process was started by sandbox on n026.cluster.edu,
% 2.08/2.26  Wed Jul 27 08:08:24 2022
% 2.08/2.26  The command was "./otter".  The process ID is 28958.
% 2.08/2.26  
% 2.08/2.26  set(prolog_style_variables).
% 2.08/2.26  set(auto).
% 2.08/2.26     dependent: set(auto1).
% 2.08/2.26     dependent: set(process_input).
% 2.08/2.26     dependent: clear(print_kept).
% 2.08/2.26     dependent: clear(print_new_demod).
% 2.08/2.26     dependent: clear(print_back_demod).
% 2.08/2.26     dependent: clear(print_back_sub).
% 2.08/2.26     dependent: set(control_memory).
% 2.08/2.26     dependent: assign(max_mem, 12000).
% 2.08/2.26     dependent: assign(pick_given_ratio, 4).
% 2.08/2.26     dependent: assign(stats_level, 1).
% 2.08/2.26     dependent: assign(max_seconds, 10800).
% 2.08/2.26  clear(print_given).
% 2.08/2.26  
% 2.08/2.26  formula_list(usable).
% 2.08/2.26  all A (A=A).
% 2.08/2.26  all A B (in(A,B)-> -in(B,A)).
% 2.08/2.26  all A (empty(A)->function(A)).
% 2.08/2.26  all A (empty(A)->relation(A)).
% 2.08/2.26  all A (relation(A)&empty(A)&function(A)->relation(A)&function(A)&one_to_one(A)).
% 2.08/2.26  all A B (A=B<->subset(A,B)&subset(B,A)).
% 2.08/2.26  all A exists B element(B,A).
% 2.08/2.26  empty(empty_set).
% 2.08/2.26  relation(empty_set).
% 2.08/2.26  relation_empty_yielding(empty_set).
% 2.08/2.26  all A (-empty(powerset(A))).
% 2.08/2.26  empty(empty_set).
% 2.08/2.26  empty(empty_set).
% 2.08/2.26  relation(empty_set).
% 2.08/2.26  all A (-empty(A)&relation(A)-> -empty(relation_rng(A))).
% 2.08/2.26  all A (empty(A)->empty(relation_rng(A))&relation(relation_rng(A))).
% 2.08/2.26  exists A (relation(A)&function(A)).
% 2.08/2.26  exists A (empty(A)&relation(A)).
% 2.08/2.26  all A (-empty(A)-> (exists B (element(B,powerset(A))& -empty(B)))).
% 2.08/2.26  exists A empty(A).
% 2.08/2.26  exists A (relation(A)&empty(A)&function(A)).
% 2.08/2.26  exists A (-empty(A)&relation(A)).
% 2.08/2.26  all A exists B (element(B,powerset(A))&empty(B)).
% 2.08/2.26  exists A (-empty(A)).
% 2.08/2.26  exists A (relation(A)&function(A)&one_to_one(A)).
% 2.08/2.26  exists A (relation(A)&relation_empty_yielding(A)).
% 2.08/2.26  all A B subset(A,A).
% 2.08/2.26  all A B C (relation(C)&function(C)-> (subset(relation_inverse_image(C,A),relation_inverse_image(C,B))&subset(A,relation_rng(C))->subset(A,B))).
% 2.08/2.26  -(all A B C (relation(C)&function(C)-> (relation_inverse_image(C,A)=relation_inverse_image(C,B)&subset(A,relation_rng(C))&subset(B,relation_rng(C))->A=B))).
% 2.08/2.26  all A B (in(A,B)->element(A,B)).
% 2.08/2.26  all A B (element(A,B)->empty(B)|in(A,B)).
% 2.08/2.26  all A B (element(A,powerset(B))<->subset(A,B)).
% 2.08/2.26  all A B C (in(A,B)&element(B,powerset(C))->element(A,C)).
% 2.08/2.26  all A B C (-(in(A,B)&element(B,powerset(C))&empty(C))).
% 2.08/2.26  all A (empty(A)->A=empty_set).
% 2.08/2.26  all A B (-(in(A,B)&empty(B))).
% 2.08/2.26  all A B (-(empty(A)&A!=B&empty(B))).
% 2.08/2.26  end_of_list.
% 2.08/2.26  
% 2.08/2.26  -------> usable clausifies to:
% 2.08/2.26  
% 2.08/2.26  list(usable).
% 2.08/2.26  0 [] A=A.
% 2.08/2.26  0 [] -in(A,B)| -in(B,A).
% 2.08/2.26  0 [] -empty(A)|function(A).
% 2.08/2.26  0 [] -empty(A)|relation(A).
% 2.08/2.26  0 [] -relation(A)| -empty(A)| -function(A)|one_to_one(A).
% 2.08/2.26  0 [] A!=B|subset(A,B).
% 2.08/2.26  0 [] A!=B|subset(B,A).
% 2.08/2.26  0 [] A=B| -subset(A,B)| -subset(B,A).
% 2.08/2.26  0 [] element($f1(A),A).
% 2.08/2.26  0 [] empty(empty_set).
% 2.08/2.26  0 [] relation(empty_set).
% 2.08/2.26  0 [] relation_empty_yielding(empty_set).
% 2.08/2.26  0 [] -empty(powerset(A)).
% 2.08/2.26  0 [] empty(empty_set).
% 2.08/2.26  0 [] empty(empty_set).
% 2.08/2.26  0 [] relation(empty_set).
% 2.08/2.26  0 [] empty(A)| -relation(A)| -empty(relation_rng(A)).
% 2.08/2.26  0 [] -empty(A)|empty(relation_rng(A)).
% 2.08/2.26  0 [] -empty(A)|relation(relation_rng(A)).
% 2.08/2.26  0 [] relation($c1).
% 2.08/2.26  0 [] function($c1).
% 2.08/2.26  0 [] empty($c2).
% 2.08/2.26  0 [] relation($c2).
% 2.08/2.26  0 [] empty(A)|element($f2(A),powerset(A)).
% 2.08/2.26  0 [] empty(A)| -empty($f2(A)).
% 2.08/2.26  0 [] empty($c3).
% 2.08/2.26  0 [] relation($c4).
% 2.08/2.26  0 [] empty($c4).
% 2.08/2.26  0 [] function($c4).
% 2.08/2.26  0 [] -empty($c5).
% 2.08/2.26  0 [] relation($c5).
% 2.08/2.26  0 [] element($f3(A),powerset(A)).
% 2.08/2.26  0 [] empty($f3(A)).
% 2.08/2.26  0 [] -empty($c6).
% 2.08/2.26  0 [] relation($c7).
% 2.08/2.26  0 [] function($c7).
% 2.08/2.26  0 [] one_to_one($c7).
% 2.08/2.26  0 [] relation($c8).
% 2.08/2.26  0 [] relation_empty_yielding($c8).
% 2.08/2.26  0 [] subset(A,A).
% 2.08/2.26  0 [] -relation(C)| -function(C)| -subset(relation_inverse_image(C,A),relation_inverse_image(C,B))| -subset(A,relation_rng(C))|subset(A,B).
% 2.08/2.26  0 [] relation($c9).
% 2.08/2.26  0 [] function($c9).
% 2.08/2.26  0 [] relation_inverse_image($c9,$c11)=relation_inverse_image($c9,$c10).
% 2.08/2.26  0 [] subset($c11,relation_rng($c9)).
% 2.08/2.26  0 [] subset($c10,relation_rng($c9)).
% 2.08/2.26  0 [] $c11!=$c10.
% 2.08/2.26  0 [] -in(A,B)|element(A,B).
% 2.08/2.26  0 [] -element(A,B)|empty(B)|in(A,B).
% 2.08/2.26  0 [] -element(A,powerset(B))|subset(A,B).
% 2.08/2.26  0 [] element(A,powerset(B))| -subset(A,B).
% 2.08/2.26  0 [] -in(A,B)| -element(B,powerset(C))|element(A,C).
% 2.08/2.26  0 [] -in(A,B)| -element(B,powerset(C))| -empty(C).
% 2.08/2.26  0 [] -empty(A)|A=empty_set.
% 2.08/2.26  0 [] -in(A,B)| -empty(B).
% 2.08/2.26  0 [] -empty(A)|A=B| -empty(B).
% 2.08/2.26  end_of_list.
% 2.08/2.26  
% 2.08/2.26  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=5.
% 2.08/2.26  
% 2.08/2.26  This ia a non-Horn set with equality.  The strategy will be
% 2.08/2.26  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 2.08/2.26  deletion, with positive clauses in sos and nonpositive
% 2.08/2.26  clauses in usable.
% 2.08/2.26  
% 2.08/2.26     dependent: set(knuth_bendix).
% 2.08/2.26     dependent: set(anl_eq).
% 2.08/2.26     dependent: set(para_from).
% 2.08/2.26     dependent: set(para_into).
% 2.08/2.26     dependent: clear(para_from_right).
% 2.08/2.26     dependent: clear(para_into_right).
% 2.08/2.26     dependent: set(para_from_vars).
% 2.08/2.26     dependent: set(eq_units_both_ways).
% 2.08/2.26     dependent: set(dynamic_demod_all).
% 2.08/2.26     dependent: set(dynamic_demod).
% 2.08/2.26     dependent: set(order_eq).
% 2.08/2.26     dependent: set(back_demod).
% 2.08/2.26     dependent: set(lrpo).
% 2.08/2.26     dependent: set(hyper_res).
% 2.08/2.26     dependent: set(unit_deletion).
% 2.08/2.26     dependent: set(factor).
% 2.08/2.26  
% 2.08/2.26  ------------> process usable:
% 2.08/2.26  ** KEPT (pick-wt=6): 1 [] -in(A,B)| -in(B,A).
% 2.08/2.26  ** KEPT (pick-wt=4): 2 [] -empty(A)|function(A).
% 2.08/2.26  ** KEPT (pick-wt=4): 3 [] -empty(A)|relation(A).
% 2.08/2.26  ** KEPT (pick-wt=8): 4 [] -relation(A)| -empty(A)| -function(A)|one_to_one(A).
% 2.08/2.26  ** KEPT (pick-wt=6): 5 [] A!=B|subset(A,B).
% 2.08/2.26  ** KEPT (pick-wt=6): 6 [] A!=B|subset(B,A).
% 2.08/2.26  ** KEPT (pick-wt=9): 7 [] A=B| -subset(A,B)| -subset(B,A).
% 2.08/2.26  ** KEPT (pick-wt=3): 8 [] -empty(powerset(A)).
% 2.08/2.26  ** KEPT (pick-wt=7): 9 [] empty(A)| -relation(A)| -empty(relation_rng(A)).
% 2.08/2.26  ** KEPT (pick-wt=5): 10 [] -empty(A)|empty(relation_rng(A)).
% 2.08/2.26  ** KEPT (pick-wt=5): 11 [] -empty(A)|relation(relation_rng(A)).
% 2.08/2.26  ** KEPT (pick-wt=5): 12 [] empty(A)| -empty($f2(A)).
% 2.08/2.26  ** KEPT (pick-wt=2): 13 [] -empty($c5).
% 2.08/2.26  ** KEPT (pick-wt=2): 14 [] -empty($c6).
% 2.08/2.26  ** KEPT (pick-wt=18): 15 [] -relation(A)| -function(A)| -subset(relation_inverse_image(A,B),relation_inverse_image(A,C))| -subset(B,relation_rng(A))|subset(B,C).
% 2.08/2.26  ** KEPT (pick-wt=3): 16 [] $c11!=$c10.
% 2.08/2.26  ** KEPT (pick-wt=6): 17 [] -in(A,B)|element(A,B).
% 2.08/2.26  ** KEPT (pick-wt=8): 18 [] -element(A,B)|empty(B)|in(A,B).
% 2.08/2.26  ** KEPT (pick-wt=7): 19 [] -element(A,powerset(B))|subset(A,B).
% 2.08/2.26  ** KEPT (pick-wt=7): 20 [] element(A,powerset(B))| -subset(A,B).
% 2.08/2.26  ** KEPT (pick-wt=10): 21 [] -in(A,B)| -element(B,powerset(C))|element(A,C).
% 2.08/2.26  ** KEPT (pick-wt=9): 22 [] -in(A,B)| -element(B,powerset(C))| -empty(C).
% 2.08/2.26  ** KEPT (pick-wt=5): 23 [] -empty(A)|A=empty_set.
% 2.08/2.26  ** KEPT (pick-wt=5): 24 [] -in(A,B)| -empty(B).
% 2.08/2.26  ** KEPT (pick-wt=7): 25 [] -empty(A)|A=B| -empty(B).
% 2.08/2.26  
% 2.08/2.26  ------------> process sos:
% 2.08/2.26  ** KEPT (pick-wt=3): 29 [] A=A.
% 2.08/2.26  ** KEPT (pick-wt=4): 30 [] element($f1(A),A).
% 2.08/2.26  ** KEPT (pick-wt=2): 31 [] empty(empty_set).
% 2.08/2.26  ** KEPT (pick-wt=2): 32 [] relation(empty_set).
% 2.08/2.26  ** KEPT (pick-wt=2): 33 [] relation_empty_yielding(empty_set).
% 2.08/2.26    Following clause subsumed by 31 during input processing: 0 [] empty(empty_set).
% 2.08/2.26    Following clause subsumed by 31 during input processing: 0 [] empty(empty_set).
% 2.08/2.26    Following clause subsumed by 32 during input processing: 0 [] relation(empty_set).
% 2.08/2.26  ** KEPT (pick-wt=2): 34 [] relation($c1).
% 2.08/2.26  ** KEPT (pick-wt=2): 35 [] function($c1).
% 2.08/2.26  ** KEPT (pick-wt=2): 36 [] empty($c2).
% 2.08/2.26  ** KEPT (pick-wt=2): 37 [] relation($c2).
% 2.08/2.26  ** KEPT (pick-wt=7): 38 [] empty(A)|element($f2(A),powerset(A)).
% 2.08/2.26  ** KEPT (pick-wt=2): 39 [] empty($c3).
% 2.08/2.26  ** KEPT (pick-wt=2): 40 [] relation($c4).
% 2.08/2.26  ** KEPT (pick-wt=2): 41 [] empty($c4).
% 2.08/2.26  ** KEPT (pick-wt=2): 42 [] function($c4).
% 2.08/2.26  ** KEPT (pick-wt=2): 43 [] relation($c5).
% 2.08/2.26  ** KEPT (pick-wt=5): 44 [] element($f3(A),powerset(A)).
% 2.08/2.26  ** KEPT (pick-wt=3): 45 [] empty($f3(A)).
% 2.08/2.26  ** KEPT (pick-wt=2): 46 [] relation($c7).
% 2.08/2.26  ** KEPT (pick-wt=2): 47 [] function($c7).
% 2.08/2.26  ** KEPT (pick-wt=2): 48 [] one_to_one($c7).
% 2.08/2.26  ** KEPT (pick-wt=2): 49 [] relation($c8).
% 2.08/2.26  ** KEPT (pick-wt=2): 50 [] relation_empty_yielding($c8).
% 2.08/2.26  ** KEPT (pick-wt=3): 51 [] subset(A,A).
% 2.08/2.26  ** KEPT (pick-wt=2): 52 [] relation($c9).
% 2.08/2.26  ** KEPT (pick-wt=2): 53 [] function($c9).
% 2.08/2.26  ** KEPT (pick-wt=7): 54 [] relation_inverse_image($c9,$c11)=relation_inverse_image($c9,$c10).
% 2.08/2.26  ---> New Demodulator: 55 [new_demod,54] relation_inverse_image($c9,$c11)=relation_inverse_image($c9,$c10).
% 2.08/2.26  ** KEPT (pick-wt=4): 56 [] subset($c11,relation_rng($c9)).
% 2.08/2.26  ** KEPT (pick-wt=4): 57 [] subset($c10,relation_rng($c9)).
% 2.08/2.26    Following clause subsumed by 29 during input processing: 0 [copy,29,flip.1] A=A.
% 2.08/2.26  29 back subsumes 28.
% 2.08/2.26  29 back subsumes 27.
% 2.36/2.56  >>>> Starting back demodulation with 55.
% 2.36/2.56  
% 2.36/2.56  ======= end of input processing =======
% 2.36/2.56  
% 2.36/2.56  =========== start of search ===========
% 2.36/2.56  
% 2.36/2.56  -------- PROOF -------- 
% 2.36/2.56  
% 2.36/2.56  ----> UNIT CONFLICT at   0.30 sec ----> 2416 [binary,2414.1,16.1] $F.
% 2.36/2.56  
% 2.36/2.56  Length of proof is 5.  Level of proof is 3.
% 2.36/2.56  
% 2.36/2.56  ---------------- PROOF ----------------
% 2.36/2.56  % SZS status Theorem
% 2.36/2.56  % SZS output start Refutation
% See solution above
% 2.36/2.56  ------------ end of proof -------------
% 2.36/2.56  
% 2.36/2.56  
% 2.36/2.56  Search stopped by max_proofs option.
% 2.36/2.56  
% 2.36/2.56  
% 2.36/2.56  Search stopped by max_proofs option.
% 2.36/2.56  
% 2.36/2.56  ============ end of search ============
% 2.36/2.56  
% 2.36/2.56  -------------- statistics -------------
% 2.36/2.56  clauses given                227
% 2.36/2.56  clauses generated           9566
% 2.36/2.56  clauses kept                2407
% 2.36/2.56  clauses forward subsumed    7216
% 2.36/2.56  clauses back subsumed        704
% 2.36/2.56  Kbytes malloced             3906
% 2.36/2.56  
% 2.36/2.56  ----------- times (seconds) -----------
% 2.36/2.56  user CPU time          0.30          (0 hr, 0 min, 0 sec)
% 2.36/2.56  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 2.36/2.56  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.36/2.56  
% 2.36/2.56  That finishes the proof of the theorem.
% 2.36/2.56  
% 2.36/2.56  Process 28958 finished Wed Jul 27 08:08:26 2022
% 2.36/2.56  Otter interrupted
% 2.36/2.56  PROOF FOUND
%------------------------------------------------------------------------------