TSTP Solution File: SET848-2 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SET848-2 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n020.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 13:14:23 EDT 2022

% Result   : Unsatisfiable 1.91s 2.11s
% Output   : Refutation 1.91s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    5
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   14 (   9 unt;   2 nHn;   8 RR)
%            Number of literals    :   20 (   3 equ;   7 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    4 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :    9 (   9 usr;   2 con; 0-3 aty)
%            Number of variables   :   23 (   1 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ c_in(A,B,C)
    | c_in(A,D,C)
    | c_in(A,c_minus(B,D,tc_set(C)),C) ),
    file('SET848-2.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ c_lesse_quals(A,c_Zorn_OTFin(B,C),tc_set(tc_set(tc_set(C))))
    | c_in(c_Union(A,tc_set(C)),c_Zorn_OTFin(B,C),tc_set(tc_set(C))) ),
    file('SET848-2.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ c_in(A,c_Zorn_OTFin(B,C),tc_set(tc_set(C)))
    | c_in(A,c_Zorn_Ochain(B,C),tc_set(tc_set(C))) ),
    file('SET848-2.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ c_in(A,c_minus(c_Zorn_Ochain(B,C),c_Zorn_Omaxchain(B,C),tc_set(tc_set(tc_set(C)))),tc_set(tc_set(C)))
    | c_Zorn_Osucc(B,A,C) != A ),
    file('SET848-2.p',unknown),
    [] ).

cnf(5,axiom,
    ~ c_in(c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)),c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(t_a))),
    file('SET848-2.p',unknown),
    [] ).

cnf(6,axiom,
    A = A,
    file('SET848-2.p',unknown),
    [] ).

cnf(7,axiom,
    c_lesse_quals(A,A,tc_set(B)),
    file('SET848-2.p',unknown),
    [] ).

cnf(8,axiom,
    c_Zorn_Osucc(v_S,c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)),t_a) = c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)),
    file('SET848-2.p',unknown),
    [] ).

cnf(10,plain,
    c_in(c_Union(c_Zorn_OTFin(A,B),tc_set(B)),c_Zorn_OTFin(A,B),tc_set(tc_set(B))),
    inference(hyper,[status(thm)],[7,2]),
    [iquote('hyper,7,2')] ).

cnf(11,plain,
    c_in(c_Union(c_Zorn_OTFin(A,B),tc_set(B)),c_Zorn_Ochain(A,B),tc_set(tc_set(B))),
    inference(hyper,[status(thm)],[10,3]),
    [iquote('hyper,10,3')] ).

cnf(13,plain,
    ( c_in(c_Union(c_Zorn_OTFin(A,B),tc_set(B)),C,tc_set(tc_set(B)))
    | c_in(c_Union(c_Zorn_OTFin(A,B),tc_set(B)),c_minus(c_Zorn_Ochain(A,B),C,tc_set(tc_set(tc_set(B)))),tc_set(tc_set(B))) ),
    inference(hyper,[status(thm)],[11,1]),
    [iquote('hyper,11,1')] ).

cnf(14,plain,
    ~ c_in(c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)),c_minus(c_Zorn_Ochain(v_S,t_a),c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(tc_set(t_a)))),tc_set(tc_set(t_a))),
    inference(unit_del,[status(thm)],[inference(para_from,[status(thm),theory(equality)],[8,4]),6]),
    [iquote('para_from,8.1.1,4.2.1,unit_del,6')] ).

cnf(25,plain,
    c_in(c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)),c_minus(c_Zorn_Ochain(v_S,t_a),c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(tc_set(t_a)))),tc_set(tc_set(t_a))),
    inference(hyper,[status(thm)],[13,5]),
    [iquote('hyper,13,5')] ).

cnf(26,plain,
    $false,
    inference(binary,[status(thm)],[25,14]),
    [iquote('binary,25.1,14.1')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SET848-2 : TPTP v8.1.0. Released v3.2.0.
% 0.03/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n020.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 10:37:53 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.91/2.11  ----- Otter 3.3f, August 2004 -----
% 1.91/2.11  The process was started by sandbox2 on n020.cluster.edu,
% 1.91/2.11  Wed Jul 27 10:37:53 2022
% 1.91/2.11  The command was "./otter".  The process ID is 11478.
% 1.91/2.11  
% 1.91/2.11  set(prolog_style_variables).
% 1.91/2.11  set(auto).
% 1.91/2.11     dependent: set(auto1).
% 1.91/2.11     dependent: set(process_input).
% 1.91/2.11     dependent: clear(print_kept).
% 1.91/2.11     dependent: clear(print_new_demod).
% 1.91/2.11     dependent: clear(print_back_demod).
% 1.91/2.11     dependent: clear(print_back_sub).
% 1.91/2.11     dependent: set(control_memory).
% 1.91/2.11     dependent: assign(max_mem, 12000).
% 1.91/2.11     dependent: assign(pick_given_ratio, 4).
% 1.91/2.11     dependent: assign(stats_level, 1).
% 1.91/2.11     dependent: assign(max_seconds, 10800).
% 1.91/2.11  clear(print_given).
% 1.91/2.11  
% 1.91/2.11  list(usable).
% 1.91/2.11  0 [] A=A.
% 1.91/2.11  0 [] -c_in(V_c,V_A,T_a)|c_in(V_c,V_B,T_a)|c_in(V_c,c_minus(V_A,V_B,tc_set(T_a)),T_a).
% 1.91/2.11  0 [] c_lesse_quals(V_A,V_A,tc_set(T_a)).
% 1.91/2.11  0 [] -c_lesse_quals(V_Y,c_Zorn_OTFin(V_S,T_a),tc_set(tc_set(tc_set(T_a))))|c_in(c_Union(V_Y,tc_set(T_a)),c_Zorn_OTFin(V_S,T_a),tc_set(tc_set(T_a))).
% 1.91/2.11  0 [] -c_in(V_c,c_Zorn_OTFin(V_S,T_a),tc_set(tc_set(T_a)))|c_in(V_c,c_Zorn_Ochain(V_S,T_a),tc_set(tc_set(T_a))).
% 1.91/2.11  0 [] -c_in(V_c,c_minus(c_Zorn_Ochain(V_S,T_a),c_Zorn_Omaxchain(V_S,T_a),tc_set(tc_set(tc_set(T_a)))),tc_set(tc_set(T_a)))|c_Zorn_Osucc(V_S,V_c,T_a)!=V_c.
% 1.91/2.11  0 [] -c_in(c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)),c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(t_a))).
% 1.91/2.11  0 [] c_Zorn_Osucc(v_S,c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)),t_a)=c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)).
% 1.91/2.11  end_of_list.
% 1.91/2.11  
% 1.91/2.11  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=3.
% 1.91/2.11  
% 1.91/2.11  This ia a non-Horn set with equality.  The strategy will be
% 1.91/2.11  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.91/2.11  deletion, with positive clauses in sos and nonpositive
% 1.91/2.11  clauses in usable.
% 1.91/2.11  
% 1.91/2.11     dependent: set(knuth_bendix).
% 1.91/2.11     dependent: set(anl_eq).
% 1.91/2.11     dependent: set(para_from).
% 1.91/2.11     dependent: set(para_into).
% 1.91/2.11     dependent: clear(para_from_right).
% 1.91/2.11     dependent: clear(para_into_right).
% 1.91/2.11     dependent: set(para_from_vars).
% 1.91/2.11     dependent: set(eq_units_both_ways).
% 1.91/2.11     dependent: set(dynamic_demod_all).
% 1.91/2.11     dependent: set(dynamic_demod).
% 1.91/2.11     dependent: set(order_eq).
% 1.91/2.11     dependent: set(back_demod).
% 1.91/2.11     dependent: set(lrpo).
% 1.91/2.11     dependent: set(hyper_res).
% 1.91/2.11     dependent: set(unit_deletion).
% 1.91/2.11     dependent: set(factor).
% 1.91/2.11  
% 1.91/2.11  ------------> process usable:
% 1.91/2.11  ** KEPT (pick-wt=16): 1 [] -c_in(A,B,C)|c_in(A,D,C)|c_in(A,c_minus(B,D,tc_set(C)),C).
% 1.91/2.11  ** KEPT (pick-wt=20): 2 [] -c_lesse_quals(A,c_Zorn_OTFin(B,C),tc_set(tc_set(tc_set(C))))|c_in(c_Union(A,tc_set(C)),c_Zorn_OTFin(B,C),tc_set(tc_set(C))).
% 1.91/2.11  ** KEPT (pick-wt=16): 3 [] -c_in(A,c_Zorn_OTFin(B,C),tc_set(tc_set(C)))|c_in(A,c_Zorn_Ochain(B,C),tc_set(tc_set(C))).
% 1.91/2.11  ** KEPT (pick-wt=22): 4 [] -c_in(A,c_minus(c_Zorn_Ochain(B,C),c_Zorn_Omaxchain(B,C),tc_set(tc_set(tc_set(C)))),tc_set(tc_set(C)))|c_Zorn_Osucc(B,A,C)!=A.
% 1.91/2.11  ** KEPT (pick-wt=13): 5 [] -c_in(c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)),c_Zorn_Omaxchain(v_S,t_a),tc_set(tc_set(t_a))).
% 1.91/2.11  
% 1.91/2.11  ------------> process sos:
% 1.91/2.11  ** KEPT (pick-wt=3): 6 [] A=A.
% 1.91/2.11  ** KEPT (pick-wt=5): 7 [] c_lesse_quals(A,A,tc_set(B)).
% 1.91/2.11  ** KEPT (pick-wt=16): 8 [] c_Zorn_Osucc(v_S,c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)),t_a)=c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)).
% 1.91/2.11  ---> New Demodulator: 9 [new_demod,8] c_Zorn_Osucc(v_S,c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)),t_a)=c_Union(c_Zorn_OTFin(v_S,t_a),tc_set(t_a)).
% 1.91/2.11    Following clause subsumed by 6 during input processing: 0 [copy,6,flip.1] A=A.
% 1.91/2.11  >>>> Starting back demodulation with 9.
% 1.91/2.11  
% 1.91/2.11  ======= end of input processing =======
% 1.91/2.11  
% 1.91/2.11  =========== start of search ===========
% 1.91/2.11  
% 1.91/2.11  -------- PROOF -------- 
% 1.91/2.11  
% 1.91/2.11  ----> UNIT CONFLICT at   0.00 sec ----> 26 [binary,25.1,14.1] $F.
% 1.91/2.11  
% 1.91/2.11  Length of proof is 5.  Level of proof is 4.
% 1.91/2.11  
% 1.91/2.11  ---------------- PROOF ----------------
% 1.91/2.11  % SZS status Unsatisfiable
% 1.91/2.11  % SZS output start Refutation
% See solution above
% 1.91/2.11  ------------ end of proof -------------
% 1.91/2.11  
% 1.91/2.11  
% 1.91/2.11  Search stopped by max_proofs option.
% 1.91/2.11  
% 1.91/2.11  
% 1.91/2.11  Search stopped by max_proofs option.
% 1.91/2.11  
% 1.91/2.11  ============ end of search ============
% 1.91/2.11  
% 1.91/2.11  -------------- statistics -------------
% 1.91/2.11  clauses given                 10
% 1.91/2.11  clauses generated             20
% 1.91/2.11  clauses kept                  24
% 1.91/2.11  clauses forward subsumed       5
% 1.91/2.11  clauses back subsumed          0
% 1.91/2.11  Kbytes malloced             1953
% 1.91/2.11  
% 1.91/2.11  ----------- times (seconds) -----------
% 1.91/2.11  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.91/2.11  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.91/2.11  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 1.91/2.11  
% 1.91/2.11  That finishes the proof of the theorem.
% 1.91/2.11  
% 1.91/2.11  Process 11478 finished Wed Jul 27 10:37:55 2022
% 1.91/2.11  Otter interrupted
% 1.96/2.11  PROOF FOUND
%------------------------------------------------------------------------------