TSTP Solution File: MGT057+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : MGT057+1 : TPTP v8.1.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n021.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 13:06:14 EDT 2022

% Result   : Theorem 5.11s 5.30s
% Output   : Refutation 5.11s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :   17
% Syntax   : Number of clauses     :   29 (  15 unt;   5 nHn;  23 RR)
%            Number of literals    :   52 (   8 equ;  21 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    8 (   6 usr;   1 prp; 0-2 aty)
%            Number of functors    :    8 (   8 usr;   6 con; 0-2 aty)
%            Number of variables   :   26 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    ( smaller_or_e_qual(A,B)
    | ~ smaller(A,B) ),
    file('MGT057+1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ smaller(A,B)
    | greater(B,A) ),
    file('MGT057+1.p',unknown),
    [] ).

cnf(8,axiom,
    ( smaller(A,B)
    | ~ greater(B,A) ),
    file('MGT057+1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ greater(A,B)
    | ~ greater(B,A) ),
    file('MGT057+1.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ has_endowment(A)
    | ~ smaller_or_e_qual(age(A,B),eta)
    | has_immunity(A,B) ),
    file('MGT057+1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ has_endowment(A)
    | ~ greater(age(A,B),eta)
    | ~ has_immunity(A,B) ),
    file('MGT057+1.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ organization(A)
    | ~ has_immunity(A,B)
    | ~ has_immunity(A,C)
    | hazard_of_mortality(A,B) = hazard_of_mortality(A,C) ),
    file('MGT057+1.p',unknown),
    [] ).

cnf(18,axiom,
    ( ~ organization(A)
    | ~ has_immunity(A,B)
    | has_immunity(A,C)
    | greater(hazard_of_mortality(A,C),hazard_of_mortality(A,B)) ),
    file('MGT057+1.p',unknown),
    [] ).

cnf(19,axiom,
    ( ~ greater(hazard_of_mortality(dollar_c4,dollar_c1),hazard_of_mortality(dollar_c4,dollar_c2))
    | hazard_of_mortality(dollar_c4,dollar_c2) != hazard_of_mortality(dollar_c4,dollar_c3) ),
    file('MGT057+1.p',unknown),
    [] ).

cnf(20,plain,
    ( ~ greater(hazard_of_mortality(dollar_c4,dollar_c1),hazard_of_mortality(dollar_c4,dollar_c2))
    | hazard_of_mortality(dollar_c4,dollar_c3) != hazard_of_mortality(dollar_c4,dollar_c2) ),
    inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[19])]),
    [iquote('copy,19,flip.2')] ).

cnf(21,plain,
    ~ greater(A,A),
    inference(factor,[status(thm)],[9]),
    [iquote('factor,9.1.2')] ).

cnf(23,axiom,
    A = A,
    file('MGT057+1.p',unknown),
    [] ).

cnf(24,axiom,
    ( smaller(A,B)
    | A = B
    | greater(A,B) ),
    file('MGT057+1.p',unknown),
    [] ).

cnf(25,axiom,
    organization(dollar_c4),
    file('MGT057+1.p',unknown),
    [] ).

cnf(26,axiom,
    has_endowment(dollar_c4),
    file('MGT057+1.p',unknown),
    [] ).

cnf(27,axiom,
    age(dollar_c4,dollar_c3) = zero,
    file('MGT057+1.p',unknown),
    [] ).

cnf(29,axiom,
    smaller_or_e_qual(age(dollar_c4,dollar_c2),eta),
    file('MGT057+1.p',unknown),
    [] ).

cnf(30,axiom,
    greater(age(dollar_c4,dollar_c1),eta),
    file('MGT057+1.p',unknown),
    [] ).

cnf(31,axiom,
    greater(eta,zero),
    file('MGT057+1.p',unknown),
    [] ).

cnf(38,plain,
    smaller(zero,eta),
    inference(hyper,[status(thm)],[31,8]),
    [iquote('hyper,31,8')] ).

cnf(44,plain,
    ( A = B
    | greater(A,B)
    | greater(B,A) ),
    inference(hyper,[status(thm)],[24,7]),
    [iquote('hyper,24,7')] ).

cnf(81,plain,
    smaller_or_e_qual(zero,eta),
    inference(hyper,[status(thm)],[38,2]),
    [iquote('hyper,38,2')] ).

cnf(110,plain,
    has_immunity(dollar_c4,dollar_c3),
    inference(unit_del,[status(thm)],[inference(para_from,[status(thm),theory(equality)],[27,12]),26,81]),
    [iquote('para_from,27.1.1,12.2.1,unit_del,26,81')] ).

cnf(118,plain,
    has_immunity(dollar_c4,dollar_c2),
    inference(hyper,[status(thm)],[29,12,26]),
    [iquote('hyper,29,12,26')] ).

cnf(132,plain,
    ( has_immunity(dollar_c4,A)
    | greater(hazard_of_mortality(dollar_c4,A),hazard_of_mortality(dollar_c4,dollar_c2)) ),
    inference(hyper,[status(thm)],[118,18,25]),
    [iquote('hyper,118,18,25')] ).

cnf(134,plain,
    hazard_of_mortality(dollar_c4,dollar_c3) = hazard_of_mortality(dollar_c4,dollar_c2),
    inference(hyper,[status(thm)],[118,17,25,110]),
    [iquote('hyper,118,17,25,110')] ).

cnf(142,plain,
    ~ greater(hazard_of_mortality(dollar_c4,dollar_c1),hazard_of_mortality(dollar_c4,dollar_c2)),
    inference(unit_del,[status(thm)],[inference(demod,[status(thm),theory(equality)],[inference(back_demod,[status(thm)],[20]),134]),23]),
    [iquote('back_demod,20,demod,134,unit_del,23')] ).

cnf(477,plain,
    ( has_endowment(A)
    | greater(dollar_c4,A)
    | greater(A,dollar_c4) ),
    inference(para_from,[status(thm),theory(equality)],[44,26]),
    [iquote('para_from,44.1.1,26.1.1')] ).

cnf(4446,plain,
    $false,
    inference(unit_del,[status(thm)],[inference(hyper,[status(thm)],[132,13,477,30]),142,21,21]),
    [iquote('hyper,132,13,477,30,unit_del,142,21,21')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : MGT057+1 : TPTP v8.1.0. Released v2.4.0.
% 0.07/0.13  % Command  : otter-tptp-script %s
% 0.13/0.33  % Computer : n021.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 300
% 0.13/0.33  % DateTime : Wed Jul 27 03:58:38 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.81/2.00  ----- Otter 3.3f, August 2004 -----
% 1.81/2.00  The process was started by sandbox on n021.cluster.edu,
% 1.81/2.00  Wed Jul 27 03:58:38 2022
% 1.81/2.00  The command was "./otter".  The process ID is 702.
% 1.81/2.00  
% 1.81/2.00  set(prolog_style_variables).
% 1.81/2.00  set(auto).
% 1.81/2.00     dependent: set(auto1).
% 1.81/2.00     dependent: set(process_input).
% 1.81/2.00     dependent: clear(print_kept).
% 1.81/2.00     dependent: clear(print_new_demod).
% 1.81/2.00     dependent: clear(print_back_demod).
% 1.81/2.00     dependent: clear(print_back_sub).
% 1.81/2.00     dependent: set(control_memory).
% 1.81/2.00     dependent: assign(max_mem, 12000).
% 1.81/2.00     dependent: assign(pick_given_ratio, 4).
% 1.81/2.00     dependent: assign(stats_level, 1).
% 1.81/2.00     dependent: assign(max_seconds, 10800).
% 1.81/2.00  clear(print_given).
% 1.81/2.00  
% 1.81/2.00  formula_list(usable).
% 1.81/2.00  all A (A=A).
% 1.81/2.00  all X Y (smaller_or_e_qual(X,Y)<->smaller(X,Y)|X=Y).
% 1.81/2.00  all X Y (greater_or_e_qual(X,Y)<->greater(X,Y)|X=Y).
% 1.81/2.00  all X Y (smaller(X,Y)<->greater(Y,X)).
% 1.81/2.00  all X Y (-(greater(X,Y)&greater(Y,X))).
% 1.81/2.00  all X Y Z (greater(X,Y)&greater(Y,Z)->greater(X,Z)).
% 1.81/2.00  all X Y (smaller(X,Y)|X=Y|greater(X,Y)).
% 1.81/2.00  all X (has_endowment(X)<-> (all T (organization(X)& (smaller_or_e_qual(age(X,T),eta)->has_immunity(X,T))& (greater(age(X,T),eta)-> -has_immunity(X,T))))).
% 1.81/2.00  all X T0 T (organization(X)&has_immunity(X,T0)&has_immunity(X,T)->hazard_of_mortality(X,T0)=hazard_of_mortality(X,T)).
% 1.81/2.00  all X T0 T (organization(X)&has_immunity(X,T0)& -has_immunity(X,T)->greater(hazard_of_mortality(X,T),hazard_of_mortality(X,T0))).
% 1.81/2.00  -(all X T0 T1 T2 (organization(X)&has_endowment(X)&age(X,T0)=zero&smaller_or_e_qual(age(X,T1),eta)&greater(age(X,T2),eta)&greater(eta,zero)->greater(hazard_of_mortality(X,T2),hazard_of_mortality(X,T1))&hazard_of_mortality(X,T1)=hazard_of_mortality(X,T0))).
% 1.81/2.00  end_of_list.
% 1.81/2.00  
% 1.81/2.00  -------> usable clausifies to:
% 1.81/2.00  
% 1.81/2.00  list(usable).
% 1.81/2.00  0 [] A=A.
% 1.81/2.00  0 [] -smaller_or_e_qual(X,Y)|smaller(X,Y)|X=Y.
% 1.81/2.00  0 [] smaller_or_e_qual(X,Y)| -smaller(X,Y).
% 1.81/2.00  0 [] smaller_or_e_qual(X,Y)|X!=Y.
% 1.81/2.00  0 [] -greater_or_e_qual(X,Y)|greater(X,Y)|X=Y.
% 1.81/2.00  0 [] greater_or_e_qual(X,Y)| -greater(X,Y).
% 1.81/2.00  0 [] greater_or_e_qual(X,Y)|X!=Y.
% 1.81/2.00  0 [] -smaller(X,Y)|greater(Y,X).
% 1.81/2.00  0 [] smaller(X,Y)| -greater(Y,X).
% 1.81/2.00  0 [] -greater(X,Y)| -greater(Y,X).
% 1.81/2.00  0 [] -greater(X,Y)| -greater(Y,Z)|greater(X,Z).
% 1.81/2.00  0 [] smaller(X,Y)|X=Y|greater(X,Y).
% 1.81/2.00  0 [] -has_endowment(X)|organization(X).
% 1.81/2.00  0 [] -has_endowment(X)| -smaller_or_e_qual(age(X,T),eta)|has_immunity(X,T).
% 1.81/2.00  0 [] -has_endowment(X)| -greater(age(X,T),eta)| -has_immunity(X,T).
% 1.81/2.00  0 [] has_endowment(X)| -organization(X)|smaller_or_e_qual(age(X,$f1(X)),eta)|greater(age(X,$f1(X)),eta).
% 1.81/2.00  0 [] has_endowment(X)| -organization(X)|smaller_or_e_qual(age(X,$f1(X)),eta)|has_immunity(X,$f1(X)).
% 1.81/2.00  0 [] has_endowment(X)| -organization(X)| -has_immunity(X,$f1(X))|greater(age(X,$f1(X)),eta).
% 1.81/2.00  0 [] -organization(X)| -has_immunity(X,T0)| -has_immunity(X,T)|hazard_of_mortality(X,T0)=hazard_of_mortality(X,T).
% 1.81/2.00  0 [] -organization(X)| -has_immunity(X,T0)|has_immunity(X,T)|greater(hazard_of_mortality(X,T),hazard_of_mortality(X,T0)).
% 1.81/2.00  0 [] organization($c4).
% 1.81/2.00  0 [] has_endowment($c4).
% 1.81/2.00  0 [] age($c4,$c3)=zero.
% 1.81/2.00  0 [] smaller_or_e_qual(age($c4,$c2),eta).
% 1.81/2.00  0 [] greater(age($c4,$c1),eta).
% 1.81/2.00  0 [] greater(eta,zero).
% 1.81/2.00  0 [] -greater(hazard_of_mortality($c4,$c1),hazard_of_mortality($c4,$c2))|hazard_of_mortality($c4,$c2)!=hazard_of_mortality($c4,$c3).
% 1.81/2.00  end_of_list.
% 1.81/2.00  
% 1.81/2.00  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=4.
% 1.81/2.00  
% 1.81/2.00  This ia a non-Horn set with equality.  The strategy will be
% 1.81/2.00  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 1.81/2.00  deletion, with positive clauses in sos and nonpositive
% 1.81/2.00  clauses in usable.
% 1.81/2.00  
% 1.81/2.00     dependent: set(knuth_bendix).
% 1.81/2.00     dependent: set(anl_eq).
% 1.81/2.00     dependent: set(para_from).
% 1.81/2.00     dependent: set(para_into).
% 1.81/2.00     dependent: clear(para_from_right).
% 1.81/2.00     dependent: clear(para_into_right).
% 1.81/2.00     dependent: set(para_from_vars).
% 1.81/2.00     dependent: set(eq_units_both_ways).
% 1.81/2.00     dependent: set(dynamic_demod_all).
% 1.81/2.00     dependent: set(dynamic_demod).
% 1.81/2.00     dependent: set(order_eq).
% 1.81/2.00     dependent: set(back_demod).
% 1.81/2.00     dependent: set(lrpo).
% 1.81/2.00     dependent: set(hyper_res).
% 1.81/2.00     dependent: set(unit_deletion).
% 1.81/2.00     dependent: set(factor).
% 1.81/2.00  
% 1.81/2.00  ------------> process usable:
% 1.81/2.00  ** KEPT (pick-wt=9): 1 [] -smaller_or_e_qual(A,B)|smaller(A,B)|A=B.
% 1.81/2.00  ** KEPT (pick-wt=6): 2 [] smaller_or_e_qual(A,B)| -smaller(A,B).
% 1.81/2.00  ** KEPT (pick-wt=6): 3 [] smaller_or_e_qual(A,B)|A!=B.
% 5.11/5.30  ** KEPT (pick-wt=9): 4 [] -greater_or_e_qual(A,B)|greater(A,B)|A=B.
% 5.11/5.30  ** KEPT (pick-wt=6): 5 [] greater_or_e_qual(A,B)| -greater(A,B).
% 5.11/5.30  ** KEPT (pick-wt=6): 6 [] greater_or_e_qual(A,B)|A!=B.
% 5.11/5.30  ** KEPT (pick-wt=6): 7 [] -smaller(A,B)|greater(B,A).
% 5.11/5.30  ** KEPT (pick-wt=6): 8 [] smaller(A,B)| -greater(B,A).
% 5.11/5.30  ** KEPT (pick-wt=6): 9 [] -greater(A,B)| -greater(B,A).
% 5.11/5.30  ** KEPT (pick-wt=9): 10 [] -greater(A,B)| -greater(B,C)|greater(A,C).
% 5.11/5.30  ** KEPT (pick-wt=4): 11 [] -has_endowment(A)|organization(A).
% 5.11/5.30  ** KEPT (pick-wt=10): 12 [] -has_endowment(A)| -smaller_or_e_qual(age(A,B),eta)|has_immunity(A,B).
% 5.11/5.30  ** KEPT (pick-wt=10): 13 [] -has_endowment(A)| -greater(age(A,B),eta)| -has_immunity(A,B).
% 5.11/5.30  ** KEPT (pick-wt=16): 14 [] has_endowment(A)| -organization(A)|smaller_or_e_qual(age(A,$f1(A)),eta)|greater(age(A,$f1(A)),eta).
% 5.11/5.30  ** KEPT (pick-wt=14): 15 [] has_endowment(A)| -organization(A)|smaller_or_e_qual(age(A,$f1(A)),eta)|has_immunity(A,$f1(A)).
% 5.11/5.30  ** KEPT (pick-wt=14): 16 [] has_endowment(A)| -organization(A)| -has_immunity(A,$f1(A))|greater(age(A,$f1(A)),eta).
% 5.11/5.30  ** KEPT (pick-wt=15): 17 [] -organization(A)| -has_immunity(A,B)| -has_immunity(A,C)|hazard_of_mortality(A,B)=hazard_of_mortality(A,C).
% 5.11/5.30  ** KEPT (pick-wt=15): 18 [] -organization(A)| -has_immunity(A,B)|has_immunity(A,C)|greater(hazard_of_mortality(A,C),hazard_of_mortality(A,B)).
% 5.11/5.30  ** KEPT (pick-wt=14): 20 [copy,19,flip.2] -greater(hazard_of_mortality($c4,$c1),hazard_of_mortality($c4,$c2))|hazard_of_mortality($c4,$c3)!=hazard_of_mortality($c4,$c2).
% 5.11/5.30  
% 5.11/5.30  ------------> process sos:
% 5.11/5.30  ** KEPT (pick-wt=3): 23 [] A=A.
% 5.11/5.30  ** KEPT (pick-wt=9): 24 [] smaller(A,B)|A=B|greater(A,B).
% 5.11/5.30  ** KEPT (pick-wt=2): 25 [] organization($c4).
% 5.11/5.30  ** KEPT (pick-wt=2): 26 [] has_endowment($c4).
% 5.11/5.30  ** KEPT (pick-wt=5): 27 [] age($c4,$c3)=zero.
% 5.11/5.30  ---> New Demodulator: 28 [new_demod,27] age($c4,$c3)=zero.
% 5.11/5.30  ** KEPT (pick-wt=5): 29 [] smaller_or_e_qual(age($c4,$c2),eta).
% 5.11/5.30  ** KEPT (pick-wt=5): 30 [] greater(age($c4,$c1),eta).
% 5.11/5.30  ** KEPT (pick-wt=3): 31 [] greater(eta,zero).
% 5.11/5.30    Following clause subsumed by 23 during input processing: 0 [copy,23,flip.1] A=A.
% 5.11/5.30  23 back subsumes 22.
% 5.11/5.30  >>>> Starting back demodulation with 28.
% 5.11/5.30  
% 5.11/5.30  ======= end of input processing =======
% 5.11/5.30  
% 5.11/5.30  =========== start of search ===========
% 5.11/5.30  
% 5.11/5.30  
% 5.11/5.30  Resetting weight limit to 11.
% 5.11/5.30  
% 5.11/5.30  
% 5.11/5.30  Resetting weight limit to 11.
% 5.11/5.30  
% 5.11/5.30  sos_size=3115
% 5.11/5.30  
% 5.11/5.30  -------- PROOF -------- 
% 5.11/5.30  
% 5.11/5.30  -----> EMPTY CLAUSE at   3.30 sec ----> 4446 [hyper,132,13,477,30,unit_del,142,21,21] $F.
% 5.11/5.30  
% 5.11/5.30  Length of proof is 11.  Level of proof is 5.
% 5.11/5.30  
% 5.11/5.30  ---------------- PROOF ----------------
% 5.11/5.30  % SZS status Theorem
% 5.11/5.30  % SZS output start Refutation
% See solution above
% 5.11/5.30  ------------ end of proof -------------
% 5.11/5.30  
% 5.11/5.30  
% 5.11/5.30  Search stopped by max_proofs option.
% 5.11/5.30  
% 5.11/5.30  
% 5.11/5.30  Search stopped by max_proofs option.
% 5.11/5.30  
% 5.11/5.30  ============ end of search ============
% 5.11/5.30  
% 5.11/5.30  -------------- statistics -------------
% 5.11/5.30  clauses given                251
% 5.11/5.30  clauses generated          24030
% 5.11/5.30  clauses kept                4442
% 5.11/5.30  clauses forward subsumed    5522
% 5.11/5.30  clauses back subsumed       1024
% 5.11/5.30  Kbytes malloced             4882
% 5.11/5.30  
% 5.11/5.30  ----------- times (seconds) -----------
% 5.11/5.30  user CPU time          3.30          (0 hr, 0 min, 3 sec)
% 5.11/5.30  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 5.11/5.30  wall-clock time        5             (0 hr, 0 min, 5 sec)
% 5.11/5.30  
% 5.11/5.30  That finishes the proof of the theorem.
% 5.11/5.30  
% 5.11/5.30  Process 702 finished Wed Jul 27 03:58:43 2022
% 5.11/5.30  Otter interrupted
% 5.11/5.30  PROOF FOUND
%------------------------------------------------------------------------------