TSTP Solution File: FLD029-3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : FLD029-3 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n018.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  : 600s
% DateTime : Sat Jul 16 02:28:23 EDT 2022

% Result   : Unsatisfiable 2.73s 2.95s
% Output   : Refutation 2.73s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   13
% Syntax   : Number of clauses     :   33 (  14 unt;   2 nHn;  33 RR)
%            Number of literals    :   64 (   0 equ;  35 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :   14 (  14 usr;  12 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    defined(a),
    file('FLD029-3.p',unknown),
    [] ).

cnf(2,axiom,
    defined(b),
    file('FLD029-3.p',unknown),
    [] ).

cnf(4,axiom,
    defined(v__dfg),
    file('FLD029-3.p',unknown),
    [] ).

cnf(5,axiom,
    ~ sum__dfg(additive_identity,b,additive_identity),
    file('FLD029-3.p',unknown),
    [] ).

cnf(6,axiom,
    product(a,u__dfg,b),
    file('FLD029-3.p',unknown),
    [] ).

cnf(7,axiom,
    product(a,v__dfg,b),
    file('FLD029-3.p',unknown),
    [] ).

cnf(8,axiom,
    ~ product(multiplicative_identity,u__dfg,v__dfg),
    file('FLD029-3.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ product(u,v,w)
    | ~ product(x,y,v)
    | ~ product(u,x,z)
    | product(z,y,w) ),
    file('FLD029-3.p',unknown),
    [] ).

cnf(16,axiom,
    ( ~ defined(u)
    | product(multiplicative_identity,u,u) ),
    file('FLD029-3.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ defined(u)
    | sum__dfg(additive_identity,u,additive_identity)
    | product(multiplicative_inverse(u),u,multiplicative_identity) ),
    file('FLD029-3.p',unknown),
    [] ).

cnf(18,axiom,
    ( ~ product(u,v,w)
    | product(v,u,w) ),
    file('FLD029-3.p',unknown),
    [] ).

cnf(26,axiom,
    ( ~ defined(u)
    | defined(multiplicative_inverse(u))
    | sum__dfg(additive_identity,u,additive_identity) ),
    file('FLD029-3.p',unknown),
    [] ).

cnf(28,axiom,
    ( ~ defined(u)
    | ~ defined(v)
    | product(v,u,multiply(v,u)) ),
    file('FLD029-3.p',unknown),
    [] ).

cnf(41,plain,
    ( ~ product(u,b,v)
    | ~ product(u,a,w)
    | product(w,v__dfg,v) ),
    inference(res,[status(thm),theory(equality)],[7,15]),
    [iquote('0:Res:7.0,15.1')] ).

cnf(54,plain,
    ( ~ product(u,b,v)
    | ~ product(u,a,w)
    | product(w,u__dfg,v) ),
    inference(res,[status(thm),theory(equality)],[6,15]),
    [iquote('0:Res:6.0,15.1')] ).

cnf(63,plain,
    ( ~ product(u,v,v__dfg)
    | ~ product(u,w,multiplicative_identity)
    | ~ product(w,u__dfg,v) ),
    inference(res,[status(thm),theory(equality)],[15,8]),
    [iquote('0:Res:15.3,8.0')] ).

cnf(65,plain,
    ( ~ defined(b)
    | product(multiplicative_inverse(b),b,multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[17,5]),
    [iquote('0:Res:17.2,5.0')] ).

cnf(66,plain,
    ( ~ defined(b)
    | defined(multiplicative_inverse(b)) ),
    inference(res,[status(thm),theory(equality)],[26,5]),
    [iquote('0:Res:26.2,5.0')] ).

cnf(72,plain,
    defined(multiplicative_inverse(b)),
    inference(mrr,[status(thm)],[66,2]),
    [iquote('0:MRR:66.0,2.0')] ).

cnf(73,plain,
    product(multiplicative_inverse(b),b,multiplicative_identity),
    inference(mrr,[status(thm)],[65,2]),
    [iquote('0:MRR:65.0,2.0')] ).

cnf(94,plain,
    ( ~ defined(u)
    | product(u,multiplicative_identity,u) ),
    inference(res,[status(thm),theory(equality)],[16,18]),
    [iquote('0:Res:16.1,18.0')] ).

cnf(104,plain,
    ( ~ defined(u)
    | ~ defined(v)
    | product(u,v,multiply(v,u)) ),
    inference(res,[status(thm),theory(equality)],[28,18]),
    [iquote('0:Res:28.2,18.0')] ).

cnf(472,plain,
    ( ~ product(multiplicative_inverse(b),a,u)
    | product(u,u__dfg,multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[73,54]),
    [iquote('0:Res:73.0,54.0')] ).

cnf(559,plain,
    ( ~ product(multiplicative_inverse(b),a,u)
    | product(u,v__dfg,multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[73,41]),
    [iquote('0:Res:73.0,41.0')] ).

cnf(890,plain,
    ( ~ defined(v__dfg)
    | ~ product(v__dfg,u,multiplicative_identity)
    | ~ product(u,u__dfg,multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[94,63]),
    [iquote('0:Res:94.1,63.0')] ).

cnf(894,plain,
    ( ~ product(v__dfg,u,multiplicative_identity)
    | ~ product(u,u__dfg,multiplicative_identity) ),
    inference(ssi,[status(thm)],[890,4]),
    [iquote('0:SSi:890.0,4.0')] ).

cnf(6396,plain,
    ( ~ defined(multiplicative_inverse(b))
    | ~ defined(a)
    | product(multiply(a,multiplicative_inverse(b)),u__dfg,multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[104,472]),
    [iquote('0:Res:104.2,472.0')] ).

cnf(6400,plain,
    product(multiply(a,multiplicative_inverse(b)),u__dfg,multiplicative_identity),
    inference(ssi,[status(thm)],[6396,1,72]),
    [iquote('0:SSi:6396.1,6396.0,1.0,72.0')] ).

cnf(6506,plain,
    ( ~ defined(multiplicative_inverse(b))
    | ~ defined(a)
    | product(multiply(a,multiplicative_inverse(b)),v__dfg,multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[104,559]),
    [iquote('0:Res:104.2,559.0')] ).

cnf(6510,plain,
    product(multiply(a,multiplicative_inverse(b)),v__dfg,multiplicative_identity),
    inference(ssi,[status(thm)],[6506,1,72]),
    [iquote('0:SSi:6506.1,6506.0,1.0,72.0')] ).

cnf(6598,plain,
    product(v__dfg,multiply(a,multiplicative_inverse(b)),multiplicative_identity),
    inference(res,[status(thm),theory(equality)],[6510,18]),
    [iquote('0:Res:6510.0,18.0')] ).

cnf(6957,plain,
    ~ product(multiply(a,multiplicative_inverse(b)),u__dfg,multiplicative_identity),
    inference(res,[status(thm),theory(equality)],[6598,894]),
    [iquote('0:Res:6598.0,894.0')] ).

cnf(6959,plain,
    $false,
    inference(mrr,[status(thm)],[6957,6400]),
    [iquote('0:MRR:6957.0,6400.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.11  % Problem  : FLD029-3 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.03/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n018.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  : 600
% 0.12/0.33  % DateTime : Mon Jun  6 18:41:05 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 2.73/2.95  
% 2.73/2.95  SPASS V 3.9 
% 2.73/2.95  SPASS beiseite: Proof found.
% 2.73/2.95  % SZS status Theorem
% 2.73/2.95  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 2.73/2.95  SPASS derived 5017 clauses, backtracked 0 clauses, performed 3 splits and kept 3680 clauses.
% 2.73/2.95  SPASS allocated 80881 KBytes.
% 2.73/2.95  SPASS spent	0:00:02.57 on the problem.
% 2.73/2.95  		0:00:00.04 for the input.
% 2.73/2.95  		0:00:00.00 for the FLOTTER CNF translation.
% 2.73/2.95  		0:00:00.05 for inferences.
% 2.73/2.95  		0:00:00.12 for the backtracking.
% 2.73/2.95  		0:00:02.31 for the reduction.
% 2.73/2.95  
% 2.73/2.95  
% 2.73/2.95  Here is a proof with depth 5, length 33 :
% 2.73/2.95  % SZS output start Refutation
% See solution above
% 2.73/2.95  Formulae used in the proof : a_is_defined b_is_defined v_is_defined not_sum_5 product_6 product_7 not_product_8 associativity_multiplication_2 existence_of_identity_multiplication existence_of_inverse_multiplication commutativity_multiplication well_definedness_of_multiplicative_inverse totality_of_multiplication
% 2.73/2.95  
%------------------------------------------------------------------------------