TSTP Solution File: FLD025-3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : FLD025-3 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n027.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 02:28:21 EDT 2022

% Result   : Unsatisfiable 0.46s 0.63s
% Output   : Refutation 0.46s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :   10
% Syntax   : Number of clauses     :   23 (   9 unt;   0 nHn;  23 RR)
%            Number of literals    :   45 (   0 equ;  27 neg)
%            Maximal clause size   :    4 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-3 aty)
%            Number of functors    :   12 (  12 usr;  11 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    defined(a),
    file('FLD025-3.p',unknown),
    [] ).

cnf(3,axiom,
    defined(c),
    file('FLD025-3.p',unknown),
    [] ).

cnf(5,axiom,
    product(multiplicative_identity,a,b),
    file('FLD025-3.p',unknown),
    [] ).

cnf(6,axiom,
    product(multiplicative_identity,c,d),
    file('FLD025-3.p',unknown),
    [] ).

cnf(7,axiom,
    ~ product(d,b,multiply(a,c)),
    file('FLD025-3.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ product(u,v,w)
    | ~ product(x,v,y)
    | ~ product(z,x,u)
    | product(z,y,w) ),
    file('FLD025-3.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ defined(u)
    | product(multiplicative_identity,u,u) ),
    file('FLD025-3.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ product(u,v,w)
    | product(v,u,w) ),
    file('FLD025-3.p',unknown),
    [] ).

cnf(24,axiom,
    defined(multiplicative_identity),
    file('FLD025-3.p',unknown),
    [] ).

cnf(27,axiom,
    ( ~ defined(u)
    | ~ defined(v)
    | product(v,u,multiply(v,u)) ),
    file('FLD025-3.p',unknown),
    [] ).

cnf(38,plain,
    ( ~ product(u,c,v)
    | ~ product(w,multiplicative_identity,u)
    | product(w,d,v) ),
    inference(res,[status(thm),theory(equality)],[6,13]),
    [iquote('0:Res:6.0,13.1')] ).

cnf(62,plain,
    ( ~ product(u,v,b)
    | ~ product(w,v,multiply(a,c))
    | ~ product(d,u,w) ),
    inference(res,[status(thm),theory(equality)],[13,7]),
    [iquote('0:Res:13.3,7.0')] ).

cnf(75,plain,
    ( ~ product(u,a,multiply(a,c))
    | ~ product(d,multiplicative_identity,u) ),
    inference(res,[status(thm),theory(equality)],[5,62]),
    [iquote('0:Res:5.0,62.1')] ).

cnf(95,plain,
    ( ~ defined(u)
    | product(u,multiplicative_identity,u) ),
    inference(res,[status(thm),theory(equality)],[15,17]),
    [iquote('0:Res:15.1,17.0')] ).

cnf(115,plain,
    ( ~ defined(u)
    | ~ defined(v)
    | product(u,v,multiply(v,u)) ),
    inference(res,[status(thm),theory(equality)],[27,17]),
    [iquote('0:Res:27.2,17.0')] ).

cnf(118,plain,
    ( ~ defined(c)
    | ~ defined(a)
    | ~ product(d,multiplicative_identity,c) ),
    inference(res,[status(thm),theory(equality)],[115,75]),
    [iquote('0:Res:115.2,75.0')] ).

cnf(119,plain,
    ~ product(d,multiplicative_identity,c),
    inference(ssi,[status(thm)],[118,1,3]),
    [iquote('0:SSi:118.1,118.0,1.0,3.0')] ).

cnf(655,plain,
    ( ~ defined(c)
    | ~ product(u,multiplicative_identity,multiplicative_identity)
    | product(u,d,c) ),
    inference(res,[status(thm),theory(equality)],[15,38]),
    [iquote('0:Res:15.1,38.0')] ).

cnf(662,plain,
    ( ~ product(u,multiplicative_identity,multiplicative_identity)
    | product(u,d,c) ),
    inference(ssi,[status(thm)],[655,3]),
    [iquote('0:SSi:655.0,3.0')] ).

cnf(852,plain,
    ( ~ product(u,multiplicative_identity,multiplicative_identity)
    | product(d,u,c) ),
    inference(res,[status(thm),theory(equality)],[662,17]),
    [iquote('0:Res:662.1,17.0')] ).

cnf(1157,plain,
    ( ~ defined(multiplicative_identity)
    | product(d,multiplicative_identity,c) ),
    inference(res,[status(thm),theory(equality)],[95,852]),
    [iquote('0:Res:95.1,852.0')] ).

cnf(1160,plain,
    product(d,multiplicative_identity,c),
    inference(ssi,[status(thm)],[1157,24]),
    [iquote('0:SSi:1157.0,24.0')] ).

cnf(1161,plain,
    $false,
    inference(mrr,[status(thm)],[1160,119]),
    [iquote('0:MRR:1160.0,119.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.12  % Problem  : FLD025-3 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.08/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n027.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  : 600
% 0.13/0.34  % DateTime : Tue Jun  7 01:19:10 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 0.46/0.63  
% 0.46/0.63  SPASS V 3.9 
% 0.46/0.63  SPASS beiseite: Proof found.
% 0.46/0.63  % SZS status Theorem
% 0.46/0.63  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.46/0.63  SPASS derived 906 clauses, backtracked 0 clauses, performed 2 splits and kept 696 clauses.
% 0.46/0.63  SPASS allocated 76574 KBytes.
% 0.46/0.63  SPASS spent	0:00:00.27 on the problem.
% 0.46/0.63  		0:00:00.04 for the input.
% 0.46/0.63  		0:00:00.00 for the FLOTTER CNF translation.
% 0.46/0.63  		0:00:00.01 for inferences.
% 0.46/0.63  		0:00:00.00 for the backtracking.
% 0.46/0.63  		0:00:00.19 for the reduction.
% 0.46/0.63  
% 0.46/0.63  
% 0.46/0.63  Here is a proof with depth 4, length 23 :
% 0.46/0.63  % SZS output start Refutation
% See solution above
% 0.46/0.63  Formulae used in the proof : a_is_defined c_is_defined product_5 product_6 not_product_7 associativity_multiplication_1 existence_of_identity_multiplication commutativity_multiplication well_definedness_of_multiplicative_identity totality_of_multiplication
% 0.46/0.63  
%------------------------------------------------------------------------------