TSTP Solution File: BOO013-3 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : BOO013-3 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n023.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 : Thu Jul 14 23:49:26 EDT 2022

% Result   : Unsatisfiable 12.03s 12.24s
% Output   : Refutation 12.03s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    8
%            Number of leaves      :   13
% Syntax   : Number of clauses     :   32 (  19 unt;   0 nHn;  32 RR)
%            Number of literals    :   55 (   0 equ;  28 neg)
%            Maximal clause size   :    5 (   1 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :   13 (  13 usr;  12 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(2,axiom,
    sum__dfg(x__dfg,y__dfg,multiplicative_identity),
    file('BOO013-3.p',unknown),
    [] ).

cnf(3,axiom,
    sum__dfg(x__dfg,z__dfg,multiplicative_identity),
    file('BOO013-3.p',unknown),
    [] ).

cnf(4,axiom,
    product(x__dfg,y__dfg,additive_identity),
    file('BOO013-3.p',unknown),
    [] ).

cnf(5,axiom,
    product(x__dfg,z__dfg,additive_identity),
    file('BOO013-3.p',unknown),
    [] ).

cnf(6,axiom,
    ~ equal(z__dfg,y__dfg),
    file('BOO013-3.p',unknown),
    [] ).

cnf(8,axiom,
    product(u,v,multiply(u,v)),
    file('BOO013-3.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ sum__dfg(u,v,w)
    | sum__dfg(v,u,w) ),
    file('BOO013-3.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ product(u,v,w)
    | product(v,u,w) ),
    file('BOO013-3.p',unknown),
    [] ).

cnf(11,axiom,
    sum__dfg(additive_identity,u,u),
    file('BOO013-3.p',unknown),
    [] ).

cnf(12,axiom,
    sum__dfg(u,additive_identity,u),
    file('BOO013-3.p',unknown),
    [] ).

cnf(13,axiom,
    product(multiplicative_identity,u,u),
    file('BOO013-3.p',unknown),
    [] ).

cnf(18,axiom,
    ( ~ sum__dfg(u,v,w)
    | ~ sum__dfg(x,y,z)
    | ~ product(y,x1,v)
    | ~ product(x,x1,u)
    | product(z,x1,w) ),
    file('BOO013-3.p',unknown),
    [] ).

cnf(28,axiom,
    ( ~ product(u,v,w)
    | ~ product(u,v,x)
    | equal(x,w) ),
    file('BOO013-3.p',unknown),
    [] ).

cnf(30,plain,
    ( ~ product(u,v,y__dfg)
    | ~ product(u,v,z__dfg) ),
    inference(res,[status(thm),theory(equality)],[28,6]),
    [iquote('0:Res:28.2,6.0')] ).

cnf(66,plain,
    ( ~ sum__dfg(u,additive_identity,v)
    | ~ sum__dfg(w,x__dfg,x)
    | ~ product(w,y__dfg,u)
    | product(x,y__dfg,v) ),
    inference(res,[status(thm),theory(equality)],[4,18]),
    [iquote('0:Res:4.0,18.1')] ).

cnf(87,plain,
    product(u,v,multiply(v,u)),
    inference(res,[status(thm),theory(equality)],[8,10]),
    [iquote('0:Res:8.0,10.0')] ).

cnf(99,plain,
    sum__dfg(z__dfg,x__dfg,multiplicative_identity),
    inference(res,[status(thm),theory(equality)],[3,9]),
    [iquote('0:Res:3.0,9.0')] ).

cnf(120,plain,
    ( ~ product(multiplicative_identity,u,v)
    | equal(v,u) ),
    inference(res,[status(thm),theory(equality)],[13,28]),
    [iquote('0:Res:13.0,28.0')] ).

cnf(122,plain,
    ( ~ product(u,v,w)
    | equal(w,multiply(u,v)) ),
    inference(res,[status(thm),theory(equality)],[8,28]),
    [iquote('0:Res:8.0,28.0')] ).

cnf(171,plain,
    ( ~ sum__dfg(u,v,w)
    | ~ product(v,x,y)
    | ~ product(u,x,additive_identity)
    | product(w,x,y) ),
    inference(res,[status(thm),theory(equality)],[11,18]),
    [iquote('0:Res:11.0,18.0')] ).

cnf(327,plain,
    ~ product(multiplicative_identity,z__dfg,y__dfg),
    inference(res,[status(thm),theory(equality)],[13,30]),
    [iquote('0:Res:13.0,30.1')] ).

cnf(350,plain,
    equal(multiply(u,v),multiply(v,u)),
    inference(res,[status(thm),theory(equality)],[87,122]),
    [iquote('0:Res:87.0,122.0')] ).

cnf(923,plain,
    ( ~ sum__dfg(u,x__dfg,v)
    | ~ product(u,y__dfg,w)
    | product(v,y__dfg,w) ),
    inference(res,[status(thm),theory(equality)],[12,66]),
    [iquote('0:Res:12.0,66.0')] ).

cnf(4462,plain,
    ( ~ product(y__dfg,u,v)
    | ~ product(x__dfg,u,additive_identity)
    | product(multiplicative_identity,u,v) ),
    inference(res,[status(thm),theory(equality)],[2,171]),
    [iquote('0:Res:2.0,171.0')] ).

cnf(15201,plain,
    ( ~ product(y__dfg,z__dfg,y__dfg)
    | ~ product(x__dfg,z__dfg,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[4462,327]),
    [iquote('0:Res:4462.2,327.0')] ).

cnf(15213,plain,
    ~ product(y__dfg,z__dfg,y__dfg),
    inference(mrr,[status(thm)],[15201,5]),
    [iquote('0:MRR:15201.1,5.0')] ).

cnf(16934,plain,
    ( ~ product(z__dfg,y__dfg,u)
    | product(multiplicative_identity,y__dfg,u) ),
    inference(res,[status(thm),theory(equality)],[99,923]),
    [iquote('0:Res:99.0,923.0')] ).

cnf(16969,plain,
    product(multiplicative_identity,y__dfg,multiply(z__dfg,y__dfg)),
    inference(res,[status(thm),theory(equality)],[8,16934]),
    [iquote('0:Res:8.0,16934.0')] ).

cnf(16981,plain,
    product(multiplicative_identity,y__dfg,multiply(y__dfg,z__dfg)),
    inference(rew,[status(thm),theory(equality)],[350,16969]),
    [iquote('0:Rew:350.0,16969.0')] ).

cnf(17016,plain,
    equal(multiply(y__dfg,z__dfg),y__dfg),
    inference(res,[status(thm),theory(equality)],[16981,120]),
    [iquote('0:Res:16981.0,120.0')] ).

cnf(17049,plain,
    product(y__dfg,z__dfg,y__dfg),
    inference(spr,[status(thm),theory(equality)],[17016,8]),
    [iquote('0:SpR:17016.0,8.0')] ).

cnf(17052,plain,
    $false,
    inference(mrr,[status(thm)],[17049,15213]),
    [iquote('0:MRR:17049.0,15213.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : BOO013-3 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n023.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 : Wed Jun  1 23:45:56 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 12.03/12.24  
% 12.03/12.24  SPASS V 3.9 
% 12.03/12.24  SPASS beiseite: Proof found.
% 12.03/12.24  % SZS status Theorem
% 12.03/12.24  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 12.03/12.24  SPASS derived 13396 clauses, backtracked 0 clauses, performed 0 splits and kept 7181 clauses.
% 12.03/12.24  SPASS allocated 73995 KBytes.
% 12.03/12.24  SPASS spent	0:0:11.83 on the problem.
% 12.03/12.24  		0:00:00.03 for the input.
% 12.03/12.24  		0:00:00.00 for the FLOTTER CNF translation.
% 12.03/12.24  		0:00:00.16 for inferences.
% 12.03/12.24  		0:00:00.00 for the backtracking.
% 12.03/12.24  		0:0:11.54 for the reduction.
% 12.03/12.24  
% 12.03/12.24  
% 12.03/12.24  Here is a proof with depth 6, length 32 :
% 12.03/12.24  % SZS output start Refutation
% See solution above
% 12.03/12.24  Formulae used in the proof : sum_to_multiplicative_identity1 sum_to_multiplicative_identity2 product_to_additive_identity1 product_to_additive_identity2 prove_both_inverse_are_equal closure_of_multiplication commutativity_of_addition commutativity_of_multiplication additive_identity1 additive_identity2 multiplicative_identity1 distributivity4 multiplication_is_well_defined
% 12.03/12.24  
%------------------------------------------------------------------------------