TSTP Solution File: FLD026-3 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : FLD026-3 : TPTP v8.1.0. Bugfixed v2.1.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n022.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 02:28:22 EDT 2022

% Result   : Unsatisfiable 15.43s 15.71s
% Output   : Refutation 15.83s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   29
%            Number of leaves      :   23
% Syntax   : Number of clauses     :  133 (  39 unt;  12 nHn; 133 RR)
%            Number of literals    :  306 (   0 equ; 175 neg)
%            Maximal clause size   :    5 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :   14 (  14 usr;  11 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    defined(a),
    file('FLD026-3.p',unknown),
    [] ).

cnf(2,axiom,
    defined(b),
    file('FLD026-3.p',unknown),
    [] ).

cnf(3,axiom,
    ~ sum__dfg(additive_identity,a,additive_identity),
    file('FLD026-3.p',unknown),
    [] ).

cnf(4,axiom,
    product(multiplicative_identity,a,b),
    file('FLD026-3.p',unknown),
    [] ).

cnf(5,axiom,
    ~ product(multiplicative_identity,multiplicative_inverse(a),multiplicative_inverse(b)),
    file('FLD026-3.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ sum__dfg(u,v,w)
    | ~ sum__dfg(x,v,y)
    | ~ sum__dfg(z,x,u)
    | sum__dfg(z,y,w) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ defined(u)
    | sum__dfg(additive_identity,u,u) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ defined(u)
    | sum__dfg(additive_inverse(u),u,additive_identity) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ sum__dfg(u,v,w)
    | sum__dfg(v,u,w) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ product(u,v,w)
    | ~ product(x,v,y)
    | ~ product(z,x,u)
    | product(z,y,w) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ product(u,v,w)
    | ~ product(x,y,v)
    | ~ product(u,x,z)
    | product(z,y,w) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ defined(u)
    | product(multiplicative_identity,u,u) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ defined(u)
    | sum__dfg(additive_identity,u,additive_identity)
    | product(multiplicative_inverse(u),u,multiplicative_identity) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ product(u,v,w)
    | product(v,u,w) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(16,axiom,
    ( ~ product(u,v,w)
    | ~ product(x,v,y)
    | ~ product(z,v,x1)
    | ~ sum__dfg(x,u,z)
    | sum__dfg(y,w,x1) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ sum__dfg(u,v,w)
    | ~ product(x,y,v)
    | ~ product(z,y,u)
    | ~ sum__dfg(z,x,x1)
    | product(x1,y,w) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(19,axiom,
    defined(additive_identity),
    file('FLD026-3.p',unknown),
    [] ).

cnf(20,axiom,
    ( ~ defined(u)
    | defined(additive_inverse(u)) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(21,axiom,
    ( ~ defined(u)
    | ~ defined(v)
    | defined(multiply(v,u)) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(22,axiom,
    defined(multiplicative_identity),
    file('FLD026-3.p',unknown),
    [] ).

cnf(23,axiom,
    ( ~ defined(u)
    | defined(multiplicative_inverse(u))
    | sum__dfg(additive_identity,u,additive_identity) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(25,axiom,
    ( ~ defined(u)
    | ~ defined(v)
    | product(v,u,multiply(v,u)) ),
    file('FLD026-3.p',unknown),
    [] ).

cnf(31,axiom,
    ~ sum__dfg(additive_identity,additive_identity,multiplicative_identity),
    file('FLD026-3.p',unknown),
    [] ).

cnf(33,plain,
    ( ~ product(b,u,v)
    | ~ product(a,u,w)
    | product(multiplicative_identity,w,v) ),
    inference(res,[status(thm),theory(equality)],[4,11]),
    [iquote('0:Res:4.0,11.0')] ).

cnf(34,plain,
    ( ~ product(multiplicative_identity,u,v)
    | ~ product(a,w,u)
    | product(b,w,v) ),
    inference(res,[status(thm),theory(equality)],[4,12]),
    [iquote('0:Res:4.0,12.0')] ).

cnf(36,plain,
    ( ~ product(u,v,a)
    | ~ product(multiplicative_identity,u,w)
    | product(w,v,b) ),
    inference(res,[status(thm),theory(equality)],[4,12]),
    [iquote('0:Res:4.0,12.2')] ).

cnf(37,plain,
    ( ~ product(u,a,v)
    | ~ product(w,multiplicative_identity,u)
    | product(w,b,v) ),
    inference(res,[status(thm),theory(equality)],[4,11]),
    [iquote('0:Res:4.0,11.1')] ).

cnf(41,plain,
    ( ~ product(u,v,multiplicative_identity)
    | ~ product(v,a,w)
    | product(u,w,b) ),
    inference(res,[status(thm),theory(equality)],[4,11]),
    [iquote('0:Res:4.0,11.2')] ).

cnf(45,plain,
    ( ~ defined(a)
    | product(multiplicative_inverse(a),a,multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[14,3]),
    [iquote('0:Res:14.2,3.0')] ).

cnf(51,plain,
    ( ~ sum__dfg(u,v,w)
    | ~ product(v,x,a)
    | ~ product(u,x,additive_identity)
    | ~ product(w,x,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[16,3]),
    [iquote('0:Res:16.4,3.0')] ).

cnf(54,plain,
    ( ~ product(u,v,multiplicative_identity)
    | ~ product(u,w,multiplicative_inverse(b))
    | ~ product(v,multiplicative_inverse(a),w) ),
    inference(res,[status(thm),theory(equality)],[12,5]),
    [iquote('0:Res:12.3,5.0')] ).

cnf(57,plain,
    product(multiplicative_inverse(a),a,multiplicative_identity),
    inference(mrr,[status(thm)],[45,1]),
    [iquote('0:MRR:45.0,1.0')] ).

cnf(59,plain,
    ( ~ product(a,u,a)
    | product(b,u,b) ),
    inference(res,[status(thm),theory(equality)],[4,36]),
    [iquote('0:Res:4.0,36.0')] ).

cnf(63,plain,
    ( ~ product(u,multiplicative_identity,multiplicative_identity)
    | product(u,b,b) ),
    inference(res,[status(thm),theory(equality)],[4,41]),
    [iquote('0:Res:4.0,41.1')] ).

cnf(80,plain,
    ( ~ defined(u)
    | sum__dfg(u,additive_identity,u) ),
    inference(res,[status(thm),theory(equality)],[8,10]),
    [iquote('0:Res:8.1,10.0')] ).

cnf(86,plain,
    ( ~ product(u,multiplicative_identity,multiplicative_identity)
    | product(b,u,b) ),
    inference(res,[status(thm),theory(equality)],[63,15]),
    [iquote('0:Res:63.1,15.0')] ).

cnf(87,plain,
    product(a,multiplicative_inverse(a),multiplicative_identity),
    inference(res,[status(thm),theory(equality)],[57,15]),
    [iquote('0:Res:57.0,15.0')] ).

cnf(88,plain,
    ( ~ defined(u)
    | product(u,multiplicative_identity,u) ),
    inference(res,[status(thm),theory(equality)],[13,15]),
    [iquote('0:Res:13.1,15.0')] ).

cnf(92,plain,
    ( ~ defined(a)
    | product(b,multiplicative_identity,b) ),
    inference(res,[status(thm),theory(equality)],[88,59]),
    [iquote('0:Res:88.1,59.0')] ).

cnf(94,plain,
    product(b,multiplicative_identity,b),
    inference(ssi,[status(thm)],[92,1]),
    [iquote('0:SSi:92.0,1.0')] ).

cnf(101,plain,
    ( ~ defined(multiplicative_identity)
    | sum__dfg(additive_identity,multiplicative_identity,additive_identity)
    | product(b,multiplicative_inverse(multiplicative_identity),b) ),
    inference(res,[status(thm),theory(equality)],[14,86]),
    [iquote('0:Res:14.2,86.0')] ).

cnf(103,plain,
    ( sum__dfg(additive_identity,multiplicative_identity,additive_identity)
    | product(b,multiplicative_inverse(multiplicative_identity),b) ),
    inference(ssi,[status(thm)],[101,22]),
    [iquote('0:SSi:101.0,22.0')] ).

cnf(108,plain,
    ( ~ defined(u)
    | ~ defined(v)
    | product(u,v,multiply(v,u)) ),
    inference(res,[status(thm),theory(equality)],[25,15]),
    [iquote('0:Res:25.2,15.0')] ).

cnf(130,plain,
    ( ~ defined(u)
    | ~ sum__dfg(v,u,w)
    | ~ sum__dfg(x,v,additive_identity)
    | sum__dfg(x,w,u) ),
    inference(res,[status(thm),theory(equality)],[8,6]),
    [iquote('0:Res:8.1,6.0')] ).

cnf(157,plain,
    ( ~ defined(u)
    | ~ product(v,w,u)
    | ~ product(multiplicative_identity,v,x)
    | product(x,w,u) ),
    inference(res,[status(thm),theory(equality)],[13,12]),
    [iquote('0:Res:13.1,12.0')] ).

cnf(187,plain,
    ( ~ defined(u)
    | ~ product(v,u,w)
    | ~ product(x,v,multiplicative_identity)
    | product(x,w,u) ),
    inference(res,[status(thm),theory(equality)],[13,11]),
    [iquote('0:Res:13.1,11.0')] ).

cnf(189,plain,
    ( ~ defined(u)
    | ~ product(v,u,w)
    | ~ product(x,v,multiplicative_inverse(u))
    | sum__dfg(additive_identity,u,additive_identity)
    | product(x,w,multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[14,11]),
    [iquote('0:Res:14.2,11.0')] ).

cnf(305,plain,
    ( ~ defined(u)
    | ~ product(v,w,u)
    | ~ product(x,w,additive_inverse(u))
    | ~ sum__dfg(x,v,y)
    | product(y,w,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[9,17]),
    [iquote('0:Res:9.1,17.0')] ).

cnf(346,plain,
    ( ~ defined(u)
    | ~ product(a,v,u)
    | product(b,v,u) ),
    inference(res,[status(thm),theory(equality)],[13,34]),
    [iquote('0:Res:13.1,34.0')] ).

cnf(373,plain,
    ( ~ defined(multiplicative_identity)
    | product(b,multiplicative_inverse(a),multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[87,346]),
    [iquote('0:Res:87.0,346.1')] ).

cnf(376,plain,
    ( ~ defined(a)
    | ~ defined(a)
    | product(b,multiplicative_identity,a) ),
    inference(res,[status(thm),theory(equality)],[88,346]),
    [iquote('0:Res:88.1,346.1')] ).

cnf(380,plain,
    product(b,multiplicative_inverse(a),multiplicative_identity),
    inference(ssi,[status(thm)],[373,22]),
    [iquote('0:SSi:373.0,22.0')] ).

cnf(381,plain,
    ( ~ defined(a)
    | product(b,multiplicative_identity,a) ),
    inference(obv,[status(thm),theory(equality)],[376]),
    [iquote('0:Obv:376.0')] ).

cnf(382,plain,
    product(b,multiplicative_identity,a),
    inference(ssi,[status(thm)],[381,1]),
    [iquote('0:SSi:381.0,1.0')] ).

cnf(436,plain,
    ( ~ product(a,multiplicative_inverse(multiplicative_identity),u)
    | sum__dfg(additive_identity,multiplicative_identity,additive_identity)
    | product(multiplicative_identity,u,b) ),
    inference(res,[status(thm),theory(equality)],[103,33]),
    [iquote('0:Res:103.1,33.0')] ).

cnf(511,plain,
    ( ~ defined(a)
    | ~ product(u,multiplicative_identity,multiplicative_identity)
    | product(u,b,a) ),
    inference(res,[status(thm),theory(equality)],[13,37]),
    [iquote('0:Res:13.1,37.0')] ).

cnf(518,plain,
    ( ~ product(u,multiplicative_identity,multiplicative_identity)
    | product(u,b,a) ),
    inference(ssi,[status(thm)],[511,1]),
    [iquote('0:SSi:511.0,1.0')] ).

cnf(670,plain,
    ( ~ product(u,multiplicative_identity,multiplicative_identity)
    | product(b,u,a) ),
    inference(res,[status(thm),theory(equality)],[518,15]),
    [iquote('0:Res:518.1,15.0')] ).

cnf(738,plain,
    ( ~ defined(multiplicative_inverse(b))
    | ~ product(multiplicative_inverse(b),u,multiplicative_identity)
    | ~ product(u,multiplicative_inverse(a),multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[88,54]),
    [iquote('0:Res:88.1,54.1')] ).

cnf(748,plain,
    ( ~ defined(multiplicative_identity)
    | sum__dfg(additive_identity,multiplicative_identity,additive_identity)
    | product(b,multiplicative_inverse(multiplicative_identity),a) ),
    inference(res,[status(thm),theory(equality)],[14,670]),
    [iquote('0:Res:14.2,670.0')] ).

cnf(751,plain,
    ( sum__dfg(additive_identity,multiplicative_identity,additive_identity)
    | product(b,multiplicative_inverse(multiplicative_identity),a) ),
    inference(ssi,[status(thm)],[748,22]),
    [iquote('0:SSi:748.0,22.0')] ).

cnf(752,plain,
    sum__dfg(additive_identity,multiplicative_identity,additive_identity),
    inference(spt,[spt(split,[position(s1)])],[751]),
    [iquote('1:Spt:751.0')] ).

cnf(853,plain,
    ( ~ defined(multiplicative_identity)
    | ~ sum__dfg(u,additive_identity,additive_identity)
    | sum__dfg(u,additive_identity,multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[752,130]),
    [iquote('1:Res:752.0,130.1')] ).

cnf(875,plain,
    ( ~ sum__dfg(u,additive_identity,additive_identity)
    | sum__dfg(u,additive_identity,multiplicative_identity) ),
    inference(ssi,[status(thm)],[853,22]),
    [iquote('1:SSi:853.0,22.0')] ).

cnf(962,plain,
    ( ~ defined(u)
    | ~ defined(u)
    | ~ product(multiplicative_identity,u,v)
    | product(v,multiplicative_identity,u) ),
    inference(res,[status(thm),theory(equality)],[88,157]),
    [iquote('0:Res:88.1,157.1')] ).

cnf(968,plain,
    ( ~ defined(multiplicative_identity)
    | ~ product(multiplicative_identity,b,u)
    | product(u,multiplicative_inverse(a),multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[380,157]),
    [iquote('0:Res:380.0,157.1')] ).

cnf(991,plain,
    ( ~ product(multiplicative_identity,b,u)
    | product(u,multiplicative_inverse(a),multiplicative_identity) ),
    inference(ssi,[status(thm)],[968,22]),
    [iquote('0:SSi:968.0,22.0')] ).

cnf(1005,plain,
    ( ~ defined(u)
    | ~ product(multiplicative_identity,u,v)
    | product(v,multiplicative_identity,u) ),
    inference(obv,[status(thm),theory(equality)],[962]),
    [iquote('0:Obv:962.0')] ).

cnf(1032,plain,
    ( ~ defined(additive_identity)
    | sum__dfg(additive_identity,additive_identity,multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[80,875]),
    [iquote('1:Res:80.1,875.0')] ).

cnf(1038,plain,
    sum__dfg(additive_identity,additive_identity,multiplicative_identity),
    inference(ssi,[status(thm)],[1032,19]),
    [iquote('1:SSi:1032.0,19.0')] ).

cnf(1039,plain,
    $false,
    inference(mrr,[status(thm)],[1038,31]),
    [iquote('1:MRR:1038.0,31.0')] ).

cnf(1045,plain,
    ~ sum__dfg(additive_identity,multiplicative_identity,additive_identity),
    inference(spt,[spt(split,[position(sa)])],[1039,752]),
    [iquote('1:Spt:1039.0,751.0,752.0')] ).

cnf(1046,plain,
    product(b,multiplicative_inverse(multiplicative_identity),a),
    inference(spt,[spt(split,[position(s2)])],[751]),
    [iquote('1:Spt:1039.0,751.1')] ).

cnf(1050,plain,
    ( ~ product(a,multiplicative_inverse(multiplicative_identity),u)
    | product(multiplicative_identity,u,b) ),
    inference(mrr,[status(thm)],[436,1045]),
    [iquote('1:MRR:436.1,1045.0')] ).

cnf(1067,plain,
    ( ~ defined(multiplicative_identity)
    | defined(multiplicative_inverse(multiplicative_identity)) ),
    inference(res,[status(thm),theory(equality)],[23,1045]),
    [iquote('1:Res:23.2,1045.0')] ).

cnf(1069,plain,
    defined(multiplicative_inverse(multiplicative_identity)),
    inference(ssi,[status(thm)],[1067,22]),
    [iquote('1:SSi:1067.0,22.0')] ).

cnf(1097,plain,
    ( ~ defined(multiplicative_identity)
    | ~ product(u,b,multiplicative_identity)
    | product(u,a,multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[382,187]),
    [iquote('0:Res:382.0,187.1')] ).

cnf(1118,plain,
    ( ~ product(u,b,multiplicative_identity)
    | product(u,a,multiplicative_identity) ),
    inference(ssi,[status(thm)],[1097,22]),
    [iquote('0:SSi:1097.0,22.0')] ).

cnf(1271,plain,
    ( ~ product(u,b,multiplicative_identity)
    | product(a,u,multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[1118,15]),
    [iquote('0:Res:1118.1,15.0')] ).

cnf(1341,plain,
    ( ~ defined(b)
    | sum__dfg(additive_identity,b,additive_identity)
    | product(a,multiplicative_inverse(b),multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[14,1271]),
    [iquote('0:Res:14.2,1271.0')] ).

cnf(1343,plain,
    ( sum__dfg(additive_identity,b,additive_identity)
    | product(a,multiplicative_inverse(b),multiplicative_identity) ),
    inference(ssi,[status(thm)],[1341,2]),
    [iquote('0:SSi:1341.0,2.0')] ).

cnf(1344,plain,
    sum__dfg(additive_identity,b,additive_identity),
    inference(spt,[spt(split,[position(s2s1)])],[1343]),
    [iquote('2:Spt:1343.0')] ).

cnf(1348,plain,
    sum__dfg(b,additive_identity,additive_identity),
    inference(res,[status(thm),theory(equality)],[1344,10]),
    [iquote('2:Res:1344.0,10.0')] ).

cnf(1349,plain,
    ( ~ defined(b)
    | ~ sum__dfg(u,additive_identity,additive_identity)
    | sum__dfg(u,additive_identity,b) ),
    inference(res,[status(thm),theory(equality)],[1344,130]),
    [iquote('2:Res:1344.0,130.1')] ).

cnf(1353,plain,
    ( ~ sum__dfg(u,additive_identity,additive_identity)
    | sum__dfg(u,additive_identity,b) ),
    inference(ssi,[status(thm)],[1349,2]),
    [iquote('2:SSi:1349.0,2.0')] ).

cnf(1364,plain,
    ( ~ defined(additive_identity)
    | ~ sum__dfg(u,b,additive_identity)
    | sum__dfg(u,additive_identity,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[1348,130]),
    [iquote('2:Res:1348.0,130.1')] ).

cnf(1368,plain,
    ( ~ sum__dfg(u,b,additive_identity)
    | sum__dfg(u,additive_identity,additive_identity) ),
    inference(ssi,[status(thm)],[1364,19]),
    [iquote('2:SSi:1364.0,19.0')] ).

cnf(1457,plain,
    ( ~ sum__dfg(u,additive_identity,additive_identity)
    | sum__dfg(additive_identity,u,b) ),
    inference(res,[status(thm),theory(equality)],[1353,10]),
    [iquote('2:Res:1353.1,10.0')] ).

cnf(1544,plain,
    ( ~ defined(b)
    | sum__dfg(additive_inverse(b),additive_identity,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[9,1368]),
    [iquote('2:Res:9.1,1368.0')] ).

cnf(1546,plain,
    sum__dfg(additive_identity,additive_identity,additive_identity),
    inference(res,[status(thm),theory(equality)],[1344,1368]),
    [iquote('2:Res:1344.0,1368.0')] ).

cnf(1558,plain,
    sum__dfg(additive_inverse(b),additive_identity,additive_identity),
    inference(ssi,[status(thm)],[1544,2]),
    [iquote('2:SSi:1544.0,2.0')] ).

cnf(1694,plain,
    ( ~ defined(u)
    | ~ product(u,v,a)
    | ~ product(additive_identity,v,additive_identity)
    | ~ product(u,v,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[8,51]),
    [iquote('0:Res:8.1,51.0')] ).

cnf(1700,plain,
    ( ~ defined(u)
    | ~ product(u,v,a)
    | ~ product(additive_identity,v,additive_identity)
    | ~ product(additive_identity,v,additive_identity)
    | defined(multiplicative_inverse(u)) ),
    inference(res,[status(thm),theory(equality)],[23,51]),
    [iquote('0:Res:23.2,51.0')] ).

cnf(1741,plain,
    ( ~ defined(u)
    | ~ product(u,v,a)
    | ~ product(additive_identity,v,additive_identity)
    | defined(multiplicative_inverse(u)) ),
    inference(obv,[status(thm),theory(equality)],[1700]),
    [iquote('0:Obv:1700.2')] ).

cnf(1751,plain,
    ( ~ defined(additive_identity)
    | sum__dfg(additive_identity,additive_inverse(additive_identity),b) ),
    inference(res,[status(thm),theory(equality)],[9,1457]),
    [iquote('2:Res:9.1,1457.0')] ).

cnf(1754,plain,
    sum__dfg(additive_identity,additive_identity,b),
    inference(res,[status(thm),theory(equality)],[1546,1457]),
    [iquote('2:Res:1546.0,1457.0')] ).

cnf(1758,plain,
    sum__dfg(additive_identity,additive_inverse(additive_identity),b),
    inference(ssi,[status(thm)],[1751,19]),
    [iquote('2:SSi:1751.0,19.0')] ).

cnf(1766,plain,
    ( ~ defined(additive_identity)
    | ~ sum__dfg(u,additive_identity,additive_identity)
    | sum__dfg(u,b,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[1754,130]),
    [iquote('2:Res:1754.0,130.1')] ).

cnf(1768,plain,
    ( ~ sum__dfg(u,additive_identity,additive_identity)
    | sum__dfg(u,b,additive_identity) ),
    inference(ssi,[status(thm)],[1766,19]),
    [iquote('2:SSi:1766.0,19.0')] ).

cnf(1857,plain,
    sum__dfg(additive_inverse(additive_identity),additive_identity,b),
    inference(res,[status(thm),theory(equality)],[1758,10]),
    [iquote('2:Res:1758.0,10.0')] ).

cnf(2135,plain,
    ( ~ defined(multiplicative_inverse(u))
    | ~ defined(u)
    | ~ product(multiplicative_identity,u,v)
    | sum__dfg(additive_identity,u,additive_identity)
    | product(multiplicative_inverse(u),v,multiplicative_identity) ),
    inference(res,[status(thm),theory(equality)],[88,189]),
    [iquote('0:Res:88.1,189.2')] ).

cnf(2138,plain,
    ( ~ defined(u)
    | ~ product(multiplicative_identity,u,v)
    | sum__dfg(additive_identity,u,additive_identity)
    | product(multiplicative_inverse(u),v,multiplicative_identity) ),
    inference(mrr,[status(thm)],[2135,23]),
    [iquote('0:MRR:2135.0,23.1')] ).

cnf(2181,plain,
    ( ~ sum__dfg(u,additive_identity,additive_identity)
    | sum__dfg(b,u,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[1768,10]),
    [iquote('2:Res:1768.1,10.0')] ).

cnf(3061,plain,
    sum__dfg(b,additive_inverse(b),additive_identity),
    inference(res,[status(thm),theory(equality)],[1558,2181]),
    [iquote('2:Res:1558.0,2181.0')] ).

cnf(3081,plain,
    sum__dfg(additive_inverse(b),b,additive_identity),
    inference(res,[status(thm),theory(equality)],[3061,10]),
    [iquote('2:Res:3061.0,10.0')] ).

cnf(3346,plain,
    ( ~ defined(additive_inverse(u))
    | ~ defined(u)
    | ~ product(v,multiplicative_identity,u)
    | ~ sum__dfg(additive_inverse(u),v,w)
    | product(w,multiplicative_identity,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[88,305]),
    [iquote('0:Res:88.1,305.2')] ).

cnf(3349,plain,
    ( ~ defined(u)
    | ~ product(v,multiplicative_identity,u)
    | ~ sum__dfg(additive_inverse(u),v,w)
    | product(w,multiplicative_identity,additive_identity) ),
    inference(ssi,[status(thm)],[3346,20]),
    [iquote('0:SSi:3346.0,20.1')] ).

cnf(5319,plain,
    ( ~ defined(a)
    | ~ defined(multiplicative_inverse(multiplicative_identity))
    | product(multiplicative_identity,multiply(multiplicative_inverse(multiplicative_identity),a),b) ),
    inference(res,[status(thm),theory(equality)],[108,1050]),
    [iquote('1:Res:108.2,1050.0')] ).

cnf(5323,plain,
    product(multiplicative_identity,multiply(multiplicative_inverse(multiplicative_identity),a),b),
    inference(ssi,[status(thm)],[5319,1069,1]),
    [iquote('1:SSi:5319.1,5319.0,1069.0,1.0')] ).

cnf(5878,plain,
    ( ~ defined(multiply(multiplicative_inverse(multiplicative_identity),a))
    | product(b,multiplicative_identity,multiply(multiplicative_inverse(multiplicative_identity),a)) ),
    inference(res,[status(thm),theory(equality)],[5323,1005]),
    [iquote('1:Res:5323.0,1005.1')] ).

cnf(5900,plain,
    product(b,multiplicative_identity,multiply(multiplicative_inverse(multiplicative_identity),a)),
    inference(ssi,[status(thm)],[5878,21,1069,1]),
    [iquote('1:SSi:5878.0,21.0,1069.0,1.2')] ).

cnf(6596,plain,
    product(multiplicative_identity,b,multiply(multiplicative_inverse(multiplicative_identity),a)),
    inference(res,[status(thm),theory(equality)],[5900,15]),
    [iquote('1:Res:5900.0,15.0')] ).

cnf(11901,plain,
    ( ~ defined(b)
    | ~ product(additive_identity,multiplicative_identity,additive_identity)
    | defined(multiplicative_inverse(b)) ),
    inference(res,[status(thm),theory(equality)],[382,1741]),
    [iquote('0:Res:382.0,1741.1')] ).

cnf(11940,plain,
    ( ~ product(additive_identity,multiplicative_identity,additive_identity)
    | defined(multiplicative_inverse(b)) ),
    inference(ssi,[status(thm)],[11901,2]),
    [iquote('0:SSi:11901.0,2.0')] ).

cnf(12045,plain,
    ( ~ defined(additive_identity)
    | defined(multiplicative_inverse(b)) ),
    inference(res,[status(thm),theory(equality)],[88,11940]),
    [iquote('0:Res:88.1,11940.0')] ).

cnf(12046,plain,
    defined(multiplicative_inverse(b)),
    inference(ssi,[status(thm)],[12045,19]),
    [iquote('0:SSi:12045.0,19.0')] ).

cnf(12050,plain,
    ( ~ product(multiplicative_inverse(b),u,multiplicative_identity)
    | ~ product(u,multiplicative_inverse(a),multiplicative_identity) ),
    inference(mrr,[status(thm)],[738,12046]),
    [iquote('0:MRR:738.0,12046.0')] ).

cnf(13596,plain,
    ( ~ defined(b)
    | ~ product(multiplicative_identity,b,u)
    | ~ product(u,multiplicative_inverse(a),multiplicative_identity)
    | sum__dfg(additive_identity,b,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[2138,12050]),
    [iquote('0:Res:2138.3,12050.0')] ).

cnf(17712,plain,
    ( ~ defined(b)
    | ~ product(additive_identity,multiplicative_identity,additive_identity)
    | ~ product(b,multiplicative_identity,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[382,1694]),
    [iquote('0:Res:382.0,1694.1')] ).

cnf(17763,plain,
    ( ~ product(additive_identity,multiplicative_identity,additive_identity)
    | ~ product(b,multiplicative_identity,additive_identity) ),
    inference(ssi,[status(thm)],[17712,2]),
    [iquote('0:SSi:17712.0,2.0')] ).

cnf(17968,plain,
    ( ~ defined(b)
    | ~ product(b,multiplicative_identity,b)
    | product(additive_identity,multiplicative_identity,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[3081,3349]),
    [iquote('2:Res:3081.0,3349.2')] ).

cnf(17982,plain,
    ( ~ defined(additive_identity)
    | ~ product(additive_identity,multiplicative_identity,additive_identity)
    | product(b,multiplicative_identity,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[1857,3349]),
    [iquote('2:Res:1857.0,3349.2')] ).

cnf(18012,plain,
    ( ~ product(b,multiplicative_identity,b)
    | product(additive_identity,multiplicative_identity,additive_identity) ),
    inference(ssi,[status(thm)],[17968,2]),
    [iquote('2:SSi:17968.0,2.0')] ).

cnf(18013,plain,
    product(additive_identity,multiplicative_identity,additive_identity),
    inference(mrr,[status(thm)],[18012,94]),
    [iquote('2:MRR:18012.0,94.0')] ).

cnf(18020,plain,
    ~ product(b,multiplicative_identity,additive_identity),
    inference(mrr,[status(thm)],[17763,18013]),
    [iquote('2:MRR:17763.0,18013.0')] ).

cnf(18031,plain,
    ( ~ product(additive_identity,multiplicative_identity,additive_identity)
    | product(b,multiplicative_identity,additive_identity) ),
    inference(ssi,[status(thm)],[17982,19]),
    [iquote('2:SSi:17982.0,19.0')] ).

cnf(18032,plain,
    $false,
    inference(mrr,[status(thm)],[18031,18013,18020]),
    [iquote('2:MRR:18031.0,18031.1,18013.0,18020.0')] ).

cnf(18078,plain,
    ~ sum__dfg(additive_identity,b,additive_identity),
    inference(spt,[spt(split,[position(s2sa)])],[18032,1344]),
    [iquote('2:Spt:18032.0,1343.0,1344.0')] ).

cnf(18079,plain,
    product(a,multiplicative_inverse(b),multiplicative_identity),
    inference(spt,[spt(split,[position(s2s2)])],[1343]),
    [iquote('2:Spt:18032.0,1343.1')] ).

cnf(18157,plain,
    ( ~ product(multiplicative_identity,b,u)
    | ~ product(u,multiplicative_inverse(a),multiplicative_identity)
    | sum__dfg(additive_identity,b,additive_identity) ),
    inference(ssi,[status(thm)],[13596,2]),
    [iquote('0:SSi:13596.0,2.0')] ).

cnf(18158,plain,
    ( ~ product(multiplicative_identity,b,u)
    | sum__dfg(additive_identity,b,additive_identity) ),
    inference(mrr,[status(thm)],[18157,991]),
    [iquote('0:MRR:18157.1,991.1')] ).

cnf(18159,plain,
    ~ product(multiplicative_identity,b,u),
    inference(mrr,[status(thm)],[18158,18078]),
    [iquote('2:MRR:18158.1,18078.0')] ).

cnf(18160,plain,
    $false,
    inference(unc,[status(thm)],[18159,6596]),
    [iquote('2:UnC:18159.0,6596.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.09  % Problem  : FLD026-3 : TPTP v8.1.0. Bugfixed v2.1.0.
% 0.04/0.10  % Command  : run_spass %d %s
% 0.09/0.30  % Computer : n022.cluster.edu
% 0.09/0.30  % Model    : x86_64 x86_64
% 0.09/0.30  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.30  % Memory   : 8042.1875MB
% 0.09/0.30  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.09/0.30  % CPULimit : 300
% 0.09/0.30  % WCLimit  : 600
% 0.09/0.30  % DateTime : Tue Jun  7 03:20:05 EDT 2022
% 0.09/0.30  % CPUTime  : 
% 15.43/15.71  
% 15.43/15.71  SPASS V 3.9 
% 15.43/15.71  SPASS beiseite: Proof found.
% 15.43/15.71  % SZS status Theorem
% 15.43/15.71  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 15.43/15.71  SPASS derived 13162 clauses, backtracked 517 clauses, performed 2 splits and kept 8944 clauses.
% 15.43/15.71  SPASS allocated 88992 KBytes.
% 15.43/15.71  SPASS spent	0:0:15.39 on the problem.
% 15.43/15.71  		0:00:00.03 for the input.
% 15.43/15.71  		0:00:00.00 for the FLOTTER CNF translation.
% 15.43/15.71  		0:00:00.13 for inferences.
% 15.43/15.71  		0:00:00.77 for the backtracking.
% 15.43/15.71  		0:0:14.32 for the reduction.
% 15.43/15.71  
% 15.43/15.71  
% 15.43/15.71  Here is a proof with depth 16, length 133 :
% 15.43/15.71  % SZS output start Refutation
% See solution above
% 15.83/16.08  Formulae used in the proof : a_is_defined b_is_defined not_sum_3 product_4 not_product_5 associativity_addition_1 existence_of_identity_addition existence_of_inverse_addition commutativity_addition associativity_multiplication_1 associativity_multiplication_2 existence_of_identity_multiplication existence_of_inverse_multiplication commutativity_multiplication distributivity_1 distributivity_2 well_definedness_of_additive_identity well_definedness_of_additive_inverse well_definedness_of_multiplication well_definedness_of_multiplicative_identity well_definedness_of_multiplicative_inverse totality_of_multiplication different_identities
% 15.83/16.08  
%------------------------------------------------------------------------------