TSTP Solution File: BOO003-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : BOO003-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n032.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 23:49:21 EDT 2022

% Result   : Unsatisfiable 0.36s 0.53s
% Output   : Refutation 0.36s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :    9
% Syntax   : Number of clauses     :   22 (  10 unt;   0 nHn;  22 RR)
%            Number of literals    :   47 (   0 equ;  30 neg)
%            Maximal clause size   :    5 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :   11 (  11 usr;   9 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ product(x__dfg,x__dfg,x__dfg),
    file('BOO003-1.p',unknown),
    [] ).

cnf(3,axiom,
    product(u,v,multiply(u,v)),
    file('BOO003-1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ product(u,v,w)
    | product(v,u,w) ),
    file('BOO003-1.p',unknown),
    [] ).

cnf(6,axiom,
    sum__dfg(additive_identity,u,u),
    file('BOO003-1.p',unknown),
    [] ).

cnf(7,axiom,
    sum__dfg(u,additive_identity,u),
    file('BOO003-1.p',unknown),
    [] ).

cnf(13,axiom,
    ( ~ sum__dfg(u,v,w)
    | ~ sum__dfg(x,y,z)
    | ~ product(y,x1,v)
    | ~ product(x,x1,u)
    | product(z,x1,w) ),
    file('BOO003-1.p',unknown),
    [] ).

cnf(16,axiom,
    ( ~ sum__dfg(u,v,w)
    | ~ product(x,y,u)
    | ~ sum__dfg(y,v,z)
    | ~ sum__dfg(x,v,x1)
    | product(x1,z,w) ),
    file('BOO003-1.p',unknown),
    [] ).

cnf(20,axiom,
    product(inverse(u),u,additive_identity),
    file('BOO003-1.p',unknown),
    [] ).

cnf(23,axiom,
    ( ~ product(u,v,w)
    | ~ product(u,v,x)
    | equal(x,w) ),
    file('BOO003-1.p',unknown),
    [] ).

cnf(27,plain,
    ( ~ product(u,v,w)
    | ~ sum__dfg(w,x,x__dfg)
    | ~ sum__dfg(v,x,x__dfg)
    | ~ sum__dfg(u,x,x__dfg) ),
    inference(res,[status(thm),theory(equality)],[16,1]),
    [iquote('0:Res:16.4,1.0')] ).

cnf(33,plain,
    product(u,v,multiply(v,u)),
    inference(res,[status(thm),theory(equality)],[3,5]),
    [iquote('0:Res:3.0,5.0')] ).

cnf(42,plain,
    ( ~ product(inverse(u),u,v)
    | equal(v,additive_identity) ),
    inference(res,[status(thm),theory(equality)],[20,23]),
    [iquote('0:Res:20.0,23.0')] ).

cnf(85,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)],[6,13]),
    [iquote('0:Res:6.0,13.0')] ).

cnf(483,plain,
    ( ~ product(additive_identity,u,v)
    | ~ product(w,u,additive_identity)
    | product(w,u,v) ),
    inference(res,[status(thm),theory(equality)],[7,85]),
    [iquote('0:Res:7.0,85.0')] ).

cnf(833,plain,
    ( ~ product(u,v,additive_identity)
    | product(u,v,multiply(additive_identity,v)) ),
    inference(res,[status(thm),theory(equality)],[3,483]),
    [iquote('0:Res:3.0,483.0')] ).

cnf(861,plain,
    ( ~ product(inverse(u),u,additive_identity)
    | equal(multiply(additive_identity,u),additive_identity) ),
    inference(res,[status(thm),theory(equality)],[833,42]),
    [iquote('0:Res:833.1,42.0')] ).

cnf(870,plain,
    equal(multiply(additive_identity,u),additive_identity),
    inference(mrr,[status(thm)],[861,20]),
    [iquote('0:MRR:861.0,20.0')] ).

cnf(897,plain,
    product(u,additive_identity,additive_identity),
    inference(spr,[status(thm),theory(equality)],[870,33]),
    [iquote('0:SpR:870.0,33.0')] ).

cnf(1032,plain,
    ( ~ sum__dfg(additive_identity,u,x__dfg)
    | ~ sum__dfg(additive_identity,u,x__dfg)
    | ~ sum__dfg(v,u,x__dfg) ),
    inference(res,[status(thm),theory(equality)],[897,27]),
    [iquote('0:Res:897.0,27.0')] ).

cnf(1039,plain,
    ( ~ sum__dfg(additive_identity,u,x__dfg)
    | ~ sum__dfg(v,u,x__dfg) ),
    inference(obv,[status(thm),theory(equality)],[1032]),
    [iquote('0:Obv:1032.0')] ).

cnf(1040,plain,
    ~ sum__dfg(additive_identity,u,x__dfg),
    inference(con,[status(thm)],[1039]),
    [iquote('0:Con:1039.1')] ).

cnf(1041,plain,
    $false,
    inference(unc,[status(thm)],[1040,6]),
    [iquote('0:UnC:1040.0,6.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11  % Problem  : BOO003-1 : TPTP v8.1.0. Released v1.0.0.
% 0.06/0.11  % Command  : run_spass %d %s
% 0.11/0.31  % Computer : n032.cluster.edu
% 0.11/0.31  % Model    : x86_64 x86_64
% 0.11/0.31  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.31  % Memory   : 8042.1875MB
% 0.11/0.31  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.11/0.31  % CPULimit : 300
% 0.11/0.31  % WCLimit  : 600
% 0.11/0.31  % DateTime : Thu Jun  2 00:02:30 EDT 2022
% 0.11/0.31  % CPUTime  : 
% 0.36/0.53  
% 0.36/0.53  SPASS V 3.9 
% 0.36/0.53  SPASS beiseite: Proof found.
% 0.36/0.53  % SZS status Theorem
% 0.36/0.53  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.36/0.53  SPASS derived 879 clauses, backtracked 0 clauses, performed 0 splits and kept 367 clauses.
% 0.36/0.53  SPASS allocated 63804 KBytes.
% 0.36/0.53  SPASS spent	0:00:00.21 on the problem.
% 0.36/0.53  		0:00:00.03 for the input.
% 0.36/0.53  		0:00:00.00 for the FLOTTER CNF translation.
% 0.36/0.53  		0:00:00.01 for inferences.
% 0.36/0.53  		0:00:00.00 for the backtracking.
% 0.36/0.53  		0:00:00.14 for the reduction.
% 0.36/0.53  
% 0.36/0.53  
% 0.36/0.53  Here is a proof with depth 6, length 22 :
% 0.36/0.53  % SZS output start Refutation
% See solution above
% 0.36/0.53  Formulae used in the proof : prove_both_equalities closure_of_multiplication commutativity_of_multiplication additive_identity1 additive_identity2 distributivity4 distributivity7 multiplicative_inverse1 multiplication_is_well_defined
% 0.36/0.53  
%------------------------------------------------------------------------------