TSTP Solution File: LCL075-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL075-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n011.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 : Sun Jul 17 14:34:24 EDT 2022

% Result   : Unsatisfiable 0.91s 1.13s
% Output   : Refutation 0.91s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   12
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   15 (  11 unt;   0 nHn;  15 RR)
%            Number of literals    :   20 (   0 equ;   6 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    7 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :    9 (   9 usr;   7 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(implies__dfg(u,v))
    | is_a_theorem(v) ),
    file('LCL075-1.p',unknown),
    [] ).

cnf(2,axiom,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(implies__dfg(implies__dfg(u,v),implies__dfg(not__dfg(w),not__dfg(x))),w),y),implies__dfg(implies__dfg(y,u),implies__dfg(x,u)))),
    file('LCL075-1.p',unknown),
    [] ).

cnf(3,axiom,
    ~ is_a_theorem(implies__dfg(a,implies__dfg(not__dfg(a),b))),
    file('LCL075-1.p',unknown),
    [] ).

cnf(7,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(implies__dfg(implies__dfg(u,v),implies__dfg(not__dfg(w),not__dfg(x))),w),y))
    | is_a_theorem(implies__dfg(implies__dfg(y,u),implies__dfg(x,u))) ),
    inference(res,[status(thm),theory(equality)],[2,1]),
    [iquote('0:Res:2.0,1.1')] ).

cnf(8,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(implies__dfg(u,v),implies__dfg(w,v)),implies__dfg(v,x)),implies__dfg(y,implies__dfg(v,x)))),
    inference(sor,[status(thm)],[7,2]),
    [iquote('0:SoR:7.0,2.0')] ).

cnf(9,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,implies__dfg(not__dfg(v),w)),x),implies__dfg(v,x))),
    inference(sor,[status(thm)],[7,8]),
    [iquote('0:SoR:7.0,8.0')] ).

cnf(11,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,u),v),implies__dfg(w,v))),
    inference(sor,[status(thm)],[7,9]),
    [iquote('0:SoR:7.0,9.0')] ).

cnf(14,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(u,u),v))
    | is_a_theorem(implies__dfg(w,v)) ),
    inference(res,[status(thm),theory(equality)],[11,1]),
    [iquote('0:Res:11.0,1.1')] ).

cnf(15,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(v,implies__dfg(w,w)))),
    inference(sor,[status(thm)],[14,11]),
    [iquote('0:SoR:14.0,11.0')] ).

cnf(18,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,implies__dfg(v,v)),w),implies__dfg(x,w))),
    inference(sor,[status(thm)],[7,15]),
    [iquote('0:SoR:7.0,15.0')] ).

cnf(221,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(u,v),w),implies__dfg(v,w))),
    inference(sor,[status(thm)],[7,18]),
    [iquote('0:SoR:7.0,18.0')] ).

cnf(233,plain,
    is_a_theorem(implies__dfg(implies__dfg(implies__dfg(implies__dfg(not__dfg(u),not__dfg(v)),u),w),implies__dfg(v,w))),
    inference(sor,[status(thm)],[7,221]),
    [iquote('0:SoR:7.0,221.0')] ).

cnf(905,plain,
    ( ~ is_a_theorem(implies__dfg(implies__dfg(implies__dfg(not__dfg(u),not__dfg(v)),u),w))
    | is_a_theorem(implies__dfg(v,w)) ),
    inference(res,[status(thm),theory(equality)],[233,1]),
    [iquote('0:Res:233.0,1.1')] ).

cnf(5216,plain,
    is_a_theorem(implies__dfg(u,implies__dfg(not__dfg(u),v))),
    inference(sor,[status(thm)],[905,221]),
    [iquote('0:SoR:905.0,221.0')] ).

cnf(5305,plain,
    $false,
    inference(unc,[status(thm)],[5216,3]),
    [iquote('0:UnC:5216.0,3.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.02/0.09  % Problem  : LCL075-1 : TPTP v8.1.0. Released v1.0.0.
% 0.02/0.09  % Command  : run_spass %d %s
% 0.08/0.29  % Computer : n011.cluster.edu
% 0.08/0.29  % Model    : x86_64 x86_64
% 0.08/0.29  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.08/0.29  % Memory   : 8042.1875MB
% 0.08/0.29  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.08/0.29  % CPULimit : 300
% 0.08/0.29  % WCLimit  : 600
% 0.08/0.29  % DateTime : Sun Jul  3 16:00:20 EDT 2022
% 0.08/0.29  % CPUTime  : 
% 0.91/1.13  
% 0.91/1.13  SPASS V 3.9 
% 0.91/1.13  SPASS beiseite: Proof found.
% 0.91/1.13  % SZS status Theorem
% 0.91/1.13  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.91/1.13  SPASS derived 5095 clauses, backtracked 0 clauses, performed 0 splits and kept 810 clauses.
% 0.91/1.13  SPASS allocated 80333 KBytes.
% 0.91/1.13  SPASS spent	0:00:00.79 on the problem.
% 0.91/1.13  		0:00:00.03 for the input.
% 0.91/1.13  		0:00:00.00 for the FLOTTER CNF translation.
% 0.91/1.13  		0:00:00.16 for inferences.
% 0.91/1.13  		0:00:00.00 for the backtracking.
% 0.91/1.13  		0:00:00.57 for the reduction.
% 0.91/1.13  
% 0.91/1.13  
% 0.91/1.13  Here is a proof with depth 11, length 15 :
% 0.91/1.13  % SZS output start Refutation
% See solution above
% 0.91/1.13  Formulae used in the proof : condensed_detachment cn_CAMerideth prove_cn_3
% 0.91/1.13  
%------------------------------------------------------------------------------