TSTP Solution File: LCL108-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL108-1 : 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 14:34:38 EDT 2022

% Result   : Unsatisfiable 1.23s 1.44s
% Output   : Refutation 1.23s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   26
%            Number of leaves      :    3
% Syntax   : Number of clauses     :   42 (  26 unt;   0 nHn;  42 RR)
%            Number of literals    :   60 (   0 equ;  19 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    8 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-1 aty)
%            Number of functors    :   13 (  13 usr;  12 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(equivalent(u,v))
    | is_a_theorem(v) ),
    file('LCL108-1.p',unknown),
    [] ).

cnf(2,axiom,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(u,v),w),equivalent(equivalent(x,y),equivalent(equivalent(equivalent(z,y),equivalent(z,x)),x1))),equivalent(w,equivalent(equivalent(v,u),x1)))),
    file('LCL108-1.p',unknown),
    [] ).

cnf(3,axiom,
    ~ is_a_theorem(equivalent(equivalent(equivalent(a,b),equivalent(equivalent(b,a),c)),c)),
    file('LCL108-1.p',unknown),
    [] ).

cnf(7,plain,
    ( ~ is_a_theorem(equivalent(equivalent(equivalent(u,v),w),equivalent(equivalent(x,y),equivalent(equivalent(equivalent(z,y),equivalent(z,x)),x1))))
    | is_a_theorem(equivalent(w,equivalent(equivalent(v,u),x1))) ),
    inference(res,[status(thm),theory(equality)],[2,1]),
    [iquote('0:Res:2.0,1.1')] ).

cnf(8,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,v),equivalent(equivalent(equivalent(w,v),equivalent(w,u)),x)),equivalent(equivalent(equivalent(y,z),equivalent(equivalent(x1,y),equivalent(x1,z))),x))),
    inference(sor,[status(thm)],[7,2]),
    [iquote('0:SoR:7.0,2.0')] ).

cnf(9,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(u,v),equivalent(u,w)),equivalent(equivalent(equivalent(x,equivalent(equivalent(y,z),equivalent(y,x1))),equivalent(x,equivalent(z,x1))),x2)),equivalent(equivalent(v,w),x2))),
    inference(sor,[status(thm)],[7,8]),
    [iquote('0:SoR:7.0,8.0')] ).

cnf(11,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(u,equivalent(equivalent(v,w),equivalent(v,x))),equivalent(u,equivalent(w,x))),equivalent(equivalent(equivalent(y,z),equivalent(y,x1)),x2)),equivalent(equivalent(equivalent(x3,z),equivalent(x3,x1)),x2))),
    inference(sor,[status(thm)],[7,9]),
    [iquote('0:SoR:7.0,9.0')] ).

cnf(12,plain,
    ( ~ is_a_theorem(equivalent(equivalent(equivalent(u,v),equivalent(u,w)),equivalent(equivalent(equivalent(x,equivalent(equivalent(y,z),equivalent(y,x1))),equivalent(x,equivalent(z,x1))),x2)))
    | is_a_theorem(equivalent(equivalent(v,w),x2)) ),
    inference(res,[status(thm),theory(equality)],[9,1]),
    [iquote('0:Res:9.0,1.1')] ).

cnf(13,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(u,equivalent(equivalent(v,equivalent(w,x)),equivalent(v,equivalent(w,y)))),equivalent(u,equivalent(x,y))),z),z)),
    inference(sor,[status(thm)],[12,9]),
    [iquote('0:SoR:12.0,9.0')] ).

cnf(14,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(u,equivalent(equivalent(v,w),equivalent(v,x))),equivalent(u,equivalent(w,x))),equivalent(equivalent(equivalent(y,z),equivalent(y,x1)),x2)),equivalent(equivalent(z,x1),x2))),
    inference(sor,[status(thm)],[12,2]),
    [iquote('0:SoR:12.0,2.0')] ).

cnf(17,plain,
    ( ~ is_a_theorem(equivalent(equivalent(equivalent(u,equivalent(equivalent(v,equivalent(w,x)),equivalent(v,equivalent(w,y)))),equivalent(u,equivalent(x,y))),z))
    | is_a_theorem(z) ),
    inference(res,[status(thm),theory(equality)],[13,1]),
    [iquote('0:Res:13.0,1.1')] ).

cnf(20,plain,
    ( ~ is_a_theorem(equivalent(equivalent(equivalent(u,equivalent(equivalent(v,w),equivalent(v,x))),equivalent(u,equivalent(w,x))),equivalent(equivalent(equivalent(y,z),equivalent(y,x1)),x2)))
    | is_a_theorem(equivalent(equivalent(equivalent(x3,z),equivalent(x3,x1)),x2)) ),
    inference(res,[status(thm),theory(equality)],[11,1]),
    [iquote('0:Res:11.0,1.1')] ).

cnf(30,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(equivalent(u,v),equivalent(u,equivalent(equivalent(w,x),equivalent(w,y)))),equivalent(v,equivalent(x,y))),z),z)),
    inference(sor,[status(thm)],[12,14]),
    [iquote('0:SoR:12.0,14.0')] ).

cnf(35,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(equivalent(u,equivalent(v,w)),equivalent(u,equivalent(v,x))),equivalent(w,x)),y),y)),
    inference(sor,[status(thm)],[12,30]),
    [iquote('0:SoR:12.0,30.0')] ).

cnf(38,plain,
    ( ~ is_a_theorem(equivalent(equivalent(equivalent(equivalent(u,equivalent(v,w)),equivalent(u,equivalent(v,x))),equivalent(w,x)),y))
    | is_a_theorem(y) ),
    inference(res,[status(thm),theory(equality)],[35,1]),
    [iquote('0:Res:35.0,1.1')] ).

cnf(41,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,equivalent(v,w)),equivalent(u,x)),equivalent(equivalent(equivalent(y,v),equivalent(y,w)),x))),
    inference(sor,[status(thm)],[20,9]),
    [iquote('0:SoR:20.0,9.0')] ).

cnf(44,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,equivalent(equivalent(v,w),equivalent(v,x))),equivalent(u,y)),equivalent(equivalent(w,x),y))),
    inference(sor,[status(thm)],[20,2]),
    [iquote('0:SoR:20.0,2.0')] ).

cnf(47,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,v),equivalent(u,w)),equivalent(equivalent(x,v),equivalent(x,w)))),
    inference(sor,[status(thm)],[20,44]),
    [iquote('0:SoR:20.0,44.0')] ).

cnf(51,plain,
    ( ~ is_a_theorem(equivalent(equivalent(u,v),equivalent(u,w)))
    | is_a_theorem(equivalent(equivalent(x,v),equivalent(x,w))) ),
    inference(res,[status(thm),theory(equality)],[47,1]),
    [iquote('0:Res:47.0,1.1')] ).

cnf(52,plain,
    is_a_theorem(equivalent(equivalent(u,equivalent(v,w)),equivalent(u,equivalent(v,w)))),
    inference(sor,[status(thm)],[51,47]),
    [iquote('0:SoR:51.0,47.0')] ).

cnf(63,plain,
    is_a_theorem(equivalent(equivalent(equivalent(equivalent(u,v),equivalent(u,w)),x),equivalent(equivalent(v,w),x))),
    inference(sor,[status(thm)],[7,52]),
    [iquote('0:SoR:7.0,52.0')] ).

cnf(74,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,v),equivalent(u,w)),equivalent(v,w))),
    inference(sor,[status(thm)],[38,63]),
    [iquote('0:SoR:38.0,63.0')] ).

cnf(81,plain,
    ( ~ is_a_theorem(equivalent(equivalent(u,v),equivalent(u,w)))
    | is_a_theorem(equivalent(v,w)) ),
    inference(res,[status(thm),theory(equality)],[74,1]),
    [iquote('0:Res:74.0,1.1')] ).

cnf(104,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,u),v),v)),
    inference(sor,[status(thm)],[81,41]),
    [iquote('0:SoR:81.0,41.0')] ).

cnf(105,plain,
    is_a_theorem(equivalent(equivalent(u,equivalent(equivalent(v,v),w)),equivalent(u,w))),
    inference(sor,[status(thm)],[51,41]),
    [iquote('0:SoR:51.0,41.0')] ).

cnf(123,plain,
    ( ~ is_a_theorem(equivalent(equivalent(u,u),v))
    | is_a_theorem(v) ),
    inference(res,[status(thm),theory(equality)],[104,1]),
    [iquote('0:Res:104.0,1.1')] ).

cnf(124,plain,
    is_a_theorem(equivalent(equivalent(u,v),equivalent(equivalent(w,u),equivalent(w,v)))),
    inference(sor,[status(thm)],[123,63]),
    [iquote('0:SoR:123.0,63.0')] ).

cnf(149,plain,
    ( ~ is_a_theorem(equivalent(u,equivalent(equivalent(v,v),w)))
    | is_a_theorem(equivalent(u,w)) ),
    inference(res,[status(thm),theory(equality)],[105,1]),
    [iquote('0:Res:105.0,1.1')] ).

cnf(155,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,equivalent(v,w)),equivalent(u,equivalent(equivalent(x,v),y))),equivalent(equivalent(x,w),y))),
    inference(sor,[status(thm)],[17,9]),
    [iquote('0:SoR:17.0,9.0')] ).

cnf(172,plain,
    ( ~ is_a_theorem(equivalent(u,v))
    | is_a_theorem(equivalent(equivalent(w,u),equivalent(w,v))) ),
    inference(res,[status(thm),theory(equality)],[124,1]),
    [iquote('0:Res:124.0,1.1')] ).

cnf(231,plain,
    is_a_theorem(equivalent(equivalent(u,equivalent(v,w)),equivalent(u,equivalent(equivalent(x,v),equivalent(x,w))))),
    inference(sor,[status(thm)],[172,124]),
    [iquote('0:SoR:172.0,124.0')] ).

cnf(442,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,v),w),equivalent(equivalent(x,v),equivalent(equivalent(u,x),w)))),
    inference(sor,[status(thm)],[7,231]),
    [iquote('0:SoR:7.0,231.0')] ).

cnf(569,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,equivalent(v,w)),equivalent(u,equivalent(equivalent(w,v),x))),x)),
    inference(sor,[status(thm)],[149,155]),
    [iquote('0:SoR:149.0,155.0')] ).

cnf(599,plain,
    is_a_theorem(equivalent(u,equivalent(equivalent(v,v),u))),
    inference(sor,[status(thm)],[81,442]),
    [iquote('0:SoR:81.0,442.0')] ).

cnf(600,plain,
    is_a_theorem(equivalent(equivalent(u,v),equivalent(u,equivalent(equivalent(w,w),v)))),
    inference(sor,[status(thm)],[51,442]),
    [iquote('0:SoR:51.0,442.0')] ).

cnf(626,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(equivalent(equivalent(v,v),u)) ),
    inference(res,[status(thm),theory(equality)],[599,1]),
    [iquote('0:Res:599.0,1.1')] ).

cnf(677,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(equivalent(equivalent(v,equivalent(w,w)),equivalent(v,u))) ),
    inference(sor,[status(thm)],[172,626]),
    [iquote('0:SoR:172.0,626.1')] ).

cnf(829,plain,
    ( ~ is_a_theorem(u)
    | ~ is_a_theorem(equivalent(v,equivalent(w,w)))
    | is_a_theorem(equivalent(v,u)) ),
    inference(res,[status(thm),theory(equality)],[677,1]),
    [iquote('0:Res:677.1,1.1')] ).

cnf(1732,plain,
    ( ~ is_a_theorem(u)
    | is_a_theorem(equivalent(equivalent(equivalent(equivalent(v,v),w),w),u)) ),
    inference(sor,[status(thm)],[829,600]),
    [iquote('0:SoR:829.1,600.0')] ).

cnf(1824,plain,
    ( ~ is_a_theorem(equivalent(equivalent(equivalent(u,u),v),w))
    | is_a_theorem(equivalent(v,w)) ),
    inference(sor,[status(thm)],[81,1732]),
    [iquote('0:SoR:81.0,1732.1')] ).

cnf(2706,plain,
    is_a_theorem(equivalent(equivalent(equivalent(u,v),equivalent(equivalent(v,u),w)),w)),
    inference(sor,[status(thm)],[1824,569]),
    [iquote('0:SoR:1824.0,569.0')] ).

cnf(2718,plain,
    $false,
    inference(unc,[status(thm)],[2706,3]),
    [iquote('0:UnC:2706.0,3.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.13/0.13  % Problem  : LCL108-1 : TPTP v8.1.0. Released v1.0.0.
% 0.13/0.14  % Command  : run_spass %d %s
% 0.14/0.35  % Computer : n011.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Mon Jul  4 07:24:36 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 1.23/1.44  
% 1.23/1.44  SPASS V 3.9 
% 1.23/1.44  SPASS beiseite: Proof found.
% 1.23/1.44  % SZS status Theorem
% 1.23/1.44  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 1.23/1.44  SPASS derived 2711 clauses, backtracked 0 clauses, performed 0 splits and kept 1244 clauses.
% 1.23/1.44  SPASS allocated 80791 KBytes.
% 1.23/1.44  SPASS spent	0:00:01.05 on the problem.
% 1.23/1.44  		0:00:00.04 for the input.
% 1.23/1.44  		0:00:00.00 for the FLOTTER CNF translation.
% 1.23/1.44  		0:00:00.08 for inferences.
% 1.23/1.44  		0:00:00.00 for the backtracking.
% 1.23/1.44  		0:00:00.90 for the reduction.
% 1.23/1.44  
% 1.23/1.44  
% 1.23/1.44  Here is a proof with depth 25, length 42 :
% 1.23/1.44  % SZS output start Refutation
% See solution above
% 1.23/1.45  Formulae used in the proof : condensed_detachment lg_27_1690 prove_q_3
% 1.23/1.45  
%------------------------------------------------------------------------------