TSTP Solution File: PUZ131+1 by SPASS---3.9
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%------------------------------------------------------------------------------
% File : SPASS---3.9
% Problem : PUZ131+1 : TPTP v8.1.0. Released v4.1.0.
% Transfm : none
% Format : tptp
% Command : run_spass %d %s
% Computer : n028.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 : Mon Jul 18 18:27:33 EDT 2022
% Result : Theorem 0.18s 0.43s
% Output : Refutation 0.18s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 8
% Syntax : Number of clauses : 15 ( 9 unt; 0 nHn; 15 RR)
% Number of literals : 29 ( 0 equ; 19 neg)
% Maximal clause size : 6 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 8 ( 7 usr; 1 prp; 0-2 aty)
% Number of functors : 7 ( 7 usr; 6 con; 0-1 aty)
% Number of variables : 0 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(4,axiom,
student(michael),
file('PUZ131+1.p',unknown),
[] ).
cnf(5,axiom,
professor(victor),
file('PUZ131+1.p',unknown),
[] ).
cnf(6,axiom,
course(csc410),
file('PUZ131+1.p',unknown),
[] ).
cnf(11,axiom,
enrolled(michael,csc410),
file('PUZ131+1.p',unknown),
[] ).
cnf(12,axiom,
~ taughtby(michael,victor),
file('PUZ131+1.p',unknown),
[] ).
cnf(13,axiom,
equal(coordinatorof(csc410),victor),
file('PUZ131+1.p',unknown),
[] ).
cnf(19,axiom,
( ~ course(u)
| teaches(coordinatorof(u),u) ),
file('PUZ131+1.p',unknown),
[] ).
cnf(20,axiom,
( ~ course(u)
| ~ professor(v)
| ~ student(w)
| ~ enrolled(w,u)
| ~ teaches(v,u)
| taughtby(w,v) ),
file('PUZ131+1.p',unknown),
[] ).
cnf(21,plain,
( ~ student(michael)
| ~ professor(victor)
| ~ course(u)
| ~ teaches(victor,u)
| ~ enrolled(michael,u) ),
inference(res,[status(thm),theory(equality)],[20,12]),
[iquote('0:Res:20.5,12.0')] ).
cnf(22,plain,
( ~ course(u)
| ~ enrolled(michael,u)
| ~ teaches(victor,u) ),
inference(mrr,[status(thm)],[21,4,5]),
[iquote('0:MRR:21.0,21.1,4.0,5.0')] ).
cnf(36,plain,
( ~ course(csc410)
| teaches(victor,csc410) ),
inference(spr,[status(thm),theory(equality)],[13,19]),
[iquote('0:SpR:13.0,19.1')] ).
cnf(37,plain,
teaches(victor,csc410),
inference(ssi,[status(thm)],[36,6]),
[iquote('0:SSi:36.0,6.0')] ).
cnf(38,plain,
( ~ course(csc410)
| ~ teaches(victor,csc410) ),
inference(res,[status(thm),theory(equality)],[11,22]),
[iquote('0:Res:11.0,22.1')] ).
cnf(40,plain,
~ teaches(victor,csc410),
inference(ssi,[status(thm)],[38,6]),
[iquote('0:SSi:38.0,6.0')] ).
cnf(41,plain,
$false,
inference(mrr,[status(thm)],[40,37]),
[iquote('0:MRR:40.0,37.0')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.11 % Problem : PUZ131+1 : TPTP v8.1.0. Released v4.1.0.
% 0.10/0.12 % Command : run_spass %d %s
% 0.11/0.32 % Computer : n028.cluster.edu
% 0.11/0.32 % Model : x86_64 x86_64
% 0.11/0.32 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.32 % Memory : 8042.1875MB
% 0.11/0.32 % OS : Linux 3.10.0-693.el7.x86_64
% 0.11/0.33 % CPULimit : 300
% 0.11/0.33 % WCLimit : 600
% 0.11/0.33 % DateTime : Sun May 29 01:55:03 EDT 2022
% 0.11/0.33 % CPUTime :
% 0.18/0.43
% 0.18/0.43 SPASS V 3.9
% 0.18/0.43 SPASS beiseite: Proof found.
% 0.18/0.43 % SZS status Theorem
% 0.18/0.43 Problem: /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.18/0.43 SPASS derived 6 clauses, backtracked 0 clauses, performed 0 splits and kept 24 clauses.
% 0.18/0.43 SPASS allocated 103961 KBytes.
% 0.18/0.43 SPASS spent 0:00:00.09 on the problem.
% 0.18/0.43 0:00:00.04 for the input.
% 0.18/0.43 0:00:00.03 for the FLOTTER CNF translation.
% 0.18/0.43 0:00:00.00 for inferences.
% 0.18/0.43 0:00:00.00 for the backtracking.
% 0.18/0.43 0:00:00.00 for the reduction.
% 0.18/0.43
% 0.18/0.43
% 0.18/0.43 Here is a proof with depth 2, length 15 :
% 0.18/0.43 % SZS output start Refutation
% See solution above
% 0.18/0.43 Formulae used in the proof : michael_type victor_type csc410_type michael_enrolled_csc410_axiom teaching_conjecture victor_coordinator_csc410_axiom coordinator_teaches student_enrolled_taught
% 0.18/0.43
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