%------------------------------------------------------------------------------
% File : iProver---3.9.4
% Problem : PUZ028-6 : TPTP v9.3.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% Computer : n020.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Fri Sep 25 02:32:45 PM UTC 2026
% Result : Unsatisfiable 2.22s 1.23s
% Output : CNFRefutation 2.22s
% Verified :
% SZS Type : Refutation
% Derivation depth : 6
% Number of leaves : 39
% Syntax : Number of formulae : 277 ( 69 unt; 0 def)
% Number of atoms : 664 ( 0 equ)
% Maximal formula atoms : 5 ( 2 avg)
% Number of connectives : 812 ( 425 ~; 387 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 8 ( 3 avg)
% Maximal term depth : 1 ( 1 avg)
% Number of types : 1 ( 0 usr)
% Number of type conns : 0 ( 0 >; 0 *; 0 +; 0 <<)
% Number of predicates : 5 ( 4 usr; 1 prp; 0-2 aty)
% Number of functors : 6 ( 6 usr; 6 con; 0-0 aty)
% Number of variables : 65 ( 0 sgn 65 !; 0 ?; 53 :)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
person(n1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',person_1) ).
fof(f2,axiom,
person(n2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',person_2) ).
fof(f3,axiom,
person(n3),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',person_3) ).
fof(f4,axiom,
person(n4),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',person_4) ).
fof(f5,axiom,
person(n5),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',person_5) ).
fof(f6,axiom,
person(n6),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',person_6) ).
fof(f7,axiom,
not_equal(n1,n2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_1_2) ).
fof(f8,axiom,
not_equal(n1,n3),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_1_3) ).
fof(f9,axiom,
not_equal(n1,n4),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_1_4) ).
fof(f10,axiom,
not_equal(n1,n5),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_1_5) ).
fof(f11,axiom,
not_equal(n1,n6),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_1_6) ).
fof(f12,axiom,
not_equal(n2,n1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_2_1) ).
fof(f13,axiom,
not_equal(n2,n3),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_2_3) ).
fof(f14,axiom,
not_equal(n2,n4),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_2_4) ).
fof(f15,axiom,
not_equal(n2,n5),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_2_5) ).
fof(f16,axiom,
not_equal(n2,n6),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_2_6) ).
fof(f17,axiom,
not_equal(n3,n1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_3_1) ).
fof(f18,axiom,
not_equal(n3,n2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_3_2) ).
fof(f19,axiom,
not_equal(n3,n4),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_3_4) ).
fof(f20,axiom,
not_equal(n3,n5),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_3_5) ).
fof(f22,axiom,
not_equal(n4,n1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_4_1) ).
fof(f23,axiom,
not_equal(n4,n2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_4_2) ).
fof(f24,axiom,
not_equal(n4,n3),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_4_3) ).
fof(f25,axiom,
not_equal(n4,n5),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_4_5) ).
fof(f26,axiom,
not_equal(n4,n6),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_4_6) ).
fof(f27,axiom,
not_equal(n5,n1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_5_1) ).
fof(f28,axiom,
not_equal(n5,n2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_5_2) ).
fof(f29,axiom,
not_equal(n5,n3),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_5_3) ).
fof(f30,axiom,
not_equal(n5,n4),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_5_4) ).
fof(f32,axiom,
not_equal(n6,n1),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_6_1) ).
fof(f33,axiom,
not_equal(n6,n2),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_6_2) ).
fof(f34,axiom,
not_equal(n6,n3),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_6_3) ).
fof(f35,axiom,
not_equal(n6,n4),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_6_4) ).
fof(f36,axiom,
not_equal(n6,n5),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',not_equal_6_5) ).
fof(f37,axiom,
! [X0,X1] :
( ~ not_equal(X0,X1)
| ~ person(X1)
| ~ person(X0)
| not_familiar(X0,X1)
| familiar(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',familiar_or_not) ).
fof(f38,axiom,
! [X0,X1] :
( familiar(X1,X0)
| ~ familiar(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetry_of_familiar) ).
fof(f39,axiom,
! [X0,X1] :
( not_familiar(X1,X0)
| ~ not_familiar(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',symmetry_of_not_familiar) ).
fof(f40,negated_conjecture,
! [X2,X0,X1] :
( ~ familiar(X2,X0)
| ~ familiar(X1,X2)
| ~ familiar(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',three_familiar) ).
fof(f41,negated_conjecture,
! [X2,X0,X1] :
( ~ not_familiar(X2,X0)
| ~ not_familiar(X1,X2)
| ~ not_familiar(X0,X1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',three_not_familiar) ).
tcf(c_90,negated_conjecture,
! [X0: $i,X1: $i,X2: $i] :
( ~ familiar(X2,X0)
| ~ familiar(X1,X2)
| ~ familiar(X0,X1) ),
inference(cnf_transformation,[],[f40]) ).
tcf(c_91,negated_conjecture,
! [X0: $i,X1: $i,X2: $i] :
( ~ not_familiar(X2,X0)
| ~ not_familiar(X1,X2)
| ~ not_familiar(X0,X1) ),
inference(cnf_transformation,[],[f41]) ).
tcf(c_92,plain,
! [X0: $i,X1: $i] :
( familiar(X1,X0)
| ~ familiar(X0,X1) ),
inference(cnf_transformation,[],[f38]) ).
tcf(c_93,plain,
! [X0: $i,X1: $i] :
( not_familiar(X0,X1)
| familiar(X0,X1)
| ~ person(X1)
| ~ person(X0)
| ~ not_equal(X0,X1) ),
inference(cnf_transformation,[],[f37]) ).
tcf(c_94,plain,
! [X0: $i,X1: $i] :
( not_familiar(X1,X0)
| ~ not_familiar(X0,X1) ),
inference(cnf_transformation,[],[f39]) ).
tcf(c_95,plain,
person(n6),
inference(cnf_transformation,[],[f6]) ).
tcf(c_96,plain,
person(n5),
inference(cnf_transformation,[],[f5]) ).
tcf(c_97,plain,
person(n4),
inference(cnf_transformation,[],[f4]) ).
tcf(c_98,plain,
person(n3),
inference(cnf_transformation,[],[f3]) ).
tcf(c_99,plain,
person(n2),
inference(cnf_transformation,[],[f2]) ).
tcf(c_100,plain,
person(n1),
inference(cnf_transformation,[],[f1]) ).
tcf(c_101,plain,
not_equal(n6,n5),
inference(cnf_transformation,[],[f36]) ).
tcf(c_102,plain,
not_equal(n6,n4),
inference(cnf_transformation,[],[f35]) ).
tcf(c_103,plain,
not_equal(n6,n3),
inference(cnf_transformation,[],[f34]) ).
tcf(c_104,plain,
not_equal(n6,n2),
inference(cnf_transformation,[],[f33]) ).
tcf(c_105,plain,
not_equal(n6,n1),
inference(cnf_transformation,[],[f32]) ).
tcf(c_107,plain,
not_equal(n4,n6),
inference(cnf_transformation,[],[f26]) ).
tcf(c_109,plain,
not_equal(n2,n6),
inference(cnf_transformation,[],[f16]) ).
tcf(c_110,plain,
not_equal(n1,n6),
inference(cnf_transformation,[],[f11]) ).
tcf(c_111,plain,
not_equal(n5,n4),
inference(cnf_transformation,[],[f30]) ).
tcf(c_112,plain,
not_equal(n5,n3),
inference(cnf_transformation,[],[f29]) ).
tcf(c_113,plain,
not_equal(n5,n2),
inference(cnf_transformation,[],[f28]) ).
tcf(c_114,plain,
not_equal(n5,n1),
inference(cnf_transformation,[],[f27]) ).
tcf(c_115,plain,
not_equal(n4,n5),
inference(cnf_transformation,[],[f25]) ).
tcf(c_116,plain,
not_equal(n3,n5),
inference(cnf_transformation,[],[f20]) ).
tcf(c_117,plain,
not_equal(n2,n5),
inference(cnf_transformation,[],[f15]) ).
tcf(c_118,plain,
not_equal(n1,n5),
inference(cnf_transformation,[],[f10]) ).
tcf(c_119,plain,
not_equal(n4,n3),
inference(cnf_transformation,[],[f24]) ).
tcf(c_120,plain,
not_equal(n4,n2),
inference(cnf_transformation,[],[f23]) ).
tcf(c_121,plain,
not_equal(n4,n1),
inference(cnf_transformation,[],[f22]) ).
tcf(c_122,plain,
not_equal(n3,n4),
inference(cnf_transformation,[],[f19]) ).
tcf(c_123,plain,
not_equal(n2,n4),
inference(cnf_transformation,[],[f14]) ).
tcf(c_124,plain,
not_equal(n1,n4),
inference(cnf_transformation,[],[f9]) ).
tcf(c_125,plain,
not_equal(n3,n2),
inference(cnf_transformation,[],[f18]) ).
tcf(c_126,plain,
not_equal(n3,n1),
inference(cnf_transformation,[],[f17]) ).
tcf(c_127,plain,
not_equal(n2,n3),
inference(cnf_transformation,[],[f13]) ).
tcf(c_128,plain,
not_equal(n1,n3),
inference(cnf_transformation,[],[f8]) ).
tcf(c_129,plain,
not_equal(n2,n1),
inference(cnf_transformation,[],[f12]) ).
tcf(c_130,plain,
not_equal(n1,n2),
inference(cnf_transformation,[],[f7]) ).
tcf(c_236,plain,
( not_familiar(n1,n2)
| familiar(n1,n2)
| ~ person(n2)
| ~ person(n1) ),
inference(resolution,[status(thm)],[c_130,c_93]) ).
tcf(c_237,plain,
( not_familiar(n1,n2)
| familiar(n1,n2) ),
inference(global_subsumption_just,[status(thm)],[c_236,c_100,c_99,c_236]) ).
tcf(c_245,plain,
( not_familiar(n1,n3)
| familiar(n1,n3)
| ~ person(n3)
| ~ person(n1) ),
inference(resolution,[status(thm)],[c_128,c_93]) ).
tcf(c_246,plain,
( not_familiar(n1,n3)
| familiar(n1,n3) ),
inference(global_subsumption_just,[status(thm)],[c_245,c_100,c_98,c_245]) ).
tcf(c_254,plain,
( not_familiar(n1,n4)
| familiar(n1,n4)
| ~ person(n4)
| ~ person(n1) ),
inference(resolution,[status(thm)],[c_124,c_93]) ).
tcf(c_255,plain,
( not_familiar(n1,n4)
| familiar(n1,n4) ),
inference(global_subsumption_just,[status(thm)],[c_254,c_100,c_97,c_254]) ).
tcf(c_263,plain,
( not_familiar(n1,n5)
| familiar(n1,n5)
| ~ person(n5)
| ~ person(n1) ),
inference(resolution,[status(thm)],[c_118,c_93]) ).
tcf(c_264,plain,
( not_familiar(n1,n5)
| familiar(n1,n5) ),
inference(global_subsumption_just,[status(thm)],[c_263,c_100,c_96,c_263]) ).
tcf(c_272,plain,
( not_familiar(n1,n6)
| familiar(n1,n6)
| ~ person(n6)
| ~ person(n1) ),
inference(resolution,[status(thm)],[c_110,c_93]) ).
tcf(c_273,plain,
( not_familiar(n1,n6)
| familiar(n1,n6) ),
inference(global_subsumption_just,[status(thm)],[c_272,c_100,c_95,c_272]) ).
tcf(c_281,plain,
( not_familiar(n2,n1)
| familiar(n2,n1)
| ~ person(n2)
| ~ person(n1) ),
inference(resolution,[status(thm)],[c_129,c_93]) ).
tcf(c_282,plain,
( not_familiar(n2,n1)
| familiar(n2,n1) ),
inference(global_subsumption_just,[status(thm)],[c_281,c_100,c_99,c_281]) ).
tcf(c_290,plain,
( not_familiar(n2,n3)
| familiar(n2,n3)
| ~ person(n3)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c_127,c_93]) ).
tcf(c_291,plain,
( not_familiar(n2,n3)
| familiar(n2,n3) ),
inference(global_subsumption_just,[status(thm)],[c_290,c_99,c_98,c_290]) ).
tcf(c_299,plain,
( not_familiar(n2,n4)
| familiar(n2,n4)
| ~ person(n4)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c_123,c_93]) ).
tcf(c_300,plain,
( not_familiar(n2,n4)
| familiar(n2,n4) ),
inference(global_subsumption_just,[status(thm)],[c_299,c_99,c_97,c_299]) ).
tcf(c_308,plain,
( not_familiar(n2,n5)
| familiar(n2,n5)
| ~ person(n5)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c_117,c_93]) ).
tcf(c_309,plain,
( not_familiar(n2,n5)
| familiar(n2,n5) ),
inference(global_subsumption_just,[status(thm)],[c_308,c_99,c_96,c_308]) ).
tcf(c_317,plain,
( not_familiar(n2,n6)
| familiar(n2,n6)
| ~ person(n6)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c_109,c_93]) ).
tcf(c_318,plain,
( not_familiar(n2,n6)
| familiar(n2,n6) ),
inference(global_subsumption_just,[status(thm)],[c_317,c_99,c_95,c_317]) ).
tcf(c_326,plain,
( not_familiar(n3,n1)
| familiar(n3,n1)
| ~ person(n3)
| ~ person(n1) ),
inference(resolution,[status(thm)],[c_126,c_93]) ).
tcf(c_327,plain,
( not_familiar(n3,n1)
| familiar(n3,n1) ),
inference(global_subsumption_just,[status(thm)],[c_326,c_100,c_98,c_326]) ).
tcf(c_335,plain,
( not_familiar(n3,n2)
| familiar(n3,n2)
| ~ person(n3)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c_125,c_93]) ).
tcf(c_336,plain,
( not_familiar(n3,n2)
| familiar(n3,n2) ),
inference(global_subsumption_just,[status(thm)],[c_335,c_99,c_98,c_335]) ).
tcf(c_344,plain,
( not_familiar(n3,n4)
| familiar(n3,n4)
| ~ person(n4)
| ~ person(n3) ),
inference(resolution,[status(thm)],[c_122,c_93]) ).
tcf(c_345,plain,
( not_familiar(n3,n4)
| familiar(n3,n4) ),
inference(global_subsumption_just,[status(thm)],[c_344,c_98,c_97,c_344]) ).
tcf(c_353,plain,
( not_familiar(n3,n5)
| familiar(n3,n5)
| ~ person(n5)
| ~ person(n3) ),
inference(resolution,[status(thm)],[c_116,c_93]) ).
tcf(c_354,plain,
( not_familiar(n3,n5)
| familiar(n3,n5) ),
inference(global_subsumption_just,[status(thm)],[c_353,c_98,c_96,c_353]) ).
tcf(c_371,plain,
( not_familiar(n4,n1)
| familiar(n4,n1)
| ~ person(n4)
| ~ person(n1) ),
inference(resolution,[status(thm)],[c_121,c_93]) ).
tcf(c_372,plain,
( not_familiar(n4,n1)
| familiar(n4,n1) ),
inference(global_subsumption_just,[status(thm)],[c_371,c_100,c_97,c_371]) ).
tcf(c_380,plain,
( not_familiar(n4,n2)
| familiar(n4,n2)
| ~ person(n4)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c_120,c_93]) ).
tcf(c_381,plain,
( not_familiar(n4,n2)
| familiar(n4,n2) ),
inference(global_subsumption_just,[status(thm)],[c_380,c_99,c_97,c_380]) ).
tcf(c_389,plain,
( not_familiar(n4,n3)
| familiar(n4,n3)
| ~ person(n4)
| ~ person(n3) ),
inference(resolution,[status(thm)],[c_119,c_93]) ).
tcf(c_390,plain,
( not_familiar(n4,n3)
| familiar(n4,n3) ),
inference(global_subsumption_just,[status(thm)],[c_389,c_98,c_97,c_389]) ).
tcf(c_398,plain,
( not_familiar(n4,n5)
| familiar(n4,n5)
| ~ person(n5)
| ~ person(n4) ),
inference(resolution,[status(thm)],[c_115,c_93]) ).
tcf(c_399,plain,
( not_familiar(n4,n5)
| familiar(n4,n5) ),
inference(global_subsumption_just,[status(thm)],[c_398,c_97,c_96,c_398]) ).
tcf(c_407,plain,
( not_familiar(n4,n6)
| familiar(n4,n6)
| ~ person(n6)
| ~ person(n4) ),
inference(resolution,[status(thm)],[c_107,c_93]) ).
tcf(c_408,plain,
( not_familiar(n4,n6)
| familiar(n4,n6) ),
inference(global_subsumption_just,[status(thm)],[c_407,c_97,c_95,c_407]) ).
tcf(c_416,plain,
( not_familiar(n5,n1)
| familiar(n5,n1)
| ~ person(n5)
| ~ person(n1) ),
inference(resolution,[status(thm)],[c_114,c_93]) ).
tcf(c_417,plain,
( not_familiar(n5,n1)
| familiar(n5,n1) ),
inference(global_subsumption_just,[status(thm)],[c_416,c_100,c_96,c_416]) ).
tcf(c_425,plain,
( not_familiar(n5,n2)
| familiar(n5,n2)
| ~ person(n5)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c_113,c_93]) ).
tcf(c_426,plain,
( not_familiar(n5,n2)
| familiar(n5,n2) ),
inference(global_subsumption_just,[status(thm)],[c_425,c_99,c_96,c_425]) ).
tcf(c_434,plain,
( not_familiar(n5,n3)
| familiar(n5,n3)
| ~ person(n5)
| ~ person(n3) ),
inference(resolution,[status(thm)],[c_112,c_93]) ).
tcf(c_435,plain,
( not_familiar(n5,n3)
| familiar(n5,n3) ),
inference(global_subsumption_just,[status(thm)],[c_434,c_98,c_96,c_434]) ).
tcf(c_443,plain,
( not_familiar(n5,n4)
| familiar(n5,n4)
| ~ person(n5)
| ~ person(n4) ),
inference(resolution,[status(thm)],[c_111,c_93]) ).
tcf(c_444,plain,
( not_familiar(n5,n4)
| familiar(n5,n4) ),
inference(global_subsumption_just,[status(thm)],[c_443,c_97,c_96,c_443]) ).
tcf(c_461,plain,
( not_familiar(n6,n1)
| familiar(n6,n1)
| ~ person(n6)
| ~ person(n1) ),
inference(resolution,[status(thm)],[c_105,c_93]) ).
tcf(c_462,plain,
( not_familiar(n6,n1)
| familiar(n6,n1) ),
inference(global_subsumption_just,[status(thm)],[c_461,c_100,c_95,c_461]) ).
tcf(c_470,plain,
( not_familiar(n6,n2)
| familiar(n6,n2)
| ~ person(n6)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c_104,c_93]) ).
tcf(c_471,plain,
( not_familiar(n6,n2)
| familiar(n6,n2) ),
inference(global_subsumption_just,[status(thm)],[c_470,c_99,c_95,c_470]) ).
tcf(c_479,plain,
( not_familiar(n6,n3)
| familiar(n6,n3)
| ~ person(n6)
| ~ person(n3) ),
inference(resolution,[status(thm)],[c_103,c_93]) ).
tcf(c_480,plain,
( not_familiar(n6,n3)
| familiar(n6,n3) ),
inference(global_subsumption_just,[status(thm)],[c_479,c_98,c_95,c_479]) ).
tcf(c_488,plain,
( not_familiar(n6,n4)
| familiar(n6,n4)
| ~ person(n6)
| ~ person(n4) ),
inference(resolution,[status(thm)],[c_102,c_93]) ).
tcf(c_489,plain,
( not_familiar(n6,n4)
| familiar(n6,n4) ),
inference(global_subsumption_just,[status(thm)],[c_488,c_97,c_95,c_488]) ).
tcf(c_497,plain,
( not_familiar(n6,n5)
| familiar(n6,n5)
| ~ person(n6)
| ~ person(n5) ),
inference(resolution,[status(thm)],[c_101,c_93]) ).
tcf(c_498,plain,
( not_familiar(n6,n5)
| familiar(n6,n5) ),
inference(global_subsumption_just,[status(thm)],[c_497,c_96,c_95,c_497]) ).
tcf(c_712,plain,
! [X0: $i] :
( ~ familiar(n2,n3)
| ~ familiar(n3,X0)
| ~ familiar(X0,n2) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_714,plain,
! [X0: $i] :
( ~ familiar(n2,n4)
| ~ familiar(n4,X0)
| ~ familiar(X0,n2) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_715,plain,
( ~ familiar(n4,n1)
| ~ familiar(n2,n4)
| ~ familiar(n1,n2) ),
inference(instantiation,[status(thm)],[c_714]) ).
tcf(c_716,plain,
! [X0: $i] :
( ~ familiar(n2,n5)
| ~ familiar(n5,X0)
| ~ familiar(X0,n2) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_717,plain,
( ~ familiar(n5,n1)
| ~ familiar(n2,n5)
| ~ familiar(n1,n2) ),
inference(instantiation,[status(thm)],[c_716]) ).
tcf(c_718,plain,
! [X0: $i] :
( ~ familiar(n2,n6)
| ~ familiar(n6,X0)
| ~ familiar(X0,n2) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_719,plain,
( ~ familiar(n6,n1)
| ~ familiar(n2,n6)
| ~ familiar(n1,n2) ),
inference(instantiation,[status(thm)],[c_718]) ).
tcf(c_721,plain,
! [X0: $i] :
( ~ familiar(n3,n2)
| ~ familiar(n2,X0)
| ~ familiar(X0,n3) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_722,plain,
( ~ familiar(n3,n2)
| ~ familiar(n2,n1)
| ~ familiar(n1,n3) ),
inference(instantiation,[status(thm)],[c_721]) ).
tcf(c_723,plain,
! [X0: $i] :
( ~ familiar(n3,n4)
| ~ familiar(n4,X0)
| ~ familiar(X0,n3) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_724,plain,
( ~ familiar(n4,n1)
| ~ familiar(n3,n4)
| ~ familiar(n1,n3) ),
inference(instantiation,[status(thm)],[c_723]) ).
tcf(c_725,plain,
! [X0: $i] :
( ~ familiar(n3,n5)
| ~ familiar(n5,X0)
| ~ familiar(X0,n3) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_726,plain,
( ~ familiar(n5,n1)
| ~ familiar(n3,n5)
| ~ familiar(n1,n3) ),
inference(instantiation,[status(thm)],[c_725]) ).
tcf(c_727,plain,
! [X0: $i] :
( ~ familiar(n3,n6)
| ~ familiar(n6,X0)
| ~ familiar(X0,n3) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_728,plain,
( ~ familiar(n6,n1)
| ~ familiar(n3,n6)
| ~ familiar(n1,n3) ),
inference(instantiation,[status(thm)],[c_727]) ).
tcf(c_730,plain,
! [X0: $i] :
( ~ familiar(n4,n2)
| ~ familiar(n2,X0)
| ~ familiar(X0,n4) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_731,plain,
( ~ familiar(n4,n2)
| ~ familiar(n2,n1)
| ~ familiar(n1,n4) ),
inference(instantiation,[status(thm)],[c_730]) ).
tcf(c_732,plain,
! [X0: $i] :
( ~ familiar(n4,n3)
| ~ familiar(n3,X0)
| ~ familiar(X0,n4) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_733,plain,
( ~ familiar(n4,n3)
| ~ familiar(n3,n1)
| ~ familiar(n1,n4) ),
inference(instantiation,[status(thm)],[c_732]) ).
tcf(c_734,plain,
! [X0: $i] :
( ~ familiar(n4,n5)
| ~ familiar(n5,X0)
| ~ familiar(X0,n4) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_735,plain,
( ~ familiar(n5,n1)
| ~ familiar(n4,n5)
| ~ familiar(n1,n4) ),
inference(instantiation,[status(thm)],[c_734]) ).
tcf(c_736,plain,
! [X0: $i] :
( ~ familiar(n4,n6)
| ~ familiar(n6,X0)
| ~ familiar(X0,n4) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_737,plain,
( ~ familiar(n6,n1)
| ~ familiar(n4,n6)
| ~ familiar(n1,n4) ),
inference(instantiation,[status(thm)],[c_736]) ).
tcf(c_739,plain,
! [X0: $i] :
( ~ familiar(n5,n2)
| ~ familiar(n2,X0)
| ~ familiar(X0,n5) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_740,plain,
( ~ familiar(n5,n2)
| ~ familiar(n2,n1)
| ~ familiar(n1,n5) ),
inference(instantiation,[status(thm)],[c_739]) ).
tcf(c_741,plain,
! [X0: $i] :
( ~ familiar(n5,n3)
| ~ familiar(n3,X0)
| ~ familiar(X0,n5) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_742,plain,
( ~ familiar(n5,n3)
| ~ familiar(n3,n1)
| ~ familiar(n1,n5) ),
inference(instantiation,[status(thm)],[c_741]) ).
tcf(c_743,plain,
( familiar(n2,n1)
| ~ familiar(n1,n2) ),
inference(instantiation,[status(thm)],[c_92]) ).
tcf(c_745,plain,
( familiar(n4,n1)
| ~ familiar(n1,n4) ),
inference(instantiation,[status(thm)],[c_92]) ).
tcf(c_748,plain,
( familiar(n1,n2)
| ~ familiar(n2,n1) ),
inference(instantiation,[status(thm)],[c_92]) ).
tcf(c_750,plain,
( familiar(n4,n2)
| ~ familiar(n2,n4) ),
inference(instantiation,[status(thm)],[c_92]) ).
tcf(c_751,plain,
( familiar(n5,n2)
| ~ familiar(n2,n5) ),
inference(instantiation,[status(thm)],[c_92]) ).
tcf(c_752,plain,
( familiar(n6,n2)
| ~ familiar(n2,n6) ),
inference(instantiation,[status(thm)],[c_92]) ).
tcf(c_758,plain,
( familiar(n1,n4)
| ~ familiar(n4,n1) ),
inference(instantiation,[status(thm)],[c_92]) ).
tcf(c_760,plain,
( familiar(n3,n4)
| ~ familiar(n4,n3) ),
inference(instantiation,[status(thm)],[c_92]) ).
tcf(c_764,plain,
( familiar(n2,n5)
| ~ familiar(n5,n2) ),
inference(instantiation,[status(thm)],[c_92]) ).
tcf(c_766,plain,
( familiar(n4,n5)
| ~ familiar(n5,n4) ),
inference(instantiation,[status(thm)],[c_92]) ).
tcf(c_767,plain,
! [X0: $i] :
( ~ familiar(n5,n4)
| ~ familiar(n4,X0)
| ~ familiar(X0,n5) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_768,plain,
( ~ familiar(n5,n4)
| ~ familiar(n4,n1)
| ~ familiar(n1,n5) ),
inference(instantiation,[status(thm)],[c_767]) ).
tcf(c_770,plain,
! [X0: $i] :
( ~ familiar(n5,n6)
| ~ familiar(n6,X0)
| ~ familiar(X0,n5) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_771,plain,
( ~ familiar(n6,n1)
| ~ familiar(n5,n6)
| ~ familiar(n1,n5) ),
inference(instantiation,[status(thm)],[c_770]) ).
tcf(c_775,plain,
! [X0: $i] :
( ~ familiar(n6,n2)
| ~ familiar(n2,X0)
| ~ familiar(X0,n6) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_776,plain,
( ~ familiar(n6,n2)
| ~ familiar(n2,n1)
| ~ familiar(n1,n6) ),
inference(instantiation,[status(thm)],[c_775]) ).
tcf(c_777,plain,
( familiar(n3,n6)
| ~ familiar(n6,n3) ),
inference(instantiation,[status(thm)],[c_92]) ).
tcf(c_780,plain,
( familiar(n4,n6)
| ~ familiar(n6,n4) ),
inference(instantiation,[status(thm)],[c_92]) ).
tcf(c_781,plain,
! [X0: $i] :
( ~ familiar(n6,n4)
| ~ familiar(n4,X0)
| ~ familiar(X0,n6) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_782,plain,
( ~ familiar(n6,n4)
| ~ familiar(n4,n1)
| ~ familiar(n1,n6) ),
inference(instantiation,[status(thm)],[c_781]) ).
tcf(c_783,plain,
( familiar(n5,n6)
| ~ familiar(n6,n5) ),
inference(instantiation,[status(thm)],[c_92]) ).
tcf(c_784,plain,
! [X0: $i] :
( ~ familiar(n6,n5)
| ~ familiar(n5,X0)
| ~ familiar(X0,n6) ),
inference(instantiation,[status(thm)],[c_90]) ).
tcf(c_785,plain,
( ~ familiar(n6,n5)
| ~ familiar(n5,n1)
| ~ familiar(n1,n6) ),
inference(instantiation,[status(thm)],[c_784]) ).
tcf(c_791,plain,
( ~ familiar(n4,n2)
| ~ familiar(n3,n4)
| ~ familiar(n2,n3) ),
inference(instantiation,[status(thm)],[c_712]) ).
tcf(c_792,plain,
( ~ familiar(n5,n2)
| ~ familiar(n3,n5)
| ~ familiar(n2,n3) ),
inference(instantiation,[status(thm)],[c_712]) ).
tcf(c_793,plain,
( ~ familiar(n6,n2)
| ~ familiar(n3,n6)
| ~ familiar(n2,n3) ),
inference(instantiation,[status(thm)],[c_712]) ).
tcf(c_795,plain,
( ~ familiar(n4,n3)
| ~ familiar(n3,n2)
| ~ familiar(n2,n4) ),
inference(instantiation,[status(thm)],[c_714]) ).
tcf(c_796,plain,
( ~ familiar(n5,n2)
| ~ familiar(n4,n5)
| ~ familiar(n2,n4) ),
inference(instantiation,[status(thm)],[c_714]) ).
tcf(c_797,plain,
( ~ familiar(n6,n2)
| ~ familiar(n4,n6)
| ~ familiar(n2,n4) ),
inference(instantiation,[status(thm)],[c_714]) ).
tcf(c_799,plain,
( ~ familiar(n5,n4)
| ~ familiar(n4,n2)
| ~ familiar(n2,n5) ),
inference(instantiation,[status(thm)],[c_716]) ).
tcf(c_801,plain,
( ~ familiar(n6,n2)
| ~ familiar(n5,n6)
| ~ familiar(n2,n5) ),
inference(instantiation,[status(thm)],[c_716]) ).
tcf(c_802,plain,
( ~ familiar(n6,n3)
| ~ familiar(n3,n2)
| ~ familiar(n2,n6) ),
inference(instantiation,[status(thm)],[c_718]) ).
tcf(c_803,plain,
( ~ familiar(n6,n4)
| ~ familiar(n4,n2)
| ~ familiar(n2,n6) ),
inference(instantiation,[status(thm)],[c_718]) ).
tcf(c_804,plain,
( ~ familiar(n6,n5)
| ~ familiar(n5,n2)
| ~ familiar(n2,n6) ),
inference(instantiation,[status(thm)],[c_718]) ).
tcf(c_812,plain,
( ~ familiar(n5,n3)
| ~ familiar(n4,n5)
| ~ familiar(n3,n4) ),
inference(instantiation,[status(thm)],[c_723]) ).
tcf(c_813,plain,
( ~ familiar(n6,n3)
| ~ familiar(n4,n6)
| ~ familiar(n3,n4) ),
inference(instantiation,[status(thm)],[c_723]) ).
tcf(c_817,plain,
( ~ familiar(n6,n3)
| ~ familiar(n5,n6)
| ~ familiar(n3,n5) ),
inference(instantiation,[status(thm)],[c_725]) ).
tcf(c_819,plain,
( ~ familiar(n6,n4)
| ~ familiar(n4,n3)
| ~ familiar(n3,n6) ),
inference(instantiation,[status(thm)],[c_727]) ).
tcf(c_831,plain,
! [X0: $i] :
( ~ not_familiar(n1,n2)
| ~ not_familiar(n2,X0)
| ~ not_familiar(X0,n1) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_837,plain,
( ~ familiar(n6,n4)
| ~ familiar(n5,n6)
| ~ familiar(n4,n5) ),
inference(instantiation,[status(thm)],[c_734]) ).
tcf(c_840,plain,
( ~ familiar(n6,n5)
| ~ familiar(n5,n4)
| ~ familiar(n4,n6) ),
inference(instantiation,[status(thm)],[c_736]) ).
tcf(c_867,plain,
! [X0: $i] :
( ~ not_familiar(n2,n1)
| ~ not_familiar(n1,X0)
| ~ not_familiar(X0,n2) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_869,plain,
! [X0: $i] :
( ~ not_familiar(n2,n3)
| ~ not_familiar(n3,X0)
| ~ not_familiar(X0,n2) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_872,plain,
! [X0: $i] :
( ~ not_familiar(n2,n4)
| ~ not_familiar(n4,X0)
| ~ not_familiar(X0,n2) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_875,plain,
! [X0: $i] :
( ~ not_familiar(n2,n5)
| ~ not_familiar(n5,X0)
| ~ not_familiar(X0,n2) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_880,plain,
! [X0: $i] :
( ~ not_familiar(n3,n2)
| ~ not_familiar(n2,X0)
| ~ not_familiar(X0,n3) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_883,plain,
! [X0: $i] :
( ~ not_familiar(n3,n4)
| ~ not_familiar(n4,X0)
| ~ not_familiar(X0,n3) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_884,plain,
( ~ not_familiar(n4,n1)
| ~ not_familiar(n3,n4)
| ~ not_familiar(n1,n3) ),
inference(instantiation,[status(thm)],[c_883]) ).
tcf(c_886,plain,
! [X0: $i] :
( ~ not_familiar(n3,n5)
| ~ not_familiar(n5,X0)
| ~ not_familiar(X0,n3) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_887,plain,
( ~ not_familiar(n5,n1)
| ~ not_familiar(n3,n5)
| ~ not_familiar(n1,n3) ),
inference(instantiation,[status(thm)],[c_886]) ).
tcf(c_888,plain,
( not_familiar(n1,n4)
| ~ not_familiar(n4,n1) ),
inference(instantiation,[status(thm)],[c_94]) ).
tcf(c_891,plain,
! [X0: $i] :
( ~ not_familiar(n4,n2)
| ~ not_familiar(n2,X0)
| ~ not_familiar(X0,n4) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_893,plain,
( not_familiar(n3,n4)
| ~ not_familiar(n4,n3) ),
inference(instantiation,[status(thm)],[c_94]) ).
tcf(c_894,plain,
! [X0: $i] :
( ~ not_familiar(n4,n3)
| ~ not_familiar(n3,X0)
| ~ not_familiar(X0,n4) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_895,plain,
( ~ not_familiar(n4,n3)
| ~ not_familiar(n3,n1)
| ~ not_familiar(n1,n4) ),
inference(instantiation,[status(thm)],[c_894]) ).
tcf(c_897,plain,
! [X0: $i] :
( ~ not_familiar(n4,n5)
| ~ not_familiar(n5,X0)
| ~ not_familiar(X0,n4) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_898,plain,
( ~ not_familiar(n5,n1)
| ~ not_familiar(n4,n5)
| ~ not_familiar(n1,n4) ),
inference(instantiation,[status(thm)],[c_897]) ).
tcf(c_908,plain,
! [X0: $i] :
( ~ not_familiar(n1,n6)
| ~ not_familiar(n6,X0)
| ~ not_familiar(X0,n1) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_909,plain,
( not_familiar(n2,n5)
| ~ not_familiar(n5,n2) ),
inference(instantiation,[status(thm)],[c_94]) ).
tcf(c_910,plain,
! [X0: $i] :
( ~ not_familiar(n5,n2)
| ~ not_familiar(n2,X0)
| ~ not_familiar(X0,n5) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_911,plain,
( ~ not_familiar(n5,n2)
| ~ not_familiar(n2,n1)
| ~ not_familiar(n1,n5) ),
inference(instantiation,[status(thm)],[c_910]) ).
tcf(c_913,plain,
! [X0: $i] :
( ~ not_familiar(n5,n3)
| ~ not_familiar(n3,X0)
| ~ not_familiar(X0,n5) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_914,plain,
( ~ not_familiar(n5,n3)
| ~ not_familiar(n3,n1)
| ~ not_familiar(n1,n5) ),
inference(instantiation,[status(thm)],[c_913]) ).
tcf(c_921,plain,
( not_familiar(n4,n5)
| ~ not_familiar(n5,n4) ),
inference(instantiation,[status(thm)],[c_94]) ).
tcf(c_922,plain,
! [X0: $i] :
( ~ not_familiar(n5,n4)
| ~ not_familiar(n4,X0)
| ~ not_familiar(X0,n5) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_923,plain,
( ~ not_familiar(n5,n4)
| ~ not_familiar(n4,n1)
| ~ not_familiar(n1,n5) ),
inference(instantiation,[status(thm)],[c_922]) ).
tcf(c_940,plain,
! [X0: $i] :
( familiar(n1,n2)
| ~ not_familiar(n2,X0)
| ~ not_familiar(X0,n1) ),
inference(superposition,[status(thm)],[c_237,c_91]) ).
tcf(c_980,plain,
! [X0: $i] :
( familiar(n1,n3)
| ~ not_familiar(n3,X0)
| ~ not_familiar(X0,n1) ),
inference(superposition,[status(thm)],[c_246,c_91]) ).
tcf(c_1026,plain,
! [X0: $i] :
( familiar(n1,n4)
| ~ not_familiar(n4,X0)
| ~ not_familiar(X0,n1) ),
inference(superposition,[status(thm)],[c_255,c_91]) ).
tcf(c_1045,plain,
( not_familiar(n1,n6)
| ~ not_familiar(n6,n1) ),
inference(instantiation,[status(thm)],[c_94]) ).
tcf(c_1046,plain,
! [X0: $i] :
( ~ not_familiar(n6,n1)
| ~ not_familiar(n1,X0)
| ~ not_familiar(X0,n6) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_1137,plain,
( ~ not_familiar(n6,n1)
| ~ not_familiar(n2,n6)
| ~ not_familiar(n1,n2) ),
inference(instantiation,[status(thm)],[c_831]) ).
tcf(c_1150,plain,
( not_familiar(n2,n1)
| familiar(n1,n2) ),
inference(superposition,[status(thm)],[c_237,c_94]) ).
tcf(c_1151,plain,
( not_familiar(n3,n1)
| familiar(n1,n3) ),
inference(superposition,[status(thm)],[c_246,c_94]) ).
tcf(c_1153,plain,
( not_familiar(n5,n1)
| familiar(n1,n5) ),
inference(superposition,[status(thm)],[c_264,c_94]) ).
tcf(c_1179,plain,
( ~ not_familiar(n6,n2)
| ~ not_familiar(n2,n1)
| ~ not_familiar(n1,n6) ),
inference(instantiation,[status(thm)],[c_867]) ).
tcf(c_1182,plain,
( ~ not_familiar(n5,n2)
| ~ not_familiar(n3,n5)
| ~ not_familiar(n2,n3) ),
inference(instantiation,[status(thm)],[c_869]) ).
tcf(c_1184,plain,
( ~ not_familiar(n4,n3)
| ~ not_familiar(n3,n2)
| ~ not_familiar(n2,n4) ),
inference(instantiation,[status(thm)],[c_872]) ).
tcf(c_1185,plain,
( ~ not_familiar(n5,n2)
| ~ not_familiar(n4,n5)
| ~ not_familiar(n2,n4) ),
inference(instantiation,[status(thm)],[c_872]) ).
tcf(c_1188,plain,
( ~ not_familiar(n5,n4)
| ~ not_familiar(n4,n2)
| ~ not_familiar(n2,n5) ),
inference(instantiation,[status(thm)],[c_875]) ).
tcf(c_1194,plain,
( ~ not_familiar(n5,n3)
| ~ not_familiar(n4,n5)
| ~ not_familiar(n3,n4) ),
inference(instantiation,[status(thm)],[c_883]) ).
tcf(c_1197,plain,
( ~ not_familiar(n5,n4)
| ~ not_familiar(n4,n3)
| ~ not_familiar(n3,n5) ),
inference(instantiation,[status(thm)],[c_886]) ).
tcf(c_1330,plain,
( ~ not_familiar(n6,n1)
| ~ not_familiar(n3,n6)
| ~ not_familiar(n1,n3) ),
inference(instantiation,[status(thm)],[c_1046]) ).
tcf(c_1336,plain,
( not_familiar(n6,n1)
| familiar(n1,n6) ),
inference(superposition,[status(thm)],[c_273,c_94]) ).
tcf(c_1365,plain,
( ~ not_familiar(n6,n3)
| ~ not_familiar(n3,n1)
| ~ not_familiar(n1,n6) ),
inference(instantiation,[status(thm)],[c_908]) ).
tcf(c_1393,plain,
! [X0: $i] :
( ~ not_familiar(n5,n6)
| ~ not_familiar(n6,X0)
| ~ not_familiar(X0,n5) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_1394,plain,
( ~ not_familiar(n6,n1)
| ~ not_familiar(n5,n6)
| ~ not_familiar(n1,n5) ),
inference(instantiation,[status(thm)],[c_1393]) ).
tcf(c_1395,plain,
( ~ not_familiar(n6,n4)
| ~ not_familiar(n5,n6)
| ~ not_familiar(n4,n5) ),
inference(instantiation,[status(thm)],[c_897]) ).
tcf(c_1396,plain,
( ~ not_familiar(n6,n3)
| ~ not_familiar(n5,n6)
| ~ not_familiar(n3,n5) ),
inference(instantiation,[status(thm)],[c_886]) ).
tcf(c_1397,plain,
( ~ not_familiar(n6,n2)
| ~ not_familiar(n5,n6)
| ~ not_familiar(n2,n5) ),
inference(instantiation,[status(thm)],[c_875]) ).
tcf(c_1402,plain,
( not_familiar(n1,n2)
| familiar(n2,n1) ),
inference(superposition,[status(thm)],[c_282,c_94]) ).
tcf(c_1405,plain,
( familiar(n2,n1)
| familiar(n1,n4)
| ~ not_familiar(n4,n2) ),
inference(superposition,[status(thm)],[c_282,c_1026]) ).
tcf(c_1406,plain,
( familiar(n2,n1)
| familiar(n1,n3)
| ~ not_familiar(n3,n2) ),
inference(superposition,[status(thm)],[c_282,c_980]) ).
tcf(c_1444,plain,
( not_familiar(n3,n6)
| ~ not_familiar(n6,n3) ),
inference(instantiation,[status(thm)],[c_94]) ).
tcf(c_1446,plain,
( not_familiar(n5,n6)
| ~ not_familiar(n6,n5) ),
inference(instantiation,[status(thm)],[c_94]) ).
tcf(c_1447,plain,
! [X0: $i] :
( ~ not_familiar(n6,n5)
| ~ not_familiar(n5,X0)
| ~ not_familiar(X0,n6) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_1448,plain,
( ~ not_familiar(n6,n5)
| ~ not_familiar(n5,n1)
| ~ not_familiar(n1,n6) ),
inference(instantiation,[status(thm)],[c_1447]) ).
tcf(c_1449,plain,
( ~ not_familiar(n6,n5)
| ~ not_familiar(n5,n3)
| ~ not_familiar(n3,n6) ),
inference(instantiation,[status(thm)],[c_913]) ).
tcf(c_1450,plain,
( ~ not_familiar(n6,n5)
| ~ not_familiar(n5,n2)
| ~ not_familiar(n2,n6) ),
inference(instantiation,[status(thm)],[c_910]) ).
tcf(c_1517,plain,
( ~ not_familiar(n6,n1)
| ~ not_familiar(n4,n6)
| ~ not_familiar(n1,n4) ),
inference(instantiation,[status(thm)],[c_1046]) ).
tcf(c_1539,plain,
( ~ not_familiar(n6,n4)
| ~ not_familiar(n4,n2)
| ~ not_familiar(n2,n6) ),
inference(instantiation,[status(thm)],[c_891]) ).
tcf(c_1540,plain,
( not_familiar(n4,n6)
| ~ not_familiar(n6,n4) ),
inference(instantiation,[status(thm)],[c_94]) ).
tcf(c_1541,plain,
! [X0: $i] :
( ~ not_familiar(n6,n4)
| ~ not_familiar(n4,X0)
| ~ not_familiar(X0,n6) ),
inference(instantiation,[status(thm)],[c_91]) ).
tcf(c_1542,plain,
( ~ not_familiar(n6,n4)
| ~ not_familiar(n4,n1)
| ~ not_familiar(n1,n6) ),
inference(instantiation,[status(thm)],[c_1541]) ).
tcf(c_1554,plain,
( not_familiar(n3,n2)
| familiar(n2,n3) ),
inference(superposition,[status(thm)],[c_291,c_94]) ).
tcf(c_1556,plain,
( familiar(n2,n3)
| familiar(n1,n2)
| ~ not_familiar(n3,n1) ),
inference(superposition,[status(thm)],[c_291,c_940]) ).
tcf(c_1596,plain,
( ~ not_familiar(n6,n2)
| ~ not_familiar(n4,n6)
| ~ not_familiar(n2,n4) ),
inference(instantiation,[status(thm)],[c_872]) ).
tcf(c_1781,plain,
( not_familiar(n4,n2)
| familiar(n2,n4) ),
inference(superposition,[status(thm)],[c_300,c_94]) ).
tcf(c_1783,plain,
( familiar(n2,n4)
| familiar(n1,n2)
| ~ not_familiar(n4,n1) ),
inference(superposition,[status(thm)],[c_300,c_940]) ).
tcf(c_1848,plain,
( ~ not_familiar(n6,n2)
| ~ not_familiar(n3,n6)
| ~ not_familiar(n2,n3) ),
inference(instantiation,[status(thm)],[c_869]) ).
tcf(c_1865,plain,
( ~ not_familiar(n6,n5)
| ~ not_familiar(n5,n4)
| ~ not_familiar(n4,n6) ),
inference(instantiation,[status(thm)],[c_922]) ).
tcf(c_1871,plain,
( ~ not_familiar(n6,n3)
| ~ not_familiar(n4,n6)
| ~ not_familiar(n3,n4) ),
inference(instantiation,[status(thm)],[c_883]) ).
tcf(c_1872,plain,
( ~ not_familiar(n6,n3)
| ~ not_familiar(n3,n2)
| ~ not_familiar(n2,n6) ),
inference(instantiation,[status(thm)],[c_880]) ).
tcf(c_1879,plain,
( not_familiar(n5,n2)
| familiar(n2,n5) ),
inference(superposition,[status(thm)],[c_309,c_94]) ).
tcf(c_1881,plain,
( familiar(n2,n5)
| familiar(n1,n2)
| ~ not_familiar(n5,n1) ),
inference(superposition,[status(thm)],[c_309,c_940]) ).
tcf(c_2056,plain,
$false,
inference(prop_impl_just,[status(thm)],[c_1881,c_1879,c_1871,c_1872,c_1865,c_1848,c_1783,c_1781,c_1596,c_1556,c_1554,c_1542,c_1540,c_1539,c_1517,c_1449,c_1450,c_1448,c_1446,c_1444,c_1405,c_1406,c_1402,c_1395,c_1396,c_1397,c_1394,c_1365,c_1336,c_1330,c_1197,c_1194,c_1188,c_1185,c_1184,c_1182,c_1179,c_1150,c_1151,c_1153,c_1137,c_1045,c_923,c_921,c_914,c_911,c_909,c_898,c_895,c_893,c_888,c_887,c_884,c_840,c_837,c_819,c_817,c_813,c_812,c_804,c_803,c_802,c_801,c_799,c_797,c_796,c_795,c_793,c_792,c_791,c_785,c_783,c_782,c_780,c_777,c_776,c_771,c_768,c_766,c_764,c_760,c_758,c_752,c_751,c_750,c_748,c_745,c_743,c_742,c_740,c_737,c_735,c_733,c_731,c_728,c_726,c_724,c_722,c_719,c_717,c_715,c_498,c_489,c_480,c_471,c_462,c_444,c_435,c_426,c_417,c_408,c_399,c_390,c_381,c_372,c_354,c_345,c_336,c_327,c_318,c_300,c_291,c_282,c_273,c_264,c_246,c_237]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ028-6 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.04 % Command : run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.11/0.37 % Computer : n020.cluster.edu
% 0.11/0.37 % Model : x86_64 x86_64
% 0.11/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.37 % Memory : 8046.5625MB
% 0.11/0.37 % OS : Linux 6.8.0-71-generic
% 0.11/0.37 % CPULimit : 300
% 0.11/0.37 % WCLimit : 300
% 0.11/0.37 % DateTime : Thu Sep 24 06:42:03 UTC 2026
% 0.11/0.37 % CPUTime :
% 0.11/0.37 Running run_iprover 300 /export/starexec/sandbox2/benchmark/theBenchmark.p THM
% 0.11/0.41 Running EPR theorem proving
% 0.11/0.41 Running: /export/starexec/sandbox2/solver/bin/iproveropt-multi-core.sh -d -n -l tptp -s epr_schedule -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.11/0.42
% 0.11/0.42 % ======== iProver multi-core TPTP/SMT =========
% 0.11/0.42
% 0.11/0.42 % Detected problem language: tptp
% 0.11/0.43 % Proving...
% 2.22/1.23 % SZS status Started for theBenchmark.p
% 2.22/1.23 % SZS status Unsatisfiable for theBenchmark.p
% 2.22/1.23
% 2.22/1.23 %---------------- iProver v3.9.4 (pre CASC 2026/SMT-COMP 2026) ----------------%
% 2.22/1.23
% 2.22/1.23 % ------ iProver source info
% 2.22/1.23
% 2.22/1.23 % git: date: 2026-07-19 20:42:38 +0200
% 2.22/1.23 % git: sha1: 804e7d636a263075307957e923b7a22a4035de61
% 2.22/1.23 % git: non_committed_changes: false
% 2.22/1.23
% 2.22/1.23 % ------ Parsing...% successful
% 2.22/1.23
% 2.22/1.23
% 2.22/1.23 % ------ Clausification by vclausify_rel & Parsing by iProver...% ------ preprocesses with Option_epr_non_horn_non_eq
% 2.22/1.23 %
% 2.22/1.23
% 2.22/1.23 % ------ Preprocessing... sf_s rm: 0 0s sf_e pe_s pe:1:0s pe:2:0s pe_e sf_s rm: 0 0s sf_e pe_s pe_e %
% 2.22/1.23
% 2.22/1.23 % ------ Preprocessing...% ------ preprocesses with Option_epr_non_horn_non_eq
% 2.22/1.23 gs_s sp: 0 0s gs_e snvd_s sp: 0 0s snvd_e
% 2.22/1.23 % ------ Proving...
% 2.22/1.23 % ------ Problem Properties
% 2.22/1.23
% 2.22/1.23 %
% 2.22/1.23 % clauses 34
% 2.22/1.23 % conjectures 2
% 2.22/1.23 % EPR 34
% 2.22/1.23 % Horn 4
% 2.22/1.23 % unary 0
% 2.22/1.23 % binary 32
% 2.22/1.23 % lits 70
% 2.22/1.23 % lits eq 0
% 2.22/1.23 % fd_pure 0
% 2.22/1.23 % fd_pseudo 0
% 2.22/1.23 % fd_cond 0
% 2.22/1.23 % fd_pseudo_cond 0
% 2.22/1.23 % AC symbols 0
% 2.22/1.23
% 2.22/1.23 % ------ Schedule EPR non Horn non eq is on
% 2.22/1.23
% 2.22/1.23 % ------ no equalities: superposition off
% 2.22/1.23
% 2.22/1.23 % ------ Input Options "--resolution_flag false" Time Limit: 70.
% 2.22/1.23
% 2.22/1.23
% 2.22/1.23 % ------
% 2.22/1.23 % Current options:
% 2.22/1.23 % ------
% 2.22/1.23
% 2.22/1.23
% 2.22/1.23 %
% 2.22/1.23
% 2.22/1.23 % ------ Proving...
% 2.22/1.23 %
% 2.22/1.23
% 2.22/1.23 % SZS status Unsatisfiable for theBenchmark.p
% 2.22/1.23
% 2.22/1.23 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
% 2.22/1.24
% 2.22/1.24
%------------------------------------------------------------------------------