%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : PUZ028-6 : TPTP v9.3.1. Released v2.0.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n011.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 : Sun Sep 27 08:22:06 AM UTC 2026
% Result : Unsatisfiable 21.08s 3.39s
% Output : CNFRefutation 21.08s
% Verified :
% SZS Type : Refutation
% Derivation depth : 44
% Number of leaves : 38
% Syntax : Number of clauses : 399 ( 72 unt; 292 nHn; 399 RR)
% Number of literals : 1155 ( 0 equ; 275 neg)
% Maximal clause size : 5 ( 2 avg)
% Maximal term depth : 1 ( 1 avg)
% 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 : 70 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(person_1,axiom,
person(n1) ).
cnf(person_2,axiom,
person(n2) ).
cnf(person_3,axiom,
person(n3) ).
cnf(person_4,axiom,
person(n4) ).
cnf(person_5,axiom,
person(n5) ).
cnf(person_6,axiom,
person(n6) ).
cnf(not_equal_1_2,axiom,
'not$uequal'(n1,n2) ).
cnf(not_equal_1_3,axiom,
'not$uequal'(n1,n3) ).
cnf(not_equal_1_4,axiom,
'not$uequal'(n1,n4) ).
cnf(not_equal_1_5,axiom,
'not$uequal'(n1,n5) ).
cnf(not_equal_1_6,axiom,
'not$uequal'(n1,n6) ).
cnf(not_equal_2_1,axiom,
'not$uequal'(n2,n1) ).
cnf(not_equal_2_3,axiom,
'not$uequal'(n2,n3) ).
cnf(not_equal_2_4,axiom,
'not$uequal'(n2,n4) ).
cnf(not_equal_2_5,axiom,
'not$uequal'(n2,n5) ).
cnf(not_equal_2_6,axiom,
'not$uequal'(n2,n6) ).
cnf(not_equal_3_1,axiom,
'not$uequal'(n3,n1) ).
cnf(not_equal_3_2,axiom,
'not$uequal'(n3,n2) ).
cnf(not_equal_3_5,axiom,
'not$uequal'(n3,n5) ).
cnf(not_equal_3_6,axiom,
'not$uequal'(n3,n6) ).
cnf(not_equal_4_1,axiom,
'not$uequal'(n4,n1) ).
cnf(not_equal_4_2,axiom,
'not$uequal'(n4,n2) ).
cnf(not_equal_4_3,axiom,
'not$uequal'(n4,n3) ).
cnf(not_equal_4_5,axiom,
'not$uequal'(n4,n5) ).
cnf(not_equal_4_6,axiom,
'not$uequal'(n4,n6) ).
cnf(not_equal_5_2,axiom,
'not$uequal'(n5,n2) ).
cnf(not_equal_5_3,axiom,
'not$uequal'(n5,n3) ).
cnf(not_equal_5_4,axiom,
'not$uequal'(n5,n4) ).
cnf(not_equal_5_6,axiom,
'not$uequal'(n5,n6) ).
cnf(not_equal_6_2,axiom,
'not$uequal'(n6,n2) ).
cnf(not_equal_6_3,axiom,
'not$uequal'(n6,n3) ).
cnf(not_equal_6_4,axiom,
'not$uequal'(n6,n4) ).
cnf(not_equal_6_5,axiom,
'not$uequal'(n6,n5) ).
cnf(familiar_or_not,axiom,
( ~ 'not$uequal'(X0,X1)
| ~ person(X1)
| ~ person(X0)
| 'not$ufamiliar'(X0,X1)
| familiar(X0,X1) ) ).
cnf(symmetry_of_familiar,axiom,
( familiar(X1,X0)
| ~ familiar(X0,X1) ) ).
cnf(symmetry_of_not_familiar,axiom,
( 'not$ufamiliar'(X1,X0)
| ~ 'not$ufamiliar'(X0,X1) ) ).
cnf(three_familiar,negated_conjecture,
( ~ familiar(X2,X0)
| ~ familiar(X1,X2)
| ~ familiar(X0,X1) ) ).
cnf(three_not_familiar,negated_conjecture,
( ~ 'not$ufamiliar'(X2,X0)
| ~ 'not$ufamiliar'(X1,X2)
| ~ 'not$ufamiliar'(X0,X1) ) ).
cnf(c0,plain,
person(n1),
inference(clausification,[status(esa)],[person_1]) ).
cnf(c1,plain,
person(n2),
inference(clausification,[status(esa)],[person_2]) ).
cnf(c2,plain,
person(n3),
inference(clausification,[status(esa)],[person_3]) ).
cnf(c3,plain,
person(n4),
inference(clausification,[status(esa)],[person_4]) ).
cnf(c4,plain,
person(n5),
inference(clausification,[status(esa)],[person_5]) ).
cnf(c5,plain,
person(n6),
inference(clausification,[status(esa)],[person_6]) ).
cnf(c6,plain,
'not$uequal'(n1,n2),
inference(clausification,[status(esa)],[not_equal_1_2]) ).
cnf(c7,plain,
'not$uequal'(n1,n3),
inference(clausification,[status(esa)],[not_equal_1_3]) ).
cnf(c8,plain,
'not$uequal'(n1,n4),
inference(clausification,[status(esa)],[not_equal_1_4]) ).
cnf(c9,plain,
'not$uequal'(n1,n5),
inference(clausification,[status(esa)],[not_equal_1_5]) ).
cnf(c10,plain,
'not$uequal'(n1,n6),
inference(clausification,[status(esa)],[not_equal_1_6]) ).
cnf(c11,plain,
'not$uequal'(n2,n1),
inference(clausification,[status(esa)],[not_equal_2_1]) ).
cnf(c12,plain,
'not$uequal'(n2,n3),
inference(clausification,[status(esa)],[not_equal_2_3]) ).
cnf(c13,plain,
'not$uequal'(n2,n4),
inference(clausification,[status(esa)],[not_equal_2_4]) ).
cnf(c14,plain,
'not$uequal'(n2,n5),
inference(clausification,[status(esa)],[not_equal_2_5]) ).
cnf(c15,plain,
'not$uequal'(n2,n6),
inference(clausification,[status(esa)],[not_equal_2_6]) ).
cnf(c16,plain,
'not$uequal'(n3,n1),
inference(clausification,[status(esa)],[not_equal_3_1]) ).
cnf(c17,plain,
'not$uequal'(n3,n2),
inference(clausification,[status(esa)],[not_equal_3_2]) ).
cnf(c19,plain,
'not$uequal'(n3,n5),
inference(clausification,[status(esa)],[not_equal_3_5]) ).
cnf(c20,plain,
'not$uequal'(n3,n6),
inference(clausification,[status(esa)],[not_equal_3_6]) ).
cnf(c21,plain,
'not$uequal'(n4,n1),
inference(clausification,[status(esa)],[not_equal_4_1]) ).
cnf(c22,plain,
'not$uequal'(n4,n2),
inference(clausification,[status(esa)],[not_equal_4_2]) ).
cnf(c23,plain,
'not$uequal'(n4,n3),
inference(clausification,[status(esa)],[not_equal_4_3]) ).
cnf(c24,plain,
'not$uequal'(n4,n5),
inference(clausification,[status(esa)],[not_equal_4_5]) ).
cnf(c25,plain,
'not$uequal'(n4,n6),
inference(clausification,[status(esa)],[not_equal_4_6]) ).
cnf(c27,plain,
'not$uequal'(n5,n2),
inference(clausification,[status(esa)],[not_equal_5_2]) ).
cnf(c28,plain,
'not$uequal'(n5,n3),
inference(clausification,[status(esa)],[not_equal_5_3]) ).
cnf(c29,plain,
'not$uequal'(n5,n4),
inference(clausification,[status(esa)],[not_equal_5_4]) ).
cnf(c30,plain,
'not$uequal'(n5,n6),
inference(clausification,[status(esa)],[not_equal_5_6]) ).
cnf(c32,plain,
'not$uequal'(n6,n2),
inference(clausification,[status(esa)],[not_equal_6_2]) ).
cnf(c33,plain,
'not$uequal'(n6,n3),
inference(clausification,[status(esa)],[not_equal_6_3]) ).
cnf(c34,plain,
'not$uequal'(n6,n4),
inference(clausification,[status(esa)],[not_equal_6_4]) ).
cnf(c35,plain,
'not$uequal'(n6,n5),
inference(clausification,[status(esa)],[not_equal_6_5]) ).
cnf(c36,plain,
( familiar(X1,X0)
| ~ 'not$uequal'(X1,X0)
| 'not$ufamiliar'(X1,X0)
| ~ person(X1)
| ~ person(X0) ),
inference(clausification,[status(esa)],[familiar_or_not]) ).
cnf(c37,plain,
( familiar(X1,X0)
| ~ familiar(X0,X1) ),
inference(clausification,[status(esa)],[symmetry_of_familiar]) ).
cnf(c38,plain,
( 'not$ufamiliar'(X1,X0)
| ~ 'not$ufamiliar'(X0,X1) ),
inference(clausification,[status(esa)],[symmetry_of_not_familiar]) ).
cnf(c39,plain,
( ~ familiar(X2,X0)
| ~ familiar(X1,X2)
| ~ familiar(X0,X1) ),
inference(clausification,[status(esa)],[three_familiar]) ).
cnf(c40,plain,
( ~ 'not$ufamiliar'(X2,X0)
| ~ 'not$ufamiliar'(X1,X2)
| ~ 'not$ufamiliar'(X0,X1) ),
inference(clausification,[status(esa)],[three_not_familiar]) ).
cnf(d0,plain,
( familiar(n4,n3)
| 'not$ufamiliar'(n4,n3)
| ~ person(n4)
| ~ person(n3) ),
inference(resolution,[status(thm)],[c36,c23]) ).
cnf(d1,plain,
( familiar(n4,n3)
| 'not$ufamiliar'(n4,n3)
| ~ person(n4) ),
inference(resolution,[status(thm)],[c2,d0]) ).
cnf(d2,plain,
( familiar(n4,n3)
| 'not$ufamiliar'(n4,n3) ),
inference(resolution,[status(thm)],[c3,d1]) ).
cnf(d3,plain,
( familiar(n1,n4)
| 'not$ufamiliar'(n1,n4)
| ~ person(n1)
| ~ person(n4) ),
inference(resolution,[status(thm)],[c36,c8]) ).
cnf(d4,plain,
( familiar(n1,n4)
| 'not$ufamiliar'(n1,n4)
| ~ person(n4) ),
inference(resolution,[status(thm)],[c0,d3]) ).
cnf(d5,plain,
( familiar(n1,n4)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[c3,d4]) ).
cnf(d6,plain,
( familiar(n1,n3)
| 'not$ufamiliar'(n1,n3)
| ~ person(n1)
| ~ person(n3) ),
inference(resolution,[status(thm)],[c36,c7]) ).
cnf(d7,plain,
( familiar(n1,n3)
| 'not$ufamiliar'(n1,n3)
| ~ person(n3) ),
inference(resolution,[status(thm)],[c0,d6]) ).
cnf(d8,plain,
( familiar(n1,n3)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[c2,d7]) ).
cnf(d9,plain,
( familiar(n3,n1)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d8,c37]) ).
cnf(d10,plain,
( ~ familiar(n1,X0)
| ~ familiar(X0,n3)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d9,c39]) ).
cnf(d11,plain,
( 'not$ufamiliar'(n1,n4)
| ~ familiar(n4,n3)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d10,d5]) ).
cnf(d12,plain,
( 'not$ufamiliar'(n4,n3)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d11,d2]) ).
cnf(d13,plain,
( familiar(n4,n1)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d5,c37]) ).
cnf(d14,plain,
( familiar(n5,n4)
| 'not$ufamiliar'(n5,n4)
| ~ person(n5)
| ~ person(n4) ),
inference(resolution,[status(thm)],[c36,c29]) ).
cnf(d15,plain,
( familiar(n5,n4)
| 'not$ufamiliar'(n5,n4)
| ~ person(n5) ),
inference(resolution,[status(thm)],[c3,d14]) ).
cnf(d16,plain,
( familiar(n5,n4)
| 'not$ufamiliar'(n5,n4) ),
inference(resolution,[status(thm)],[c4,d15]) ).
cnf(d17,plain,
( familiar(n1,n5)
| 'not$ufamiliar'(n1,n5)
| ~ person(n1)
| ~ person(n5) ),
inference(resolution,[status(thm)],[c36,c9]) ).
cnf(d18,plain,
( familiar(n1,n5)
| 'not$ufamiliar'(n1,n5)
| ~ person(n5) ),
inference(resolution,[status(thm)],[c0,d17]) ).
cnf(d19,plain,
( familiar(n1,n5)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[c4,d18]) ).
cnf(d20,plain,
( ~ familiar(n5,X0)
| ~ familiar(X0,n1)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d19,c39]) ).
cnf(d21,plain,
( 'not$ufamiliar'(n5,n4)
| ~ familiar(n4,n1)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d20,d16]) ).
cnf(d22,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n5,n4)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d21,d13]) ).
cnf(d23,plain,
( familiar(n3,n5)
| 'not$ufamiliar'(n3,n5)
| ~ person(n3)
| ~ person(n5) ),
inference(resolution,[status(thm)],[c36,c19]) ).
cnf(d24,plain,
( familiar(n3,n5)
| 'not$ufamiliar'(n3,n5)
| ~ person(n5) ),
inference(resolution,[status(thm)],[c2,d23]) ).
cnf(d25,plain,
( familiar(n3,n5)
| 'not$ufamiliar'(n3,n5) ),
inference(resolution,[status(thm)],[c4,d24]) ).
cnf(d26,plain,
( familiar(n5,n3)
| 'not$ufamiliar'(n3,n5) ),
inference(resolution,[status(thm)],[d25,c37]) ).
cnf(d27,plain,
( 'not$ufamiliar'(n3,n5)
| ~ familiar(n3,n1)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d20,d26]) ).
cnf(d28,plain,
( 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n3,n5)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d27,d9]) ).
cnf(d29,plain,
( ~ 'not$ufamiliar'(n5,X0)
| ~ 'not$ufamiliar'(X0,n3)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d28,c40]) ).
cnf(d30,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n4,n3) ),
inference(resolution,[status(thm)],[d29,d22]) ).
cnf(d31,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d30,d12]) ).
cnf(d32,plain,
( familiar(n2,n1)
| 'not$ufamiliar'(n2,n1)
| ~ person(n2)
| ~ person(n1) ),
inference(resolution,[status(thm)],[c36,c11]) ).
cnf(d33,plain,
( familiar(n2,n1)
| 'not$ufamiliar'(n2,n1)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c0,d32]) ).
cnf(d34,plain,
( familiar(n2,n1)
| 'not$ufamiliar'(n2,n1) ),
inference(resolution,[status(thm)],[c1,d33]) ).
cnf(d35,plain,
( familiar(n2,n4)
| 'not$ufamiliar'(n2,n4)
| ~ person(n2)
| ~ person(n4) ),
inference(resolution,[status(thm)],[c36,c13]) ).
cnf(d36,plain,
( familiar(n2,n4)
| 'not$ufamiliar'(n2,n4)
| ~ person(n4) ),
inference(resolution,[status(thm)],[c1,d35]) ).
cnf(d37,plain,
( familiar(n2,n4)
| 'not$ufamiliar'(n2,n4) ),
inference(resolution,[status(thm)],[c3,d36]) ).
cnf(d38,plain,
( familiar(n4,n2)
| 'not$ufamiliar'(n2,n4) ),
inference(resolution,[status(thm)],[d37,c37]) ).
cnf(d39,plain,
( ~ familiar(n4,X0)
| ~ familiar(X0,n1)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d5,c39]) ).
cnf(d40,plain,
( 'not$ufamiliar'(n2,n4)
| ~ familiar(n2,n1)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d39,d38]) ).
cnf(d41,plain,
( 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n2,n4)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d40,d34]) ).
cnf(d42,plain,
( familiar(n3,n2)
| 'not$ufamiliar'(n3,n2)
| ~ person(n3)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c36,c17]) ).
cnf(d43,plain,
( familiar(n3,n2)
| 'not$ufamiliar'(n3,n2)
| ~ person(n3) ),
inference(resolution,[status(thm)],[c1,d42]) ).
cnf(d44,plain,
( familiar(n3,n2)
| 'not$ufamiliar'(n3,n2) ),
inference(resolution,[status(thm)],[c2,d43]) ).
cnf(d45,plain,
( ~ familiar(n3,X0)
| ~ familiar(X0,n1)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d8,c39]) ).
cnf(d46,plain,
( 'not$ufamiliar'(n3,n2)
| ~ familiar(n2,n1)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d45,d44]) ).
cnf(d47,plain,
( 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n3,n2)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d46,d34]) ).
cnf(d48,plain,
( ~ 'not$ufamiliar'(n2,X0)
| ~ 'not$ufamiliar'(X0,n3)
| 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d47,c40]) ).
cnf(d49,plain,
( 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n4,n3) ),
inference(resolution,[status(thm)],[d48,d41]) ).
cnf(d50,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d49,d12]) ).
cnf(d51,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n2)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d50,c40]) ).
cnf(d52,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n5,n2) ),
inference(resolution,[status(thm)],[d51,d31]) ).
cnf(d53,plain,
( familiar(n4,n1)
| 'not$ufamiliar'(n4,n1)
| ~ person(n4)
| ~ person(n1) ),
inference(resolution,[status(thm)],[c36,c21]) ).
cnf(d54,plain,
( familiar(n4,n1)
| 'not$ufamiliar'(n4,n1)
| ~ person(n4) ),
inference(resolution,[status(thm)],[c0,d53]) ).
cnf(d55,plain,
( familiar(n4,n1)
| 'not$ufamiliar'(n4,n1) ),
inference(resolution,[status(thm)],[c3,d54]) ).
cnf(d56,plain,
( familiar(n1,n4)
| 'not$ufamiliar'(n4,n1) ),
inference(resolution,[status(thm)],[d55,c37]) ).
cnf(d57,plain,
( ~ familiar(n4,n3)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n4,n1) ),
inference(resolution,[status(thm)],[d56,d10]) ).
cnf(d58,plain,
( 'not$ufamiliar'(n4,n3)
| 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d57,d2]) ).
cnf(d59,plain,
( familiar(n6,n4)
| 'not$ufamiliar'(n6,n4)
| ~ person(n6)
| ~ person(n4) ),
inference(resolution,[status(thm)],[c36,c34]) ).
cnf(d60,plain,
( familiar(n6,n4)
| 'not$ufamiliar'(n6,n4)
| ~ person(n6) ),
inference(resolution,[status(thm)],[c3,d59]) ).
cnf(d61,plain,
( familiar(n6,n4)
| 'not$ufamiliar'(n6,n4) ),
inference(resolution,[status(thm)],[c5,d60]) ).
cnf(d62,plain,
( familiar(n1,n6)
| 'not$ufamiliar'(n1,n6)
| ~ person(n1)
| ~ person(n6) ),
inference(resolution,[status(thm)],[c36,c10]) ).
cnf(d63,plain,
( familiar(n1,n6)
| 'not$ufamiliar'(n1,n6)
| ~ person(n6) ),
inference(resolution,[status(thm)],[c0,d62]) ).
cnf(d64,plain,
( familiar(n1,n6)
| 'not$ufamiliar'(n1,n6) ),
inference(resolution,[status(thm)],[c5,d63]) ).
cnf(d65,plain,
( ~ familiar(n6,X0)
| ~ familiar(X0,n1)
| 'not$ufamiliar'(n1,n6) ),
inference(resolution,[status(thm)],[d64,c39]) ).
cnf(d66,plain,
( 'not$ufamiliar'(n6,n4)
| ~ familiar(n4,n1)
| 'not$ufamiliar'(n1,n6) ),
inference(resolution,[status(thm)],[d65,d61]) ).
cnf(d67,plain,
( 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n6,n4)
| 'not$ufamiliar'(n1,n6) ),
inference(resolution,[status(thm)],[d66,d55]) ).
cnf(d68,plain,
( familiar(n6,n1)
| 'not$ufamiliar'(n1,n6) ),
inference(resolution,[status(thm)],[d64,c37]) ).
cnf(d69,plain,
( familiar(n3,n6)
| 'not$ufamiliar'(n3,n6)
| ~ person(n3)
| ~ person(n6) ),
inference(resolution,[status(thm)],[c36,c20]) ).
cnf(d70,plain,
( familiar(n3,n6)
| 'not$ufamiliar'(n3,n6)
| ~ person(n6) ),
inference(resolution,[status(thm)],[c2,d69]) ).
cnf(d71,plain,
( familiar(n3,n6)
| 'not$ufamiliar'(n3,n6) ),
inference(resolution,[status(thm)],[c5,d70]) ).
cnf(d72,plain,
( 'not$ufamiliar'(n3,n6)
| ~ familiar(n6,n1)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d45,d71]) ).
cnf(d73,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n3,n6)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d72,d68]) ).
cnf(d74,plain,
( ~ 'not$ufamiliar'(n6,X0)
| ~ 'not$ufamiliar'(X0,n3)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d73,c40]) ).
cnf(d75,plain,
( 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n4,n3) ),
inference(resolution,[status(thm)],[d74,d67]) ).
cnf(d76,plain,
( 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d75,d58]) ).
cnf(d77,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d76,c38]) ).
cnf(d78,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n6,n2) ),
inference(resolution,[status(thm)],[d51,d77]) ).
cnf(d79,plain,
( familiar(n6,n5)
| 'not$ufamiliar'(n6,n5)
| ~ person(n6)
| ~ person(n5) ),
inference(resolution,[status(thm)],[c36,c35]) ).
cnf(d80,plain,
( familiar(n6,n5)
| 'not$ufamiliar'(n6,n5)
| ~ person(n6) ),
inference(resolution,[status(thm)],[c4,d79]) ).
cnf(d81,plain,
( familiar(n6,n5)
| 'not$ufamiliar'(n6,n5) ),
inference(resolution,[status(thm)],[c5,d80]) ).
cnf(d82,plain,
( familiar(n6,n2)
| 'not$ufamiliar'(n6,n2)
| ~ person(n6)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c36,c32]) ).
cnf(d83,plain,
( familiar(n6,n2)
| 'not$ufamiliar'(n6,n2)
| ~ person(n6) ),
inference(resolution,[status(thm)],[c1,d82]) ).
cnf(d84,plain,
( familiar(n6,n2)
| 'not$ufamiliar'(n6,n2) ),
inference(resolution,[status(thm)],[c5,d83]) ).
cnf(d85,plain,
( familiar(n2,n6)
| 'not$ufamiliar'(n6,n2) ),
inference(resolution,[status(thm)],[d84,c37]) ).
cnf(d86,plain,
( familiar(n5,n2)
| 'not$ufamiliar'(n5,n2)
| ~ person(n5)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c36,c27]) ).
cnf(d87,plain,
( familiar(n5,n2)
| 'not$ufamiliar'(n5,n2)
| ~ person(n5) ),
inference(resolution,[status(thm)],[c1,d86]) ).
cnf(d88,plain,
( familiar(n5,n2)
| 'not$ufamiliar'(n5,n2) ),
inference(resolution,[status(thm)],[c4,d87]) ).
cnf(d89,plain,
( ~ familiar(n2,X0)
| ~ familiar(X0,n5)
| 'not$ufamiliar'(n5,n2) ),
inference(resolution,[status(thm)],[d88,c39]) ).
cnf(d90,plain,
( 'not$ufamiliar'(n6,n2)
| ~ familiar(n6,n5)
| 'not$ufamiliar'(n5,n2) ),
inference(resolution,[status(thm)],[d89,d85]) ).
cnf(d91,plain,
( 'not$ufamiliar'(n6,n5)
| 'not$ufamiliar'(n6,n2)
| 'not$ufamiliar'(n5,n2) ),
inference(resolution,[status(thm)],[d90,d81]) ).
cnf(d92,plain,
( 'not$ufamiliar'(n5,n1)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d31,c38]) ).
cnf(d93,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n5)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d92,c40]) ).
cnf(d94,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n6,n5) ),
inference(resolution,[status(thm)],[d93,d77]) ).
cnf(d95,plain,
( 'not$ufamiliar'(n6,n2)
| 'not$ufamiliar'(n5,n2)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d94,d91]) ).
cnf(d96,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n5,n2)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d95,d78]) ).
cnf(d97,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d96,d52]) ).
cnf(d98,plain,
( familiar(n6,n3)
| 'not$ufamiliar'(n6,n3)
| ~ person(n6)
| ~ person(n3) ),
inference(resolution,[status(thm)],[c36,c33]) ).
cnf(d99,plain,
( familiar(n6,n3)
| 'not$ufamiliar'(n6,n3)
| ~ person(n6) ),
inference(resolution,[status(thm)],[c2,d98]) ).
cnf(d100,plain,
( familiar(n6,n3)
| 'not$ufamiliar'(n6,n3) ),
inference(resolution,[status(thm)],[c5,d99]) ).
cnf(d101,plain,
( 'not$ufamiliar'(n1,n6)
| ~ familiar(n6,n3)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d10,d64]) ).
cnf(d102,plain,
( 'not$ufamiliar'(n6,n3)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d101,d100]) ).
cnf(d103,plain,
( familiar(n5,n6)
| 'not$ufamiliar'(n5,n6)
| ~ person(n5)
| ~ person(n6) ),
inference(resolution,[status(thm)],[c36,c30]) ).
cnf(d104,plain,
( familiar(n5,n6)
| 'not$ufamiliar'(n5,n6)
| ~ person(n6) ),
inference(resolution,[status(thm)],[c4,d103]) ).
cnf(d105,plain,
( familiar(n5,n6)
| 'not$ufamiliar'(n5,n6) ),
inference(resolution,[status(thm)],[c5,d104]) ).
cnf(d106,plain,
( 'not$ufamiliar'(n5,n6)
| ~ familiar(n6,n1)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d20,d105]) ).
cnf(d107,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n5,n6)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d106,d68]) ).
cnf(d108,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n6,n3) ),
inference(resolution,[status(thm)],[d29,d107]) ).
cnf(d109,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d108,d102]) ).
cnf(d110,plain,
( familiar(n2,n3)
| 'not$ufamiliar'(n2,n3)
| ~ person(n2)
| ~ person(n3) ),
inference(resolution,[status(thm)],[c36,c12]) ).
cnf(d111,plain,
( familiar(n2,n3)
| 'not$ufamiliar'(n2,n3)
| ~ person(n3) ),
inference(resolution,[status(thm)],[c1,d110]) ).
cnf(d112,plain,
( familiar(n2,n3)
| 'not$ufamiliar'(n2,n3) ),
inference(resolution,[status(thm)],[c2,d111]) ).
cnf(d113,plain,
( familiar(n3,n2)
| 'not$ufamiliar'(n2,n3) ),
inference(resolution,[status(thm)],[d112,c37]) ).
cnf(d114,plain,
( 'not$ufamiliar'(n2,n3)
| ~ familiar(n2,n1)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d45,d113]) ).
cnf(d115,plain,
( 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n2,n3)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d114,d34]) ).
cnf(d116,plain,
( 'not$ufamiliar'(n5,n2)
| ~ familiar(n2,n1)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d20,d88]) ).
cnf(d117,plain,
( 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n5,n2)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d116,d34]) ).
cnf(d118,plain,
( 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n2,n3) ),
inference(resolution,[status(thm)],[d29,d117]) ).
cnf(d119,plain,
( 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d118,d115]) ).
cnf(d120,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n2)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d119,c40]) ).
cnf(d121,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n6,n2) ),
inference(resolution,[status(thm)],[d120,d109]) ).
cnf(d122,plain,
( familiar(n4,n6)
| 'not$ufamiliar'(n6,n4) ),
inference(resolution,[status(thm)],[d61,c37]) ).
cnf(d123,plain,
( familiar(n4,n2)
| 'not$ufamiliar'(n4,n2)
| ~ person(n4)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c36,c22]) ).
cnf(d124,plain,
( familiar(n4,n2)
| 'not$ufamiliar'(n4,n2)
| ~ person(n4) ),
inference(resolution,[status(thm)],[c1,d123]) ).
cnf(d125,plain,
( familiar(n4,n2)
| 'not$ufamiliar'(n4,n2) ),
inference(resolution,[status(thm)],[c3,d124]) ).
cnf(d126,plain,
( familiar(n2,n4)
| 'not$ufamiliar'(n4,n2) ),
inference(resolution,[status(thm)],[d125,c37]) ).
cnf(d127,plain,
( ~ familiar(n2,X0)
| ~ familiar(X0,n6)
| 'not$ufamiliar'(n6,n2) ),
inference(resolution,[status(thm)],[d84,c39]) ).
cnf(d128,plain,
( 'not$ufamiliar'(n4,n2)
| ~ familiar(n4,n6)
| 'not$ufamiliar'(n6,n2) ),
inference(resolution,[status(thm)],[d127,d126]) ).
cnf(d129,plain,
( 'not$ufamiliar'(n6,n4)
| 'not$ufamiliar'(n6,n2)
| 'not$ufamiliar'(n4,n2) ),
inference(resolution,[status(thm)],[d128,d122]) ).
cnf(d130,plain,
( 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n5,n4)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d21,d55]) ).
cnf(d131,plain,
( 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n4,n3) ),
inference(resolution,[status(thm)],[d29,d130]) ).
cnf(d132,plain,
( 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d131,d58]) ).
cnf(d133,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n4)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d132,c40]) ).
cnf(d134,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n6,n4) ),
inference(resolution,[status(thm)],[d133,d109]) ).
cnf(d135,plain,
( 'not$ufamiliar'(n6,n2)
| 'not$ufamiliar'(n4,n2)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d134,d129]) ).
cnf(d136,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n4,n2)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d135,d121]) ).
cnf(d137,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n4,n2)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d97,d120]) ).
cnf(d138,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d137,d136]) ).
cnf(d139,plain,
( 'not$ufamiliar'(n5,n1)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d138,c38]) ).
cnf(d140,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n5)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d139,c40]) ).
cnf(d141,plain,
( 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n4,n5) ),
inference(resolution,[status(thm)],[d140,d97]) ).
cnf(d142,plain,
( 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d97,c38]) ).
cnf(d143,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n4)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d142,c40]) ).
cnf(d144,plain,
( familiar(n2,n6)
| 'not$ufamiliar'(n2,n6)
| ~ person(n2)
| ~ person(n6) ),
inference(resolution,[status(thm)],[c36,c15]) ).
cnf(d145,plain,
( familiar(n2,n6)
| 'not$ufamiliar'(n2,n6)
| ~ person(n6) ),
inference(resolution,[status(thm)],[c1,d144]) ).
cnf(d146,plain,
( familiar(n2,n6)
| 'not$ufamiliar'(n2,n6) ),
inference(resolution,[status(thm)],[c5,d145]) ).
cnf(d147,plain,
( familiar(n6,n2)
| 'not$ufamiliar'(n2,n6) ),
inference(resolution,[status(thm)],[d146,c37]) ).
cnf(d148,plain,
( 'not$ufamiliar'(n2,n6)
| ~ familiar(n2,n1)
| 'not$ufamiliar'(n1,n6) ),
inference(resolution,[status(thm)],[d65,d147]) ).
cnf(d149,plain,
( 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n2,n6)
| 'not$ufamiliar'(n1,n6) ),
inference(resolution,[status(thm)],[d148,d34]) ).
cnf(d150,plain,
( 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n6,n3) ),
inference(resolution,[status(thm)],[d48,d149]) ).
cnf(d151,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d150,d102]) ).
cnf(d152,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n2)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d151,c40]) ).
cnf(d153,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n4,n2)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d97,d152]) ).
cnf(d154,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n5,n2)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d138,d152]) ).
cnf(d155,plain,
( familiar(n2,n5)
| 'not$ufamiliar'(n5,n2) ),
inference(resolution,[status(thm)],[d88,c37]) ).
cnf(d156,plain,
( ~ familiar(n4,X0)
| ~ familiar(X0,n5)
| 'not$ufamiliar'(n5,n4) ),
inference(resolution,[status(thm)],[d16,c39]) ).
cnf(d157,plain,
( 'not$ufamiliar'(n4,n2)
| ~ familiar(n2,n5)
| 'not$ufamiliar'(n5,n4) ),
inference(resolution,[status(thm)],[d156,d125]) ).
cnf(d158,plain,
( 'not$ufamiliar'(n5,n2)
| 'not$ufamiliar'(n5,n4)
| 'not$ufamiliar'(n4,n2) ),
inference(resolution,[status(thm)],[d157,d155]) ).
cnf(d159,plain,
( 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n5,n4) ),
inference(resolution,[status(thm)],[d143,d138]) ).
cnf(d160,plain,
( 'not$ufamiliar'(n5,n2)
| 'not$ufamiliar'(n4,n2)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d159,d158]) ).
cnf(d161,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n4,n2)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d160,d154]) ).
cnf(d162,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d161,d153]) ).
cnf(d163,plain,
( 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n6,n4)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d162,d143]) ).
cnf(d164,plain,
( familiar(n4,n5)
| 'not$ufamiliar'(n4,n5)
| ~ person(n4)
| ~ person(n5) ),
inference(resolution,[status(thm)],[c36,c24]) ).
cnf(d165,plain,
( familiar(n4,n5)
| 'not$ufamiliar'(n4,n5)
| ~ person(n5) ),
inference(resolution,[status(thm)],[c3,d164]) ).
cnf(d166,plain,
( familiar(n4,n5)
| 'not$ufamiliar'(n4,n5) ),
inference(resolution,[status(thm)],[c4,d165]) ).
cnf(d167,plain,
( familiar(n5,n4)
| 'not$ufamiliar'(n4,n5) ),
inference(resolution,[status(thm)],[d166,c37]) ).
cnf(d168,plain,
( ~ familiar(n5,X0)
| ~ familiar(X0,n6)
| 'not$ufamiliar'(n6,n5) ),
inference(resolution,[status(thm)],[d81,c39]) ).
cnf(d169,plain,
( 'not$ufamiliar'(n4,n5)
| ~ familiar(n4,n6)
| 'not$ufamiliar'(n6,n5) ),
inference(resolution,[status(thm)],[d168,d167]) ).
cnf(d170,plain,
( 'not$ufamiliar'(n6,n4)
| 'not$ufamiliar'(n6,n5)
| 'not$ufamiliar'(n4,n5) ),
inference(resolution,[status(thm)],[d169,d122]) ).
cnf(d171,plain,
( 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n6,n5)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d162,d140]) ).
cnf(d172,plain,
( 'not$ufamiliar'(n6,n4)
| 'not$ufamiliar'(n4,n5)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d171,d170]) ).
cnf(d173,plain,
( 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n4,n5)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d172,d163]) ).
cnf(d174,plain,
( 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d173,d141]) ).
cnf(d175,plain,
'not$ufamiliar'(n3,n1),
inference(resolution,[status(thm)],[d174,c38]) ).
cnf(d176,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n3) ),
inference(resolution,[status(thm)],[d175,c40]) ).
cnf(d177,plain,
( familiar(n5,n1)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d19,c37]) ).
cnf(d178,plain,
( ~ familiar(n1,X0)
| ~ familiar(X0,n5)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d177,c39]) ).
cnf(d179,plain,
( ~ familiar(n4,n5)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n4,n1) ),
inference(resolution,[status(thm)],[d56,d178]) ).
cnf(d180,plain,
( 'not$ufamiliar'(n4,n5)
| 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d179,d166]) ).
cnf(d181,plain,
( ~ 'not$ufamiliar'(n6,X0)
| ~ 'not$ufamiliar'(X0,n5)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d107,c40]) ).
cnf(d182,plain,
( 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n5)
| ~ 'not$ufamiliar'(n4,n5) ),
inference(resolution,[status(thm)],[d181,d67]) ).
cnf(d183,plain,
( 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d182,d180]) ).
cnf(d184,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d183,c38]) ).
cnf(d185,plain,
( 'not$ufamiliar'(n1,n4)
| ~ familiar(n4,n5)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d178,d5]) ).
cnf(d186,plain,
( 'not$ufamiliar'(n4,n5)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d185,d166]) ).
cnf(d187,plain,
( ~ 'not$ufamiliar'(n2,X0)
| ~ 'not$ufamiliar'(X0,n5)
| 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d117,c40]) ).
cnf(d188,plain,
( 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n5)
| ~ 'not$ufamiliar'(n4,n5) ),
inference(resolution,[status(thm)],[d187,d41]) ).
cnf(d189,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d188,d186]) ).
cnf(d190,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n2)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d189,c40]) ).
cnf(d191,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4)
| ~ 'not$ufamiliar'(n6,n2) ),
inference(resolution,[status(thm)],[d190,d184]) ).
cnf(d192,plain,
( ~ familiar(n2,X0)
| ~ familiar(X0,n3)
| 'not$ufamiliar'(n3,n2) ),
inference(resolution,[status(thm)],[d44,c39]) ).
cnf(d193,plain,
( 'not$ufamiliar'(n6,n2)
| ~ familiar(n6,n3)
| 'not$ufamiliar'(n3,n2) ),
inference(resolution,[status(thm)],[d192,d85]) ).
cnf(d194,plain,
( 'not$ufamiliar'(n6,n3)
| 'not$ufamiliar'(n6,n2)
| 'not$ufamiliar'(n3,n2) ),
inference(resolution,[status(thm)],[d193,d100]) ).
cnf(d195,plain,
( familiar(n3,n1)
| 'not$ufamiliar'(n3,n1)
| ~ person(n3)
| ~ person(n1) ),
inference(resolution,[status(thm)],[c36,c16]) ).
cnf(d196,plain,
( familiar(n3,n1)
| 'not$ufamiliar'(n3,n1)
| ~ person(n3) ),
inference(resolution,[status(thm)],[c0,d195]) ).
cnf(d197,plain,
( familiar(n3,n1)
| 'not$ufamiliar'(n3,n1) ),
inference(resolution,[status(thm)],[c2,d196]) ).
cnf(d198,plain,
( 'not$ufamiliar'(n4,n3)
| ~ familiar(n3,n1)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d39,d2]) ).
cnf(d199,plain,
( 'not$ufamiliar'(n3,n1)
| 'not$ufamiliar'(n4,n3)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d198,d197]) ).
cnf(d200,plain,
( 'not$ufamiliar'(n3,n1)
| 'not$ufamiliar'(n3,n5)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d27,d197]) ).
cnf(d201,plain,
( ~ 'not$ufamiliar'(n5,X0)
| ~ 'not$ufamiliar'(X0,n3)
| 'not$ufamiliar'(n3,n1)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d200,c40]) ).
cnf(d202,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n3,n1)
| 'not$ufamiliar'(n1,n5)
| ~ 'not$ufamiliar'(n4,n3) ),
inference(resolution,[status(thm)],[d201,d22]) ).
cnf(d203,plain,
( 'not$ufamiliar'(n3,n1)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n3,n1)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d202,d199]) ).
cnf(d204,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n3)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d203,c40]) ).
cnf(d205,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4)
| ~ 'not$ufamiliar'(n6,n3) ),
inference(resolution,[status(thm)],[d204,d184]) ).
cnf(d206,plain,
( 'not$ufamiliar'(n6,n2)
| 'not$ufamiliar'(n3,n2)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d205,d194]) ).
cnf(d207,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n3,n2)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d206,d191]) ).
cnf(d208,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4)
| ~ 'not$ufamiliar'(n3,n2) ),
inference(resolution,[status(thm)],[d174,d190]) ).
cnf(d209,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d208,d207]) ).
cnf(d210,plain,
( ~ 'not$ufamiliar'(n5,n3)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d209,d176]) ).
cnf(d211,plain,
( familiar(n4,n6)
| 'not$ufamiliar'(n4,n6)
| ~ person(n4)
| ~ person(n6) ),
inference(resolution,[status(thm)],[c36,c25]) ).
cnf(d212,plain,
( familiar(n4,n6)
| 'not$ufamiliar'(n4,n6)
| ~ person(n6) ),
inference(resolution,[status(thm)],[c3,d211]) ).
cnf(d213,plain,
( familiar(n4,n6)
| 'not$ufamiliar'(n4,n6) ),
inference(resolution,[status(thm)],[c5,d212]) ).
cnf(d214,plain,
( 'not$ufamiliar'(n4,n6)
| ~ familiar(n6,n1)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d39,d213]) ).
cnf(d215,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n4,n6)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d214,d68]) ).
cnf(d216,plain,
( 'not$ufamiliar'(n6,n2)
| ~ familiar(n2,n1)
| 'not$ufamiliar'(n1,n6) ),
inference(resolution,[status(thm)],[d65,d84]) ).
cnf(d217,plain,
( 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n6,n2)
| 'not$ufamiliar'(n1,n6) ),
inference(resolution,[status(thm)],[d216,d34]) ).
cnf(d218,plain,
( ~ 'not$ufamiliar'(n2,X0)
| ~ 'not$ufamiliar'(X0,n6)
| 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n6) ),
inference(resolution,[status(thm)],[d217,c40]) ).
cnf(d219,plain,
( 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n6)
| ~ 'not$ufamiliar'(n4,n6) ),
inference(resolution,[status(thm)],[d218,d41]) ).
cnf(d220,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n2,n1)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d219,d215]) ).
cnf(d221,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n2)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d220,c40]) ).
cnf(d222,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n4)
| ~ 'not$ufamiliar'(n3,n2) ),
inference(resolution,[status(thm)],[d174,d221]) ).
cnf(d223,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n4)
| ~ 'not$ufamiliar'(n5,n2)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d209,d221]) ).
cnf(d224,plain,
( familiar(n5,n3)
| 'not$ufamiliar'(n5,n3)
| ~ person(n5)
| ~ person(n3) ),
inference(resolution,[status(thm)],[c36,c28]) ).
cnf(d225,plain,
( familiar(n5,n3)
| 'not$ufamiliar'(n5,n3)
| ~ person(n5) ),
inference(resolution,[status(thm)],[c2,d224]) ).
cnf(d226,plain,
( familiar(n5,n3)
| 'not$ufamiliar'(n5,n3) ),
inference(resolution,[status(thm)],[c4,d225]) ).
cnf(d227,plain,
( ~ familiar(n3,X0)
| ~ familiar(X0,n5)
| 'not$ufamiliar'(n5,n3) ),
inference(resolution,[status(thm)],[d226,c39]) ).
cnf(d228,plain,
( 'not$ufamiliar'(n3,n2)
| ~ familiar(n2,n5)
| 'not$ufamiliar'(n5,n3) ),
inference(resolution,[status(thm)],[d227,d44]) ).
cnf(d229,plain,
( 'not$ufamiliar'(n5,n2)
| 'not$ufamiliar'(n5,n3)
| 'not$ufamiliar'(n3,n2) ),
inference(resolution,[status(thm)],[d228,d155]) ).
cnf(d230,plain,
( 'not$ufamiliar'(n5,n2)
| 'not$ufamiliar'(n3,n2)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d210,d229]) ).
cnf(d231,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n3,n2)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d230,d223]) ).
cnf(d232,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d231,d222]) ).
cnf(d233,plain,
( ~ 'not$ufamiliar'(n6,n3)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d232,d176]) ).
cnf(d234,plain,
( familiar(n3,n6)
| 'not$ufamiliar'(n6,n3) ),
inference(resolution,[status(thm)],[d100,c37]) ).
cnf(d235,plain,
( 'not$ufamiliar'(n6,n3)
| ~ familiar(n6,n5)
| 'not$ufamiliar'(n5,n3) ),
inference(resolution,[status(thm)],[d227,d234]) ).
cnf(d236,plain,
( 'not$ufamiliar'(n6,n5)
| 'not$ufamiliar'(n6,n3)
| 'not$ufamiliar'(n5,n3) ),
inference(resolution,[status(thm)],[d235,d81]) ).
cnf(d237,plain,
( 'not$ufamiliar'(n5,n1)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d209,c38]) ).
cnf(d238,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n5)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d237,c40]) ).
cnf(d239,plain,
( 'not$ufamiliar'(n1,n4)
| ~ 'not$ufamiliar'(n6,n5)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d232,d238]) ).
cnf(d240,plain,
( 'not$ufamiliar'(n6,n3)
| 'not$ufamiliar'(n5,n3)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d239,d236]) ).
cnf(d241,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n5,n3)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d240,d233]) ).
cnf(d242,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d241,d210]) ).
cnf(d243,plain,
'not$ufamiliar'(n4,n1),
inference(resolution,[status(thm)],[d242,c38]) ).
cnf(d244,plain,
( familiar(n4,n5)
| 'not$ufamiliar'(n5,n4) ),
inference(resolution,[status(thm)],[d16,c37]) ).
cnf(d245,plain,
( familiar(n3,n4)
| 'not$ufamiliar'(n4,n3) ),
inference(resolution,[status(thm)],[d2,c37]) ).
cnf(d246,plain,
( ~ familiar(n4,n5)
| 'not$ufamiliar'(n5,n3)
| 'not$ufamiliar'(n4,n3) ),
inference(resolution,[status(thm)],[d245,d227]) ).
cnf(d247,plain,
( 'not$ufamiliar'(n5,n4)
| 'not$ufamiliar'(n5,n3)
| 'not$ufamiliar'(n4,n3) ),
inference(resolution,[status(thm)],[d246,d244]) ).
cnf(d248,plain,
( ~ 'not$ufamiliar'(n4,X0)
| ~ 'not$ufamiliar'(X0,n5)
| 'not$ufamiliar'(n5,n3)
| 'not$ufamiliar'(n4,n3) ),
inference(resolution,[status(thm)],[d247,c40]) ).
cnf(d249,plain,
~ 'not$ufamiliar'(n4,n3),
inference(resolution,[status(thm)],[d242,d176]) ).
cnf(d250,plain,
( 'not$ufamiliar'(n5,n3)
| ~ 'not$ufamiliar'(n4,X0)
| ~ 'not$ufamiliar'(X0,n5) ),
inference(resolution,[status(thm)],[d249,d248]) ).
cnf(d251,plain,
( 'not$ufamiliar'(n5,n3)
| ~ 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d250,d243]) ).
cnf(d252,plain,
( 'not$ufamiliar'(n1,n6)
| ~ familiar(n6,n5)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d178,d64]) ).
cnf(d253,plain,
( 'not$ufamiliar'(n6,n5)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d252,d81]) ).
cnf(d254,plain,
( familiar(n1,n2)
| 'not$ufamiliar'(n1,n2)
| ~ person(n1)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c36,c6]) ).
cnf(d255,plain,
( familiar(n1,n2)
| 'not$ufamiliar'(n1,n2)
| ~ person(n2) ),
inference(resolution,[status(thm)],[c0,d254]) ).
cnf(d256,plain,
( familiar(n1,n2)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[c1,d255]) ).
cnf(d257,plain,
( ~ familiar(n2,X0)
| ~ familiar(X0,n1)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d256,c39]) ).
cnf(d258,plain,
( 'not$ufamiliar'(n2,n6)
| ~ familiar(n6,n1)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d257,d146]) ).
cnf(d259,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n2,n6)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d258,d68]) ).
cnf(d260,plain,
( familiar(n2,n1)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d256,c37]) ).
cnf(d261,plain,
( 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n5,n2)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d116,d260]) ).
cnf(d262,plain,
( ~ 'not$ufamiliar'(n2,X0)
| ~ 'not$ufamiliar'(X0,n5)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d261,c40]) ).
cnf(d263,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2)
| ~ 'not$ufamiliar'(n6,n5) ),
inference(resolution,[status(thm)],[d262,d259]) ).
cnf(d264,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d263,d253]) ).
cnf(d265,plain,
( 'not$ufamiliar'(n6,n1)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d264,c38]) ).
cnf(d266,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n6)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d265,c40]) ).
cnf(d267,plain,
( 'not$ufamiliar'(n2,n4)
| ~ familiar(n4,n1)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d257,d37]) ).
cnf(d268,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n2,n4)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d267,d13]) ).
cnf(d269,plain,
( 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n3,n2)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d46,d260]) ).
cnf(d270,plain,
( ~ 'not$ufamiliar'(n2,X0)
| ~ 'not$ufamiliar'(X0,n3)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d269,c40]) ).
cnf(d271,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2)
| ~ 'not$ufamiliar'(n4,n3) ),
inference(resolution,[status(thm)],[d270,d268]) ).
cnf(d272,plain,
( 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n4)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d271,d12]) ).
cnf(d273,plain,
( 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n2,n3)
| 'not$ufamiliar'(n1,n3) ),
inference(resolution,[status(thm)],[d114,d260]) ).
cnf(d274,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3)
| ~ 'not$ufamiliar'(n2,n3) ),
inference(resolution,[status(thm)],[d29,d261]) ).
cnf(d275,plain,
( 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d274,d273]) ).
cnf(d276,plain,
( 'not$ufamiliar'(n5,n1)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d275,c38]) ).
cnf(d277,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n5)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d276,c40]) ).
cnf(d278,plain,
( 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2)
| ~ 'not$ufamiliar'(n4,n5) ),
inference(resolution,[status(thm)],[d277,d272]) ).
cnf(d279,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2)
| ~ 'not$ufamiliar'(n6,n3) ),
inference(resolution,[status(thm)],[d270,d259]) ).
cnf(d280,plain,
( 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n6)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d279,d102]) ).
cnf(d281,plain,
( 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d272,c38]) ).
cnf(d282,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n4)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d281,c40]) ).
cnf(d283,plain,
( 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2)
| ~ 'not$ufamiliar'(n6,n4) ),
inference(resolution,[status(thm)],[d282,d280]) ).
cnf(d284,plain,
( 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2)
| ~ 'not$ufamiliar'(n6,n5) ),
inference(resolution,[status(thm)],[d277,d280]) ).
cnf(d285,plain,
( 'not$ufamiliar'(n6,n4)
| 'not$ufamiliar'(n4,n5)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d284,d170]) ).
cnf(d286,plain,
( 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n4,n5)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d285,d283]) ).
cnf(d287,plain,
( 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n1,n3)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d286,d278]) ).
cnf(d288,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2)
| ~ 'not$ufamiliar'(n3,n6)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d287,d266]) ).
cnf(d289,plain,
( ~ familiar(n1,X0)
| ~ familiar(X0,n2)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d260,c39]) ).
cnf(d290,plain,
( ~ familiar(n4,n2)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n4,n1) ),
inference(resolution,[status(thm)],[d56,d289]) ).
cnf(d291,plain,
( 'not$ufamiliar'(n4,n2)
| 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d290,d125]) ).
cnf(d292,plain,
( familiar(n2,n5)
| 'not$ufamiliar'(n2,n5)
| ~ person(n2)
| ~ person(n5) ),
inference(resolution,[status(thm)],[c36,c14]) ).
cnf(d293,plain,
( familiar(n2,n5)
| 'not$ufamiliar'(n2,n5)
| ~ person(n5) ),
inference(resolution,[status(thm)],[c1,d292]) ).
cnf(d294,plain,
( familiar(n2,n5)
| 'not$ufamiliar'(n2,n5) ),
inference(resolution,[status(thm)],[c4,d293]) ).
cnf(d295,plain,
( familiar(n5,n2)
| 'not$ufamiliar'(n2,n5) ),
inference(resolution,[status(thm)],[d294,c37]) ).
cnf(d296,plain,
( 'not$ufamiliar'(n2,n5)
| ~ familiar(n2,n1)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d20,d295]) ).
cnf(d297,plain,
( 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n2,n5)
| 'not$ufamiliar'(n1,n5) ),
inference(resolution,[status(thm)],[d296,d260]) ).
cnf(d298,plain,
( ~ 'not$ufamiliar'(n5,X0)
| ~ 'not$ufamiliar'(X0,n2)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d297,c40]) ).
cnf(d299,plain,
( 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2)
| ~ 'not$ufamiliar'(n4,n2) ),
inference(resolution,[status(thm)],[d298,d130]) ).
cnf(d300,plain,
( 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n4,n1)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d299,d291]) ).
cnf(d301,plain,
( ~ 'not$ufamiliar'(n1,X0)
| ~ 'not$ufamiliar'(X0,n4)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d300,c40]) ).
cnf(d302,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2)
| ~ 'not$ufamiliar'(n6,n4) ),
inference(resolution,[status(thm)],[d301,d264]) ).
cnf(d303,plain,
( ~ familiar(n6,X0)
| ~ familiar(X0,n3)
| 'not$ufamiliar'(n3,n6) ),
inference(resolution,[status(thm)],[d71,c39]) ).
cnf(d304,plain,
( 'not$ufamiliar'(n6,n4)
| ~ familiar(n4,n3)
| 'not$ufamiliar'(n3,n6) ),
inference(resolution,[status(thm)],[d303,d61]) ).
cnf(d305,plain,
( 'not$ufamiliar'(n4,n3)
| 'not$ufamiliar'(n6,n4)
| 'not$ufamiliar'(n3,n6) ),
inference(resolution,[status(thm)],[d304,d2]) ).
cnf(d306,plain,
( 'not$ufamiliar'(n6,n4)
| 'not$ufamiliar'(n3,n6) ),
inference(resolution,[status(thm)],[d249,d305]) ).
cnf(d307,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n3,n6) ),
inference(resolution,[status(thm)],[d306,d302]) ).
cnf(d308,plain,
( 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n1,n5)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d307,d288]) ).
cnf(d309,plain,
( 'not$ufamiliar'(n5,n3)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d308,d251]) ).
cnf(d310,plain,
( ~ 'not$ufamiliar'(n5,n3)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d308,d176]) ).
cnf(d311,plain,
( 'not$ufamiliar'(n1,n2)
| 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d310,d309]) ).
cnf(d312,plain,
~ 'not$ufamiliar'(n2,n3),
inference(resolution,[status(thm)],[d311,d176]) ).
cnf(d313,plain,
( ~ familiar(n3,X0)
| ~ familiar(X0,n2)
| 'not$ufamiliar'(n2,n3) ),
inference(resolution,[status(thm)],[d112,c39]) ).
cnf(d314,plain,
( 'not$ufamiliar'(n4,n3)
| ~ familiar(n4,n2)
| 'not$ufamiliar'(n2,n3) ),
inference(resolution,[status(thm)],[d313,d245]) ).
cnf(d315,plain,
( 'not$ufamiliar'(n2,n4)
| 'not$ufamiliar'(n4,n3)
| 'not$ufamiliar'(n2,n3) ),
inference(resolution,[status(thm)],[d314,d38]) ).
cnf(d316,plain,
( ~ 'not$ufamiliar'(n3,X0)
| ~ 'not$ufamiliar'(X0,n4)
| 'not$ufamiliar'(n2,n4)
| 'not$ufamiliar'(n2,n3) ),
inference(resolution,[status(thm)],[d315,c40]) ).
cnf(d317,plain,
( 'not$ufamiliar'(n2,n4)
| 'not$ufamiliar'(n2,n3)
| ~ 'not$ufamiliar'(n1,n4) ),
inference(resolution,[status(thm)],[d175,d316]) ).
cnf(d318,plain,
( 'not$ufamiliar'(n2,n4)
| 'not$ufamiliar'(n2,n3) ),
inference(resolution,[status(thm)],[d242,d317]) ).
cnf(d319,plain,
( ~ 'not$ufamiliar'(n4,X0)
| ~ 'not$ufamiliar'(X0,n2)
| 'not$ufamiliar'(n2,n3) ),
inference(resolution,[status(thm)],[d318,c40]) ).
cnf(d320,plain,
( 'not$ufamiliar'(n2,n3)
| ~ 'not$ufamiliar'(n1,n2) ),
inference(resolution,[status(thm)],[d319,d243]) ).
cnf(d321,plain,
'not$ufamiliar'(n2,n3),
inference(resolution,[status(thm)],[d311,d320]) ).
cnf(d322,plain,
$false,
inference(resolution,[status(thm)],[d321,d312]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PUZ028-6 : TPTP v9.3.1. Released v2.0.0.
% 0.00/0.04 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.09/0.36 % Computer : n011.cluster.edu
% 0.09/0.36 % Model : x86_64 x86_64
% 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36 % Memory : 8046.5625MB
% 0.09/0.36 % OS : Linux 6.8.0-71-generic
% 0.09/0.36 % CPULimit : 300
% 0.09/0.36 % WCLimit : 300
% 0.09/0.36 % DateTime : Sat Sep 26 05:05:58 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.36 Running casc-portfolio.sh -t 300 /export/starexec/sandbox2/benchmark/theBenchmark.p
% 21.08/3.39 % SZS status Unsatisfiable for theBenchmark.p
% 21.08/3.39 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------