TSTP Solution File: CSR040+2 by SInE---0.4
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : SInE---0.4
% Problem : CSR040+2 : TPTP v5.0.0. Released v3.4.0.
% Transfm : none
% Format : tptp:raw
% Command : Source/sine.py -e eprover -t %d %s
% Computer : art03.cs.miami.edu
% Model : i686 i686
% CPU : Intel(R) Pentium(R) 4 CPU 2.80GHz @ 2793MHz
% Memory : 2018MB
% OS : Linux 2.6.26.8-57.fc8
% CPULimit : 300s
% DateTime : Sat Dec 25 06:14:13 EST 2010
% Result : Theorem 1.85s
% Output : CNFRefutation 1.85s
% Verified :
% SZS Type : Refutation
% Derivation depth : 15
% Number of leaves : 23
% Syntax : Number of formulae : 114 ( 10 unt; 0 def)
% Number of atoms : 218 ( 0 equ)
% Maximal formula atoms : 2 ( 1 avg)
% Number of connectives : 195 ( 91 ~; 79 |; 2 &)
% ( 0 <=>; 23 =>; 0 <=; 0 <~>)
% Maximal formula depth : 4 ( 3 avg)
% Maximal term depth : 4 ( 1 avg)
% Number of predicates : 23 ( 22 usr; 1 prp; 0-2 aty)
% Number of functors : 7 ( 7 usr; 4 con; 0-2 aty)
% Number of variables : 100 ( 0 sgn 63 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
fof(3,axiom,
! [X1] :
~ ( collection(X1)
& individual(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_289) ).
fof(11,axiom,
! [X1] :
( tptpcol_5_106498(X1)
=> tptpcol_4_106497(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_117) ).
fof(41,axiom,
! [X1] :
( tptpcol_6_108546(X1)
=> tptpcol_5_106498(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_459) ).
fof(162,axiom,
! [X1] :
( tptpcol_9_109060(X1)
=> tptpcol_8_109059(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_242) ).
fof(164,axiom,
! [X1] :
( tptpcol_10_109061(X1)
=> tptpcol_9_109060(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_96) ).
fof(173,axiom,
! [X1] :
( firstordercollection(X1)
=> fixedordercollection(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_205) ).
fof(195,axiom,
! [X1] :
( tptpcol_0_0(X1)
=> individual(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_445) ).
fof(199,axiom,
! [X1] :
( fixedordercollection(X1)
=> collection(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_151) ).
fof(222,axiom,
! [X1] :
( tptpcol_2_98304(X1)
=> tptpcol_1_65536(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_50) ).
fof(249,axiom,
! [X1] :
( tptpcol_12_109157(X1)
=> tptpcol_11_109125(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_360) ).
fof(260,axiom,
! [X1] :
( tptpcol_13_109173(X1)
=> tptpcol_12_109157(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_114) ).
fof(276,axiom,
! [X1] :
( tptpcol_8_109059(X1)
=> tptpcol_7_108547(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_185) ).
fof(285,axiom,
firstordercollection(c_tptpcol_16_62187),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_475) ).
fof(304,axiom,
! [X2] :
( tptpcol_1_65536(X2)
=> isa(X2,c_tptpcol_1_65536) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_988) ).
fof(306,axiom,
! [X2] :
( isa(X2,c_tptpcol_1_65536)
=> tptpcol_1_65536(X2) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_987) ).
fof(311,axiom,
! [X1] :
( tptpcol_4_106497(X1)
=> tptpcol_3_98305(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_69) ).
fof(324,axiom,
! [X1] :
( tptpcol_3_98305(X1)
=> tptpcol_2_98304(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_234) ).
fof(342,axiom,
! [X1] :
( tptpcol_11_109125(X1)
=> tptpcol_10_109061(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_343) ).
fof(402,axiom,
! [X1] :
( tptpcol_15_109185(X1)
=> tptpcol_14_109181(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_266) ).
fof(410,axiom,
! [X1] :
( tptpcol_7_108547(X1)
=> tptpcol_6_108546(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_341) ).
fof(453,axiom,
! [X1] :
( tptpcol_1_65536(X1)
=> tptpcol_0_0(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_124) ).
fof(502,axiom,
! [X1] :
( tptpcol_14_109181(X1)
=> tptpcol_13_109173(X1) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',ax1_251) ).
fof(540,conjecture,
( mtvisible(f_contentmtofcdafromeventfn(f_urlreferentfn(f_urlfn(s_http_wwwthedailybulletincompostcardsmar9chtm)),c_translation_14))
=> ~ tptpcol_15_109185(c_tptpcol_16_62187) ),
file('/tmp/tmpBN3dEY/sel_CSR040+2.p_4',query90) ).
fof(541,negated_conjecture,
~ ( mtvisible(f_contentmtofcdafromeventfn(f_urlreferentfn(f_urlfn(s_http_wwwthedailybulletincompostcardsmar9chtm)),c_translation_14))
=> ~ tptpcol_15_109185(c_tptpcol_16_62187) ),
inference(assume_negation,[status(cth)],[540]) ).
fof(543,negated_conjecture,
~ ( mtvisible(f_contentmtofcdafromeventfn(f_urlreferentfn(f_urlfn(s_http_wwwthedailybulletincompostcardsmar9chtm)),c_translation_14))
=> ~ tptpcol_15_109185(c_tptpcol_16_62187) ),
inference(fof_simplification,[status(thm)],[541,theory(equality)]) ).
fof(550,plain,
! [X1] :
( ~ collection(X1)
| ~ individual(X1) ),
inference(fof_nnf,[status(thm)],[3]) ).
fof(551,plain,
! [X2] :
( ~ collection(X2)
| ~ individual(X2) ),
inference(variable_rename,[status(thm)],[550]) ).
cnf(552,plain,
( ~ individual(X1)
| ~ collection(X1) ),
inference(split_conjunct,[status(thm)],[551]) ).
fof(566,plain,
! [X1] :
( ~ tptpcol_5_106498(X1)
| tptpcol_4_106497(X1) ),
inference(fof_nnf,[status(thm)],[11]) ).
fof(567,plain,
! [X2] :
( ~ tptpcol_5_106498(X2)
| tptpcol_4_106497(X2) ),
inference(variable_rename,[status(thm)],[566]) ).
cnf(568,plain,
( tptpcol_4_106497(X1)
| ~ tptpcol_5_106498(X1) ),
inference(split_conjunct,[status(thm)],[567]) ).
fof(644,plain,
! [X1] :
( ~ tptpcol_6_108546(X1)
| tptpcol_5_106498(X1) ),
inference(fof_nnf,[status(thm)],[41]) ).
fof(645,plain,
! [X2] :
( ~ tptpcol_6_108546(X2)
| tptpcol_5_106498(X2) ),
inference(variable_rename,[status(thm)],[644]) ).
cnf(646,plain,
( tptpcol_5_106498(X1)
| ~ tptpcol_6_108546(X1) ),
inference(split_conjunct,[status(thm)],[645]) ).
fof(973,plain,
! [X1] :
( ~ tptpcol_9_109060(X1)
| tptpcol_8_109059(X1) ),
inference(fof_nnf,[status(thm)],[162]) ).
fof(974,plain,
! [X2] :
( ~ tptpcol_9_109060(X2)
| tptpcol_8_109059(X2) ),
inference(variable_rename,[status(thm)],[973]) ).
cnf(975,plain,
( tptpcol_8_109059(X1)
| ~ tptpcol_9_109060(X1) ),
inference(split_conjunct,[status(thm)],[974]) ).
fof(979,plain,
! [X1] :
( ~ tptpcol_10_109061(X1)
| tptpcol_9_109060(X1) ),
inference(fof_nnf,[status(thm)],[164]) ).
fof(980,plain,
! [X2] :
( ~ tptpcol_10_109061(X2)
| tptpcol_9_109060(X2) ),
inference(variable_rename,[status(thm)],[979]) ).
cnf(981,plain,
( tptpcol_9_109060(X1)
| ~ tptpcol_10_109061(X1) ),
inference(split_conjunct,[status(thm)],[980]) ).
fof(1002,plain,
! [X1] :
( ~ firstordercollection(X1)
| fixedordercollection(X1) ),
inference(fof_nnf,[status(thm)],[173]) ).
fof(1003,plain,
! [X2] :
( ~ firstordercollection(X2)
| fixedordercollection(X2) ),
inference(variable_rename,[status(thm)],[1002]) ).
cnf(1004,plain,
( fixedordercollection(X1)
| ~ firstordercollection(X1) ),
inference(split_conjunct,[status(thm)],[1003]) ).
fof(1054,plain,
! [X1] :
( ~ tptpcol_0_0(X1)
| individual(X1) ),
inference(fof_nnf,[status(thm)],[195]) ).
fof(1055,plain,
! [X2] :
( ~ tptpcol_0_0(X2)
| individual(X2) ),
inference(variable_rename,[status(thm)],[1054]) ).
cnf(1056,plain,
( individual(X1)
| ~ tptpcol_0_0(X1) ),
inference(split_conjunct,[status(thm)],[1055]) ).
fof(1064,plain,
! [X1] :
( ~ fixedordercollection(X1)
| collection(X1) ),
inference(fof_nnf,[status(thm)],[199]) ).
fof(1065,plain,
! [X2] :
( ~ fixedordercollection(X2)
| collection(X2) ),
inference(variable_rename,[status(thm)],[1064]) ).
cnf(1066,plain,
( collection(X1)
| ~ fixedordercollection(X1) ),
inference(split_conjunct,[status(thm)],[1065]) ).
fof(1121,plain,
! [X1] :
( ~ tptpcol_2_98304(X1)
| tptpcol_1_65536(X1) ),
inference(fof_nnf,[status(thm)],[222]) ).
fof(1122,plain,
! [X2] :
( ~ tptpcol_2_98304(X2)
| tptpcol_1_65536(X2) ),
inference(variable_rename,[status(thm)],[1121]) ).
cnf(1123,plain,
( tptpcol_1_65536(X1)
| ~ tptpcol_2_98304(X1) ),
inference(split_conjunct,[status(thm)],[1122]) ).
fof(1192,plain,
! [X1] :
( ~ tptpcol_12_109157(X1)
| tptpcol_11_109125(X1) ),
inference(fof_nnf,[status(thm)],[249]) ).
fof(1193,plain,
! [X2] :
( ~ tptpcol_12_109157(X2)
| tptpcol_11_109125(X2) ),
inference(variable_rename,[status(thm)],[1192]) ).
cnf(1194,plain,
( tptpcol_11_109125(X1)
| ~ tptpcol_12_109157(X1) ),
inference(split_conjunct,[status(thm)],[1193]) ).
fof(1217,plain,
! [X1] :
( ~ tptpcol_13_109173(X1)
| tptpcol_12_109157(X1) ),
inference(fof_nnf,[status(thm)],[260]) ).
fof(1218,plain,
! [X2] :
( ~ tptpcol_13_109173(X2)
| tptpcol_12_109157(X2) ),
inference(variable_rename,[status(thm)],[1217]) ).
cnf(1219,plain,
( tptpcol_12_109157(X1)
| ~ tptpcol_13_109173(X1) ),
inference(split_conjunct,[status(thm)],[1218]) ).
fof(1261,plain,
! [X1] :
( ~ tptpcol_8_109059(X1)
| tptpcol_7_108547(X1) ),
inference(fof_nnf,[status(thm)],[276]) ).
fof(1262,plain,
! [X2] :
( ~ tptpcol_8_109059(X2)
| tptpcol_7_108547(X2) ),
inference(variable_rename,[status(thm)],[1261]) ).
cnf(1263,plain,
( tptpcol_7_108547(X1)
| ~ tptpcol_8_109059(X1) ),
inference(split_conjunct,[status(thm)],[1262]) ).
cnf(1278,plain,
firstordercollection(c_tptpcol_16_62187),
inference(split_conjunct,[status(thm)],[285]) ).
fof(1328,plain,
! [X2] :
( ~ tptpcol_1_65536(X2)
| isa(X2,c_tptpcol_1_65536) ),
inference(fof_nnf,[status(thm)],[304]) ).
fof(1329,plain,
! [X3] :
( ~ tptpcol_1_65536(X3)
| isa(X3,c_tptpcol_1_65536) ),
inference(variable_rename,[status(thm)],[1328]) ).
cnf(1330,plain,
( isa(X1,c_tptpcol_1_65536)
| ~ tptpcol_1_65536(X1) ),
inference(split_conjunct,[status(thm)],[1329]) ).
fof(1334,plain,
! [X2] :
( ~ isa(X2,c_tptpcol_1_65536)
| tptpcol_1_65536(X2) ),
inference(fof_nnf,[status(thm)],[306]) ).
fof(1335,plain,
! [X3] :
( ~ isa(X3,c_tptpcol_1_65536)
| tptpcol_1_65536(X3) ),
inference(variable_rename,[status(thm)],[1334]) ).
cnf(1336,plain,
( tptpcol_1_65536(X1)
| ~ isa(X1,c_tptpcol_1_65536) ),
inference(split_conjunct,[status(thm)],[1335]) ).
fof(1346,plain,
! [X1] :
( ~ tptpcol_4_106497(X1)
| tptpcol_3_98305(X1) ),
inference(fof_nnf,[status(thm)],[311]) ).
fof(1347,plain,
! [X2] :
( ~ tptpcol_4_106497(X2)
| tptpcol_3_98305(X2) ),
inference(variable_rename,[status(thm)],[1346]) ).
cnf(1348,plain,
( tptpcol_3_98305(X1)
| ~ tptpcol_4_106497(X1) ),
inference(split_conjunct,[status(thm)],[1347]) ).
fof(1379,plain,
! [X1] :
( ~ tptpcol_3_98305(X1)
| tptpcol_2_98304(X1) ),
inference(fof_nnf,[status(thm)],[324]) ).
fof(1380,plain,
! [X2] :
( ~ tptpcol_3_98305(X2)
| tptpcol_2_98304(X2) ),
inference(variable_rename,[status(thm)],[1379]) ).
cnf(1381,plain,
( tptpcol_2_98304(X1)
| ~ tptpcol_3_98305(X1) ),
inference(split_conjunct,[status(thm)],[1380]) ).
fof(1421,plain,
! [X1] :
( ~ tptpcol_11_109125(X1)
| tptpcol_10_109061(X1) ),
inference(fof_nnf,[status(thm)],[342]) ).
fof(1422,plain,
! [X2] :
( ~ tptpcol_11_109125(X2)
| tptpcol_10_109061(X2) ),
inference(variable_rename,[status(thm)],[1421]) ).
cnf(1423,plain,
( tptpcol_10_109061(X1)
| ~ tptpcol_11_109125(X1) ),
inference(split_conjunct,[status(thm)],[1422]) ).
fof(1575,plain,
! [X1] :
( ~ tptpcol_15_109185(X1)
| tptpcol_14_109181(X1) ),
inference(fof_nnf,[status(thm)],[402]) ).
fof(1576,plain,
! [X2] :
( ~ tptpcol_15_109185(X2)
| tptpcol_14_109181(X2) ),
inference(variable_rename,[status(thm)],[1575]) ).
cnf(1577,plain,
( tptpcol_14_109181(X1)
| ~ tptpcol_15_109185(X1) ),
inference(split_conjunct,[status(thm)],[1576]) ).
fof(1589,plain,
! [X1] :
( ~ tptpcol_7_108547(X1)
| tptpcol_6_108546(X1) ),
inference(fof_nnf,[status(thm)],[410]) ).
fof(1590,plain,
! [X2] :
( ~ tptpcol_7_108547(X2)
| tptpcol_6_108546(X2) ),
inference(variable_rename,[status(thm)],[1589]) ).
cnf(1591,plain,
( tptpcol_6_108546(X1)
| ~ tptpcol_7_108547(X1) ),
inference(split_conjunct,[status(thm)],[1590]) ).
fof(1692,plain,
! [X1] :
( ~ tptpcol_1_65536(X1)
| tptpcol_0_0(X1) ),
inference(fof_nnf,[status(thm)],[453]) ).
fof(1693,plain,
! [X2] :
( ~ tptpcol_1_65536(X2)
| tptpcol_0_0(X2) ),
inference(variable_rename,[status(thm)],[1692]) ).
cnf(1694,plain,
( tptpcol_0_0(X1)
| ~ tptpcol_1_65536(X1) ),
inference(split_conjunct,[status(thm)],[1693]) ).
fof(1819,plain,
! [X1] :
( ~ tptpcol_14_109181(X1)
| tptpcol_13_109173(X1) ),
inference(fof_nnf,[status(thm)],[502]) ).
fof(1820,plain,
! [X2] :
( ~ tptpcol_14_109181(X2)
| tptpcol_13_109173(X2) ),
inference(variable_rename,[status(thm)],[1819]) ).
cnf(1821,plain,
( tptpcol_13_109173(X1)
| ~ tptpcol_14_109181(X1) ),
inference(split_conjunct,[status(thm)],[1820]) ).
fof(1910,negated_conjecture,
( mtvisible(f_contentmtofcdafromeventfn(f_urlreferentfn(f_urlfn(s_http_wwwthedailybulletincompostcardsmar9chtm)),c_translation_14))
& tptpcol_15_109185(c_tptpcol_16_62187) ),
inference(fof_nnf,[status(thm)],[543]) ).
cnf(1911,negated_conjecture,
tptpcol_15_109185(c_tptpcol_16_62187),
inference(split_conjunct,[status(thm)],[1910]) ).
cnf(1916,plain,
( collection(X1)
| ~ firstordercollection(X1) ),
inference(spm,[status(thm)],[1066,1004,theory(equality)]) ).
cnf(1917,plain,
( tptpcol_7_108547(X1)
| ~ tptpcol_9_109060(X1) ),
inference(spm,[status(thm)],[1263,975,theory(equality)]) ).
cnf(1918,plain,
( tptpcol_13_109173(X1)
| ~ tptpcol_15_109185(X1) ),
inference(spm,[status(thm)],[1821,1577,theory(equality)]) ).
cnf(1920,plain,
( tptpcol_11_109125(X1)
| ~ tptpcol_13_109173(X1) ),
inference(spm,[status(thm)],[1194,1219,theory(equality)]) ).
cnf(1922,plain,
( individual(X1)
| ~ tptpcol_1_65536(X1) ),
inference(spm,[status(thm)],[1056,1694,theory(equality)]) ).
cnf(1926,plain,
( tptpcol_1_65536(X1)
| ~ tptpcol_3_98305(X1) ),
inference(spm,[status(thm)],[1123,1381,theory(equality)]) ).
cnf(3139,plain,
collection(c_tptpcol_16_62187),
inference(spm,[status(thm)],[1916,1278,theory(equality)]) ).
cnf(3168,plain,
( tptpcol_6_108546(X1)
| ~ tptpcol_9_109060(X1) ),
inference(spm,[status(thm)],[1591,1917,theory(equality)]) ).
cnf(3209,plain,
( tptpcol_11_109125(X1)
| ~ tptpcol_15_109185(X1) ),
inference(spm,[status(thm)],[1920,1918,theory(equality)]) ).
cnf(3236,plain,
( ~ collection(X1)
| ~ tptpcol_1_65536(X1) ),
inference(spm,[status(thm)],[552,1922,theory(equality)]) ).
cnf(3239,plain,
( ~ collection(X1)
| ~ isa(X1,c_tptpcol_1_65536) ),
inference(spm,[status(thm)],[3236,1336,theory(equality)]) ).
cnf(3293,plain,
( tptpcol_1_65536(X1)
| ~ tptpcol_4_106497(X1) ),
inference(spm,[status(thm)],[1926,1348,theory(equality)]) ).
cnf(3567,plain,
~ isa(c_tptpcol_16_62187,c_tptpcol_1_65536),
inference(spm,[status(thm)],[3239,3139,theory(equality)]) ).
cnf(5869,plain,
( tptpcol_10_109061(X1)
| ~ tptpcol_15_109185(X1) ),
inference(spm,[status(thm)],[1423,3209,theory(equality)]) ).
cnf(5871,plain,
( tptpcol_9_109060(X1)
| ~ tptpcol_15_109185(X1) ),
inference(spm,[status(thm)],[981,5869,theory(equality)]) ).
cnf(5913,plain,
( tptpcol_6_108546(X1)
| ~ tptpcol_15_109185(X1) ),
inference(spm,[status(thm)],[3168,5871,theory(equality)]) ).
cnf(5914,plain,
( tptpcol_5_106498(X1)
| ~ tptpcol_15_109185(X1) ),
inference(spm,[status(thm)],[646,5913,theory(equality)]) ).
cnf(5918,plain,
( tptpcol_4_106497(X1)
| ~ tptpcol_15_109185(X1) ),
inference(spm,[status(thm)],[568,5914,theory(equality)]) ).
cnf(5920,negated_conjecture,
tptpcol_4_106497(c_tptpcol_16_62187),
inference(spm,[status(thm)],[5918,1911,theory(equality)]) ).
cnf(5953,negated_conjecture,
tptpcol_1_65536(c_tptpcol_16_62187),
inference(spm,[status(thm)],[3293,5920,theory(equality)]) ).
cnf(5957,negated_conjecture,
isa(c_tptpcol_16_62187,c_tptpcol_1_65536),
inference(spm,[status(thm)],[1330,5953,theory(equality)]) ).
cnf(5965,negated_conjecture,
$false,
inference(sr,[status(thm)],[5957,3567,theory(equality)]) ).
cnf(5966,negated_conjecture,
$false,
5965,
[proof] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% % SZS status Started for /home/graph/tptp/TPTP/Problems/CSR/CSR040+2.p
% --creating new selector for [CSR002+1.ax]
% -running prover on /tmp/tmpBN3dEY/sel_CSR040+2.p_1 with time limit 29
% -prover status CounterSatisfiable
% -running prover on /tmp/tmpBN3dEY/sel_CSR040+2.p_2 with time limit 89
% -prover status CounterSatisfiable
% --creating new selector for [CSR002+1.ax]
% -running prover on /tmp/tmpBN3dEY/sel_CSR040+2.p_3 with time limit 119
% -prover status CounterSatisfiable
% --creating new selector for [CSR002+1.ax]
% -running prover on /tmp/tmpBN3dEY/sel_CSR040+2.p_4 with time limit 149
% -prover status Theorem
% Problem CSR040+2.p solved in phase 3.
% % SZS status Theorem for /home/graph/tptp/TPTP/Problems/CSR/CSR040+2.p
% % SZS status Ended for /home/graph/tptp/TPTP/Problems/CSR/CSR040+2.p
% Solved 1 out of 1.
% # Problem is unsatisfiable (or provable), constructing proof object
% # SZS status Theorem
% # SZS output start CNFRefutation.
% See solution above
% # SZS output end CNFRefutation
%
%------------------------------------------------------------------------------