0.00/0.00	% File    : /export/starexec/sandbox/benchmark/theBenchmark.p
0.00/0.00	% app-encoded or not : original
0.00/0.00	% Variant    : supatvars_ext
0.00/0.00	% Ordering    : kbo
0.00/0.00	% Command    : 
0.00/0.00	#!/bin/sh
0.00/0.00	
0.00/0.00	./zipperposition.native ${1:+"$1"} \
0.00/0.00	  -i tptp \
0.00/0.00	  -o tptp \
0.00/0.00	  --timeout "$STAREXEC_WALLCLOCK_LIMIT" \
0.00/0.00	  --mem-limit "$STAREXEC_MAX_MEM" \
0.00/0.00	  --no-avatar \
0.00/0.00	  --ho \
0.00/0.00	  --force-ho \
0.00/0.00	  --no-ho-elim-pred-var \
0.00/0.00	  --ho-general-ext-pos \
0.00/0.00	  --no-ho-unif \
0.00/0.00	  --no-induction \
0.00/0.00	  --no-unif-pattern \
0.00/0.00	  --ord $2  \
0.00/0.00	  --simultaneous-sup false \
0.00/0.00	  --sup-at-vars \
0.00/0.00	  --restrict-hidden-sup-at-vars \
0.00/0.00	  --ho-ext-axiom \
0.00/0.00	  --ho-prim-enum none \
0.00/0.00	  --no-max-vars \
0.00/0.00	  --dont-select-ho-var-lits \
0.00/0.00	  --no-fool
0.00/0.20	% Computer   : n147.star.cs.uiowa.edu
0.00/0.20	% Model      : x86_64 x86_64
0.00/0.20	% CPU        : Intel(R) Xeon(R) CPU E5-2609 0 @ 2.40GHz
0.00/0.20	% Memory     : 32218.625MB
0.00/0.20	% OS         : Linux 3.10.0-693.2.2.el7.x86_64
0.00/0.20	% CPULimit   : 300
0.00/0.20	% DateTime   : Fri Feb  2 18:39:38 CST 2018
0.00/0.38	% done 39 iterations in 0.176s
0.00/0.38	% SZS status Theorem for '/export/starexec/sandbox/benchmark/theBenchmark.p'
0.00/0.38	% SZS output start Refutation
0.00/0.38	tff('thm/iterate/NSUM_EQ_0_IFF_NUMSEG_', conjecture,
0.00/0.38	  (![A:('type/nums/num' > 'type/nums/num'),A0:'type/nums/num',
0.00/0.38	     A1:'type/nums/num']:
0.00/0.38	     (('const/iterate/nsum'('type/nums/num','const/iterate/..'(A0,A1),A) =
0.00/0.38	       'const/nums/NUMERAL'('const/nums/_0')) <=>
0.00/0.38	      (![A2:'type/nums/num']:
0.00/0.38	         (('const/arith/<='(A2,A1) & 'const/arith/<='(A0,A2)) =>
0.00/0.38	          (A(A2) = 'const/nums/NUMERAL'('const/nums/_0'))))))).
0.00/0.38	tff(zf_stmt_0, negated_conjecture,
0.00/0.38	  (~
0.00/0.38	    (![A:('type/nums/num' > 'type/nums/num'),A0:'type/nums/num',
0.00/0.38	       A1:'type/nums/num']:
0.00/0.38	       (('const/iterate/nsum'('type/nums/num','const/iterate/..'(A0,A1),A) =
0.00/0.38	         'const/nums/NUMERAL'('const/nums/_0')) <=>
0.00/0.38	        (![A2:'type/nums/num']:
0.00/0.38	           (('const/arith/<='(A2,A1) & 'const/arith/<='(A0,A2)) =>
0.00/0.38	            (A(A2) = 'const/nums/NUMERAL'('const/nums/_0')))))))).
0.00/0.38	tff('0', plain,
0.00/0.38	    ('const/arith/<='(sk_A0, sk_A21)
0.00/0.38	     | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	         'const/iterate/..'(sk_A0, sk_A1), sk_A)
0.00/0.38	        != 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('cnf', [status(esa)], [zf_stmt_0])).
0.00/0.38	tff('thm/iterate/NSUM_EQ_0_IFF_', axiom,
0.00/0.38	  (![A:$tType,A0:(A > 'type/nums/num'),A1:(A > $o)]:
0.00/0.38	     ('const/sets/FINITE'(A,A1) =>
0.00/0.38	      (('const/iterate/nsum'(A,A1,A0) = 'const/nums/NUMERAL'('const/nums/_0')) <=>
0.00/0.38	       (![A2:A]:
0.00/0.38	          ('const/sets/IN'(A,A2,A1) =>
0.00/0.38	           (A0(A2) = 'const/nums/NUMERAL'('const/nums/_0')))))))).
0.00/0.38	tff('1', plain,
0.00/0.38	    ![X4 : $tType, X5 : X4 > $o, X6 : X4 > 'type/nums/num']:
0.00/0.38	      ('const/sets/IN'(X4, sk_A2(X4, X5, X6), X5)
0.00/0.38	       | 'const/iterate/nsum'(X4, X5, X6)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | ~ 'const/sets/FINITE'(X4, X5)),
0.00/0.38	    inference('cnf', [status(esa)], [thm/iterate/NSUM_EQ_0_IFF_])).
0.00/0.38	tff('thm/iterate/IN_NUMSEG_', axiom,
0.00/0.38	  (![A:'type/nums/num',A0:'type/nums/num',A1:'type/nums/num']:
0.00/0.38	     ('const/sets/IN'('type/nums/num',A1,'const/iterate/..'(A,A0)) <=>
0.00/0.38	      ('const/arith/<='(A1,A0) & 'const/arith/<='(A,A1))))).
0.00/0.38	tff('2', plain,
0.00/0.38	    ![X0 : 'type/nums/num', X1 : 'type/nums/num', X2 : 'type/nums/num']:
0.00/0.38	      ('const/arith/<='(X2, X0)
0.00/0.38	       | ~ 'const/sets/IN'('type/nums/num', X0, 'const/iterate/..'(X2, X1))),
0.00/0.38	    inference('cnf', [status(esa)], [thm/iterate/IN_NUMSEG_])).
0.00/0.38	tff('3', plain,
0.00/0.38	    ![X0 : 'type/nums/num', X1 : 'type/nums/num', 
0.00/0.38	      X2 : 'type/nums/num' > 'type/nums/num']:
0.00/0.38	      (~ $true
0.00/0.38	       | ~ 'const/sets/FINITE'('type/nums/num', 'const/iterate/..'(X1, X0))
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 'const/iterate/..'(X1, X0), 
0.00/0.38	           X2)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | 'const/arith/<='(X1, 
0.00/0.38	           sk_A2('type/nums/num', 'const/iterate/..'(X1, X0), X2))),
0.00/0.38	    inference('sup-', [status(thm)], ['1', '2'])).
0.00/0.38	tff('thm/iterate/FINITE_NUMSEG_', axiom,
0.00/0.38	  (![A:'type/nums/num',A0:'type/nums/num']:
0.00/0.38	     'const/sets/FINITE'('type/nums/num','const/iterate/..'(A,A0)))).
0.00/0.38	tff('4', plain,
0.00/0.38	    ![X8 : 'type/nums/num', X9 : 'type/nums/num']:
0.00/0.38	      'const/sets/FINITE'('type/nums/num', 'const/iterate/..'(X8, X9)),
0.00/0.38	    inference('cnf', [status(esa)], [thm/iterate/FINITE_NUMSEG_])).
0.00/0.38	tff('5', plain,
0.00/0.38	    ![X0 : 'type/nums/num', X1 : 'type/nums/num', 
0.00/0.38	      X2 : 'type/nums/num' > 'type/nums/num']:
0.00/0.38	      (~ $true
0.00/0.38	       | ~ $true
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 'const/iterate/..'(X1, X0), 
0.00/0.38	           X2)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | 'const/arith/<='(X1, 
0.00/0.38	           sk_A2('type/nums/num', 'const/iterate/..'(X1, X0), X2))),
0.00/0.38	    inference('demod', [status(thm)], ['3', '4'])).
0.00/0.38	tff('6', plain,
0.00/0.38	    ![X0 : 'type/nums/num', X1 : 'type/nums/num', 
0.00/0.38	      X2 : 'type/nums/num' > 'type/nums/num']:
0.00/0.38	      ('const/arith/<='(X1, 
0.00/0.38	         sk_A2('type/nums/num', 'const/iterate/..'(X1, X0), X2))
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 'const/iterate/..'(X1, X0), 
0.00/0.38	           X2)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('simplify', [status(thm)], ['5'])).
0.00/0.38	tff('7', plain,
0.00/0.38	    ![X0 : 'type/nums/num', X1 : 'type/nums/num', X2 : 'type/nums/num']:
0.00/0.38	      ('const/arith/<='(X0, X1)
0.00/0.38	       | ~ 'const/sets/IN'('type/nums/num', X0, 'const/iterate/..'(X2, X1))),
0.00/0.38	    inference('cnf', [status(esa)], [thm/iterate/IN_NUMSEG_])).
0.00/0.38	tff('8', plain,
0.00/0.38	    ![X0 : 'type/nums/num', X1 : 'type/nums/num', 
0.00/0.38	      X2 : 'type/nums/num' > 'type/nums/num']:
0.00/0.38	      (~ $true
0.00/0.38	       | ~ 'const/sets/FINITE'('type/nums/num', 'const/iterate/..'(X1, X0))
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 'const/iterate/..'(X1, X0), 
0.00/0.38	           X2)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | 'const/arith/<='(
0.00/0.38	           sk_A2('type/nums/num', 'const/iterate/..'(X1, X0), X2), X0)),
0.00/0.38	    inference('sup-', [status(thm)], ['1', '7'])).
0.00/0.38	tff('9', plain,
0.00/0.38	    ![X0 : 'type/nums/num', X1 : 'type/nums/num', 
0.00/0.38	      X2 : 'type/nums/num' > 'type/nums/num']:
0.00/0.38	      (~ $true
0.00/0.38	       | ~ $true
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 'const/iterate/..'(X1, X0), 
0.00/0.38	           X2)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | 'const/arith/<='(
0.00/0.38	           sk_A2('type/nums/num', 'const/iterate/..'(X1, X0), X2), X0)),
0.00/0.38	    inference('demod', [status(thm)], ['8', '4'])).
0.00/0.38	tff('10', plain,
0.00/0.38	    ![X0 : 'type/nums/num', X1 : 'type/nums/num', 
0.00/0.38	      X2 : 'type/nums/num' > 'type/nums/num']:
0.00/0.38	      ('const/arith/<='(
0.00/0.38	         sk_A2('type/nums/num', 'const/iterate/..'(X1, X0), X2), X0)
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 'const/iterate/..'(X1, X0), 
0.00/0.38	           X2)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('simplify', [status(thm)], ['9'])).
0.00/0.38	tff('11', plain,
0.00/0.38	    ![X10 : 'type/nums/num']:
0.00/0.38	      (~ 'const/arith/<='(X10, sk_A1)
0.00/0.38	       | ~ 'const/arith/<='(sk_A0, X10)
0.00/0.38	       | sk_A(X10) = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	           'const/iterate/..'(sk_A0, sk_A1), sk_A)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('cnf', [status(esa)], [zf_stmt_0])).
0.00/0.38	tff('12', plain,
0.00/0.38	    ![X0 : 'type/nums/num' > 'type/nums/num', X1 : 'type/nums/num']:
0.00/0.38	      (~ $true
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	           'const/iterate/..'(X1, sk_A1), X0)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	           'const/iterate/..'(sk_A0, sk_A1), sk_A)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | sk_A(sk_A2('type/nums/num', 'const/iterate/..'(X1, sk_A1), X0))
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | ~ 'const/arith/<='(sk_A0, 
0.00/0.38	             sk_A2('type/nums/num', 'const/iterate/..'(X1, sk_A1), X0))),
0.00/0.38	    inference('sup-', [status(thm)], ['10', '11'])).
0.00/0.38	tff('13', plain,
0.00/0.38	    ![X0 : 'type/nums/num' > 'type/nums/num', X1 : 'type/nums/num']:
0.00/0.38	      (~ 'const/arith/<='(sk_A0, 
0.00/0.38	           sk_A2('type/nums/num', 'const/iterate/..'(X1, sk_A1), X0))
0.00/0.38	       | sk_A(sk_A2('type/nums/num', 'const/iterate/..'(X1, sk_A1), X0))
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	           'const/iterate/..'(sk_A0, sk_A1), sk_A)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	           'const/iterate/..'(X1, sk_A1), X0)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('simplify', [status(thm)], ['12'])).
0.00/0.38	tff('14', plain,
0.00/0.38	    ![X0 : 'type/nums/num' > 'type/nums/num']:
0.00/0.38	      (~ $true
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	           'const/iterate/..'(sk_A0, sk_A1), X0)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	           'const/iterate/..'(sk_A0, sk_A1), X0)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	           'const/iterate/..'(sk_A0, sk_A1), sk_A)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | sk_A(sk_A2('type/nums/num', 'const/iterate/..'(sk_A0, sk_A1), X0))
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('sup-', [status(thm)], ['6', '13'])).
0.00/0.38	tff('15', plain,
0.00/0.38	    ![X0 : 'type/nums/num' > 'type/nums/num']:
0.00/0.38	      (sk_A(sk_A2('type/nums/num', 'const/iterate/..'(sk_A0, sk_A1), X0))
0.00/0.38	        = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	           'const/iterate/..'(sk_A0, sk_A1), sk_A)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	           'const/iterate/..'(sk_A0, sk_A1), X0)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('simplify', [status(thm)], ['14'])).
0.00/0.38	tff('16', plain,
0.00/0.38	    ![X4 : $tType, X5 : X4 > $o, X6 : X4 > 'type/nums/num']:
0.00/0.38	      (X6(sk_A2(X4, X5, X6)) != 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | 'const/iterate/nsum'(X4, X5, X6)
0.00/0.38	          = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | ~ 'const/sets/FINITE'(X4, X5)),
0.00/0.38	    inference('cnf', [status(esa)], [thm/iterate/NSUM_EQ_0_IFF_])).
0.00/0.38	tff('17', plain,
0.00/0.38	    ('const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	      != 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	     | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	         'const/iterate/..'(sk_A0, sk_A1), sk_A)
0.00/0.38	        = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	     | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	         'const/iterate/..'(sk_A0, sk_A1), sk_A)
0.00/0.38	        = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	     | ~ 'const/sets/FINITE'('type/nums/num', 
0.00/0.38	           'const/iterate/..'(sk_A0, sk_A1))
0.00/0.38	     | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	         'const/iterate/..'(sk_A0, sk_A1), sk_A)
0.00/0.38	        = 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('sup-', [status(thm)], ['15', '16'])).
0.00/0.38	tff('18', plain,
0.00/0.38	    ('const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	      != 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	     | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	         'const/iterate/..'(sk_A0, sk_A1), sk_A)
0.00/0.38	        = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	     | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	         'const/iterate/..'(sk_A0, sk_A1), sk_A)
0.00/0.38	        = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	     | ~ $true
0.00/0.38	     | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	         'const/iterate/..'(sk_A0, sk_A1), sk_A)
0.00/0.38	        = 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('demod', [status(thm)], ['17', '4'])).
0.00/0.38	tff('19', plain,
0.00/0.38	    'const/iterate/nsum'('type/nums/num', 'const/iterate/..'(sk_A0, sk_A1), 
0.00/0.38	      sk_A)
0.00/0.38	     = 'const/nums/NUMERAL'('const/nums/_0'),
0.00/0.38	    inference('simplify', [status(thm)], ['18'])).
0.00/0.38	tff('20', plain,
0.00/0.38	    ('const/arith/<='(sk_A0, sk_A21)
0.00/0.38	     | 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	        != 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('demod', [status(thm)], ['0', '19'])).
0.00/0.38	tff('21', plain, 'const/arith/<='(sk_A0, sk_A21),
0.00/0.38	    inference('simplify', [status(thm)], ['20'])).
0.00/0.38	tff('22', plain,
0.00/0.38	    ![X1 : 'type/nums/num', X2 : 'type/nums/num', X3 : 'type/nums/num']:
0.00/0.38	      ('const/sets/IN'('type/nums/num', X3, 'const/iterate/..'(X2, X1))
0.00/0.38	       | ~ 'const/arith/<='(X2, X3)
0.00/0.38	       | ~ 'const/arith/<='(X3, X1)),
0.00/0.38	    inference('cnf', [status(esa)], [thm/iterate/IN_NUMSEG_])).
0.00/0.38	tff('23', plain,
0.00/0.38	    ![X4 : $tType, X5 : X4 > $o, X6 : X4 > 'type/nums/num', X7 : X4]:
0.00/0.38	      ('const/iterate/nsum'(X4, X5, X6)
0.00/0.38	        != 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | X6(X7) = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | ~ 'const/sets/IN'(X4, X7, X5)
0.00/0.38	       | ~ 'const/sets/FINITE'(X4, X5)),
0.00/0.38	    inference('cnf', [status(esa)], [thm/iterate/NSUM_EQ_0_IFF_])).
0.00/0.38	tff('24', plain,
0.00/0.38	    ![X0 : 'type/nums/num']:
0.00/0.38	      ('const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	        != 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | ~ 'const/sets/FINITE'('type/nums/num', 
0.00/0.38	             'const/iterate/..'(sk_A0, sk_A1))
0.00/0.38	       | ~ 'const/sets/IN'('type/nums/num', X0, 
0.00/0.38	             'const/iterate/..'(sk_A0, sk_A1))
0.00/0.38	       | sk_A(X0) = 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('sup-', [status(thm)], ['19', '23'])).
0.00/0.38	tff('25', plain,
0.00/0.38	    ![X0 : 'type/nums/num']:
0.00/0.38	      ('const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	        != 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | ~ $true
0.00/0.38	       | ~ 'const/sets/IN'('type/nums/num', X0, 
0.00/0.38	             'const/iterate/..'(sk_A0, sk_A1))
0.00/0.38	       | sk_A(X0) = 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('demod', [status(thm)], ['24', '4'])).
0.00/0.38	tff('26', plain,
0.00/0.38	    ![X0 : 'type/nums/num']:
0.00/0.38	      (sk_A(X0) = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | ~ 'const/sets/IN'('type/nums/num', X0, 
0.00/0.38	             'const/iterate/..'(sk_A0, sk_A1))),
0.00/0.38	    inference('simplify', [status(thm)], ['25'])).
0.00/0.38	tff('27', plain,
0.00/0.38	    ![X0 : 'type/nums/num']:
0.00/0.38	      (~ $true
0.00/0.38	       | ~ 'const/arith/<='(X0, sk_A1)
0.00/0.38	       | ~ 'const/arith/<='(sk_A0, X0)
0.00/0.38	       | sk_A(X0) = 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('sup-', [status(thm)], ['22', '26'])).
0.00/0.38	tff('28', plain,
0.00/0.38	    ![X0 : 'type/nums/num']:
0.00/0.38	      (sk_A(X0) = 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	       | ~ 'const/arith/<='(sk_A0, X0)
0.00/0.38	       | ~ 'const/arith/<='(X0, sk_A1)),
0.00/0.38	    inference('simplify', [status(thm)], ['27'])).
0.00/0.38	tff('29', plain,
0.00/0.38	    (~ $true
0.00/0.38	     | ~ 'const/arith/<='(sk_A21, sk_A1)
0.00/0.38	     | sk_A(sk_A21) = 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('sup-', [status(thm)], ['21', '28'])).
0.00/0.38	tff('30', plain,
0.00/0.38	    ('const/arith/<='(sk_A21, sk_A1)
0.00/0.38	     | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	         'const/iterate/..'(sk_A0, sk_A1), sk_A)
0.00/0.38	        != 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('cnf', [status(esa)], [zf_stmt_0])).
0.00/0.38	tff('31', plain,
0.00/0.38	    ('const/arith/<='(sk_A21, sk_A1)
0.00/0.38	     | 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	        != 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('demod', [status(thm)], ['30', '19'])).
0.00/0.38	tff('32', plain, 'const/arith/<='(sk_A21, sk_A1),
0.00/0.38	    inference('simplify', [status(thm)], ['31'])).
0.00/0.38	tff('33', plain,
0.00/0.38	    (~ $true | ~ $true | sk_A(sk_A21) = 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('demod', [status(thm)], ['29', '32'])).
0.00/0.38	tff('34', plain, sk_A(sk_A21) = 'const/nums/NUMERAL'('const/nums/_0'),
0.00/0.38	    inference('simplify', [status(thm)], ['33'])).
0.00/0.38	tff('35', plain,
0.00/0.38	    (sk_A(sk_A21) != 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	     | 'const/iterate/nsum'('type/nums/num', 
0.00/0.38	         'const/iterate/..'(sk_A0, sk_A1), sk_A)
0.00/0.38	        != 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('cnf', [status(esa)], [zf_stmt_0])).
0.00/0.38	tff('36', plain,
0.00/0.38	    (sk_A(sk_A21) != 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	     | 'const/nums/NUMERAL'('const/nums/_0')
0.00/0.38	        != 'const/nums/NUMERAL'('const/nums/_0')),
0.00/0.38	    inference('demod', [status(thm)], ['35', '19'])).
0.00/0.38	tff('37', plain, sk_A(sk_A21) != 'const/nums/NUMERAL'('const/nums/_0'),
0.00/0.38	    inference('simplify', [status(thm)], ['36'])).
0.00/0.38	tff('38', plain, $false,
0.00/0.38	    inference('simplify_reflect-', [status(thm)], ['34', '37'])).
0.00/0.38	
0.00/0.38	% SZS output end Refutation
0.00/0.38	EOF
