0.00/0.01	% File    : /export/starexec/sandbox2/benchmark/theBenchmark.p
0.00/0.01	% app-encoded or not : original
0.00/0.01	% Variant    : supatvars_ext
0.00/0.01	% Ordering    : kbo
0.00/0.01	% Command    : 
0.00/0.01	#!/bin/sh
0.00/0.01	
0.00/0.01	./zipperposition.native ${1:+"$1"} \
0.00/0.01	  -i tptp \
0.00/0.01	  -o tptp \
0.00/0.01	  --timeout "$STAREXEC_WALLCLOCK_LIMIT" \
0.00/0.01	  --mem-limit "$STAREXEC_MAX_MEM" \
0.00/0.01	  --no-avatar \
0.00/0.01	  --ho \
0.00/0.01	  --force-ho \
0.00/0.01	  --no-ho-elim-pred-var \
0.00/0.01	  --ho-general-ext-pos \
0.00/0.01	  --no-ho-unif \
0.00/0.01	  --no-induction \
0.00/0.01	  --no-unif-pattern \
0.00/0.01	  --ord $2  \
0.00/0.01	  --simultaneous-sup false \
0.00/0.01	  --sup-at-vars \
0.00/0.01	  --restrict-hidden-sup-at-vars \
0.00/0.01	  --ho-ext-axiom \
0.00/0.01	  --ho-prim-enum none \
0.00/0.01	  --no-max-vars \
0.00/0.01	  --dont-select-ho-var-lits \
0.00/0.01	  --no-fool
0.00/0.20	% Computer   : n158.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 17:31:38 CST 2018
0.00/0.27	% done 135 iterations in 0.060s
0.00/0.27	% SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
0.00/0.27	% SZS output start Refutation
0.00/0.27	tff(cPENTAGON_THM2D_pme, conjecture,
0.00/0.27	  (![JOIN:((a * a) > a),MEET:((a * a) > a)]:
0.00/0.27	     (((~
0.00/0.27	         (![Xx:a,Xy:a,Xz:a]:
0.00/0.27	            (JOIN(Xx,MEET(Xy,JOIN(Xx,Xz))) = MEET(JOIN(Xx,Xy),JOIN(Xx,Xz))))) & 
0.00/0.27	       (?[Xx:a,Xy:a,Xa:a,Xb:a,Xc:a]:
0.00/0.27	          ((Xx != Xy) & (Xc != Xy) & (Xc != Xx) & (Xb != Xy) & (Xb != Xx) & 
0.00/0.27	           (Xb != Xc) & (Xa != Xy) & (Xa != Xx) & (Xa != Xc) & (Xa != Xb))) & 
0.00/0.27	       (![Xx:a,Xy:a]: (MEET(JOIN(Xx,Xy),Xy) = Xy)) & 
0.00/0.27	       (![Xx:a,Xy:a]: (JOIN(MEET(Xx,Xy),Xy) = Xy)) & 
0.00/0.27	       (![Xx:a,Xy:a]: (MEET(Xx,Xy) = MEET(Xy,Xx))) & 
0.00/0.27	       (![Xx:a,Xy:a]: (JOIN(Xx,Xy) = JOIN(Xy,Xx))) & 
0.00/0.27	       (![Xx:a,Xy:a,Xz:a]: (MEET(MEET(Xx,Xy),Xz) = MEET(Xx,MEET(Xy,Xz)))) & 
0.00/0.27	       (![Xx:a,Xy:a,Xz:a]: (JOIN(JOIN(Xx,Xy),Xz) = JOIN(Xx,JOIN(Xy,Xz)))) & 
0.00/0.27	       (![Xx:a]: (MEET(Xx,Xx) = Xx)) & (![Xx:a]: (JOIN(Xx,Xx) = Xx))) =>
0.00/0.27	      (?[Xx:a,Xy:a,Xa:a,Xb:a,Xc:a]:
0.00/0.27	         ((JOIN(Xc,Xy) = Xc) & (MEET(Xc,Xy) = Xy) & (JOIN(Xb,Xy) = Xb) & 
0.00/0.27	          (MEET(Xb,Xy) = Xy) & (JOIN(Xb,Xc) = Xx) & (MEET(Xb,Xc) = Xy) & 
0.00/0.27	          (JOIN(Xa,Xy) = Xa) & (MEET(Xa,Xy) = Xy) & (JOIN(Xa,Xc) = Xc) & 
0.00/0.27	          (MEET(Xa,Xc) = Xa) & (JOIN(Xa,Xb) = Xx) & (MEET(Xa,Xb) = Xy) & 
0.00/0.27	          (JOIN(Xx,Xc) = Xx) & (MEET(Xx,Xc) = Xc) & (JOIN(Xx,Xb) = Xx) & 
0.00/0.27	          (MEET(Xx,Xb) = Xb) & (JOIN(Xx,Xa) = Xx) & (MEET(Xx,Xa) = Xa) & 
0.00/0.27	          (JOIN(Xx,Xy) = Xx) & (MEET(Xx,Xy) = Xy)))))).
0.00/0.27	tff(zf_stmt_0, negated_conjecture,
0.00/0.27	  (~
0.00/0.27	    (![JOIN:((a * a) > a),MEET:((a * a) > a)]:
0.00/0.27	       (((~
0.00/0.27	           (![Xx:a,Xy:a,Xz:a]:
0.00/0.27	              (JOIN(Xx,MEET(Xy,JOIN(Xx,Xz))) = MEET(JOIN(Xx,Xy),JOIN(Xx,Xz))))) & 
0.00/0.27	         (?[Xx:a,Xy:a,Xa:a,Xb:a,Xc:a]:
0.00/0.27	            ((Xx != Xy) & (Xc != Xy) & (Xc != Xx) & (Xb != Xy) & 
0.00/0.27	             (Xb != Xx) & (Xb != Xc) & (Xa != Xy) & (Xa != Xx) & 
0.00/0.27	             (Xa != Xc) & (Xa != Xb))) & 
0.00/0.27	         (![Xx:a,Xy:a]: (MEET(JOIN(Xx,Xy),Xy) = Xy)) & 
0.00/0.27	         (![Xx:a,Xy:a]: (JOIN(MEET(Xx,Xy),Xy) = Xy)) & 
0.00/0.27	         (![Xx:a,Xy:a]: (MEET(Xx,Xy) = MEET(Xy,Xx))) & 
0.00/0.27	         (![Xx:a,Xy:a]: (JOIN(Xx,Xy) = JOIN(Xy,Xx))) & 
0.00/0.27	         (![Xx:a,Xy:a,Xz:a]: (MEET(MEET(Xx,Xy),Xz) = MEET(Xx,MEET(Xy,Xz)))) & 
0.00/0.27	         (![Xx:a,Xy:a,Xz:a]: (JOIN(JOIN(Xx,Xy),Xz) = JOIN(Xx,JOIN(Xy,Xz)))) & 
0.00/0.27	         (![Xx:a]: (MEET(Xx,Xx) = Xx)) & (![Xx:a]: (JOIN(Xx,Xx) = Xx))) =>
0.00/0.27	        (?[Xx:a,Xy:a,Xa:a,Xb:a,Xc:a]:
0.00/0.27	           ((JOIN(Xc,Xy) = Xc) & (MEET(Xc,Xy) = Xy) & (JOIN(Xb,Xy) = Xb) & 
0.00/0.27	            (MEET(Xb,Xy) = Xy) & (JOIN(Xb,Xc) = Xx) & (MEET(Xb,Xc) = Xy) & 
0.00/0.27	            (JOIN(Xa,Xy) = Xa) & (MEET(Xa,Xy) = Xy) & (JOIN(Xa,Xc) = Xc) & 
0.00/0.27	            (MEET(Xa,Xc) = Xa) & (JOIN(Xa,Xb) = Xx) & (MEET(Xa,Xb) = Xy) & 
0.00/0.27	            (JOIN(Xx,Xc) = Xx) & (MEET(Xx,Xc) = Xc) & (JOIN(Xx,Xb) = Xx) & 
0.00/0.27	            (MEET(Xx,Xb) = Xb) & (JOIN(Xx,Xa) = Xx) & (MEET(Xx,Xa) = Xa) & 
0.00/0.27	            (JOIN(Xx,Xy) = Xx) & (MEET(Xx,Xy) = Xy))))))).
0.00/0.27	tff('0', plain, ![X20 : a]: sk_JOIN(X20, X20) = X20,
0.00/0.27	    inference('cnf', [status(esa)], [zf_stmt_0])).
0.00/0.27	tff('1', plain, ![X5 : a]: sk_MEET(X5, X5) = X5,
0.00/0.27	    inference('cnf', [status(esa)], [zf_stmt_0])).
0.00/0.27	tff('2', plain,
0.00/0.27	    ![X0 : a, X1 : a, X2 : a, X3 : a, X4 : a]:
0.00/0.27	      (sk_JOIN(X0, X1) != X0
0.00/0.27	       | sk_MEET(X0, X1) != X1
0.00/0.27	       | sk_JOIN(X2, X1) != X2
0.00/0.27	       | sk_MEET(X2, X1) != X1
0.00/0.27	       | sk_JOIN(X2, X0) != X3
0.00/0.27	       | sk_MEET(X2, X0) != X1
0.00/0.27	       | sk_JOIN(X3, X0) != X3
0.00/0.27	       | sk_MEET(X3, X0) != X0
0.00/0.27	       | sk_JOIN(X3, X2) != X3
0.00/0.27	       | sk_MEET(X3, X2) != X2
0.00/0.27	       | sk_JOIN(X3, X1) != X3
0.00/0.27	       | sk_MEET(X3, X1) != X1
0.00/0.27	       | sk_MEET(X3, X4) != X4
0.00/0.27	       | sk_JOIN(X3, X4) != X3
0.00/0.27	       | sk_MEET(X2, X4) != X2
0.00/0.27	       | sk_JOIN(X2, X4) != X4
0.00/0.27	       | sk_MEET(X0, X4) != X1
0.00/0.27	       | sk_JOIN(X0, X4) != X3
0.00/0.27	       | sk_MEET(X4, X1) != X1
0.00/0.27	       | sk_JOIN(X4, X1) != X4),
0.00/0.27	    inference('cnf', [status(esa)], [zf_stmt_0])).
0.00/0.27	tff('3', plain,
0.00/0.27	    ![X0 : a, X2 : a, X4 : a]:
0.00/0.27	      (sk_JOIN(X4, sk_MEET(X2, X0)) != X4
0.00/0.27	       | sk_MEET(X4, sk_MEET(X2, X0)) != sk_MEET(X2, X0)
0.00/0.27	       | sk_JOIN(X0, X4) != sk_JOIN(X2, X0)
0.00/0.27	       | sk_MEET(X0, X4) != sk_MEET(X2, X0)
0.00/0.27	       | sk_JOIN(X2, X4) != X4
0.00/0.27	       | sk_MEET(X2, X4) != X2
0.00/0.27	       | sk_JOIN(sk_JOIN(X2, X0), X4) != sk_JOIN(X2, X0)
0.00/0.27	       | sk_MEET(sk_JOIN(X2, X0), X4) != X4
0.00/0.27	       | sk_MEET(sk_JOIN(X2, X0), sk_MEET(X2, X0)) != sk_MEET(X2, X0)
0.00/0.27	       | sk_JOIN(sk_JOIN(X2, X0), sk_MEET(X2, X0)) != sk_JOIN(X2, X0)
0.00/0.27	       | sk_MEET(sk_JOIN(X2, X0), X2) != X2
0.00/0.27	       | sk_JOIN(sk_JOIN(X2, X0), X2) != sk_JOIN(X2, X0)
0.00/0.27	       | sk_MEET(sk_JOIN(X2, X0), X0) != X0
0.00/0.27	       | sk_JOIN(sk_JOIN(X2, X0), X0) != sk_JOIN(X2, X0)
0.00/0.27	       | sk_MEET(X2, sk_MEET(X2, X0)) != sk_MEET(X2, X0)
0.00/0.27	       | sk_JOIN(X2, sk_MEET(X2, X0)) != X2
0.00/0.27	       | sk_MEET(X0, sk_MEET(X2, X0)) != sk_MEET(X2, X0)
0.00/0.27	       | sk_JOIN(X0, sk_MEET(X2, X0)) != X0),
0.00/0.27	    inference('simplify', [status(thm)], ['2'])).
0.00/0.27	tff('4', plain,
0.00/0.27	    ![X0 : a, X1 : a]:
0.00/0.27	      (sk_MEET(X1, X0) != sk_MEET(X1, X0)
0.00/0.27	       | sk_JOIN(X0, sk_MEET(X1, X0)) != X0
0.00/0.27	       | sk_MEET(X0, sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_JOIN(X1, sk_MEET(X1, X0)) != X1
0.00/0.27	       | sk_MEET(X1, sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_JOIN(sk_JOIN(X1, X0), X0) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_MEET(sk_JOIN(X1, X0), X0) != X0
0.00/0.27	       | sk_JOIN(sk_JOIN(X1, X0), X1) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_MEET(sk_JOIN(X1, X0), X1) != X1
0.00/0.27	       | sk_JOIN(sk_JOIN(X1, X0), sk_MEET(X1, X0)) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_MEET(sk_JOIN(X1, X0), sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_MEET(sk_JOIN(X1, X0), sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_JOIN(sk_JOIN(X1, X0), sk_MEET(X1, X0)) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_MEET(X1, sk_MEET(X1, X0)) != X1
0.00/0.27	       | sk_JOIN(X1, sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_MEET(X0, sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_JOIN(X0, sk_MEET(X1, X0)) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_JOIN(sk_MEET(X1, X0), sk_MEET(X1, X0)) != sk_MEET(X1, X0)),
0.00/0.27	    inference('sup-', [status(thm)], ['1', '3'])).
0.00/0.27	tff('5', plain,
0.00/0.27	    ![X0 : a, X1 : a]:
0.00/0.27	      (sk_MEET(X1, X0) != sk_MEET(X1, X0)
0.00/0.27	       | sk_JOIN(X0, sk_MEET(X1, X0)) != X0
0.00/0.27	       | sk_MEET(X0, sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_JOIN(X1, sk_MEET(X1, X0)) != X1
0.00/0.27	       | sk_MEET(X1, sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_JOIN(sk_JOIN(X1, X0), X0) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_MEET(sk_JOIN(X1, X0), X0) != X0
0.00/0.27	       | sk_JOIN(sk_JOIN(X1, X0), X1) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_MEET(sk_JOIN(X1, X0), X1) != X1
0.00/0.27	       | sk_JOIN(sk_JOIN(X1, X0), sk_MEET(X1, X0)) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_MEET(sk_JOIN(X1, X0), sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_MEET(sk_JOIN(X1, X0), sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_JOIN(sk_JOIN(X1, X0), sk_MEET(X1, X0)) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_MEET(X1, sk_MEET(X1, X0)) != X1
0.00/0.27	       | sk_JOIN(X1, sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_MEET(X0, sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_JOIN(X0, sk_MEET(X1, X0)) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_MEET(X1, X0) != sk_MEET(X1, X0)),
0.00/0.27	    inference('demod', [status(thm)], ['4', '0'])).
0.00/0.27	tff('6', plain,
0.00/0.27	    ![X0 : a, X1 : a]:
0.00/0.27	      (sk_JOIN(X0, sk_MEET(X1, X0)) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_JOIN(X1, sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_MEET(X1, sk_MEET(X1, X0)) != X1
0.00/0.27	       | sk_MEET(sk_JOIN(X1, X0), sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_JOIN(sk_JOIN(X1, X0), sk_MEET(X1, X0)) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_MEET(sk_JOIN(X1, X0), X1) != X1
0.00/0.27	       | sk_JOIN(sk_JOIN(X1, X0), X1) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_MEET(sk_JOIN(X1, X0), X0) != X0
0.00/0.27	       | sk_JOIN(sk_JOIN(X1, X0), X0) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_MEET(X1, sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_JOIN(X1, sk_MEET(X1, X0)) != X1
0.00/0.27	       | sk_MEET(X0, sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_JOIN(X0, sk_MEET(X1, X0)) != X0),
0.00/0.27	    inference('simplify', [status(thm)], ['5'])).
0.00/0.27	tff('7', plain, ![X11 : a, X12 : a]: sk_JOIN(sk_MEET(X12, X11), X11) = X11,
0.00/0.27	    inference('cnf', [status(esa)], [zf_stmt_0])).
0.00/0.27	tff('8', plain, ![X15 : a, X16 : a]: sk_JOIN(X16, X15) = sk_JOIN(X15, X16),
0.00/0.27	    inference('cnf', [status(esa)], [zf_stmt_0])).
0.00/0.27	tff('9', plain, ![X11 : a, X12 : a]: sk_JOIN(X11, sk_MEET(X12, X11)) = X11,
0.00/0.27	    inference('demod', [status(thm)], ['7', '8'])).
0.00/0.27	tff('10', plain, ![X9 : a, X10 : a]: sk_MEET(X10, X9) = sk_MEET(X9, X10),
0.00/0.27	    inference('cnf', [status(esa)], [zf_stmt_0])).
0.00/0.27	tff('11', plain, ![X0 : a, X1 : a]: sk_JOIN(sk_MEET(X1, X0), X1) = X1,
0.00/0.27	    inference('sup+', [status(thm)], ['10', '7'])).
0.00/0.27	tff('12', plain, ![X0 : a, X1 : a]: sk_JOIN(X1, sk_MEET(X1, X0)) = X1,
0.00/0.27	    inference('demod', [status(thm)], ['11', '8'])).
0.00/0.27	tff('13', plain,
0.00/0.27	    ![X6 : a, X7 : a, X8 : a]:
0.00/0.27	      sk_MEET(sk_MEET(X6, X7), X8) = sk_MEET(X6, sk_MEET(X7, X8)),
0.00/0.27	    inference('cnf', [status(esa)], [zf_stmt_0])).
0.00/0.27	tff('14', plain,
0.00/0.27	    ![X0 : a, X1 : a]: sk_MEET(X0, X1) = sk_MEET(X0, sk_MEET(X0, X1)),
0.00/0.27	    inference('sup+', [status(thm)], ['1', '13'])).
0.00/0.27	tff('15', plain,
0.00/0.27	    ![X17 : a, X18 : a, X19 : a]:
0.00/0.27	      sk_JOIN(sk_JOIN(X17, X18), X19) = sk_JOIN(X17, sk_JOIN(X18, X19)),
0.00/0.27	    inference('cnf', [status(esa)], [zf_stmt_0])).
0.00/0.27	tff('16', plain, ![X13 : a, X14 : a]: sk_MEET(sk_JOIN(X14, X13), X13) = X13,
0.00/0.27	    inference('cnf', [status(esa)], [zf_stmt_0])).
0.00/0.27	tff('17', plain, ![X13 : a, X14 : a]: sk_MEET(X13, sk_JOIN(X14, X13)) = X13,
0.00/0.27	    inference('demod', [status(thm)], ['16', '10'])).
0.00/0.27	tff('18', plain, ![X0 : a, X1 : a]: sk_MEET(X1, sk_JOIN(X1, X0)) = X1,
0.00/0.27	    inference('sup+', [status(thm)], ['8', '17'])).
0.00/0.27	tff('19', plain,
0.00/0.27	    ![X0 : a, X1 : a]: sk_JOIN(sk_JOIN(X0, X1), X0) = sk_JOIN(X0, X1),
0.00/0.27	    inference('sup+', [status(thm)], ['18', '9'])).
0.00/0.27	tff('20', plain,
0.00/0.27	    ![X0 : a, X1 : a]: sk_JOIN(X0, sk_JOIN(X0, X1)) = sk_JOIN(X0, X1),
0.00/0.27	    inference('demod', [status(thm)], ['19', '8'])).
0.00/0.27	tff('21', plain,
0.00/0.27	    ![X0 : a, X1 : a]: sk_JOIN(X0, sk_JOIN(X1, X0)) = sk_JOIN(X0, X1),
0.00/0.27	    inference('sup+', [status(thm)], ['8', '20'])).
0.00/0.27	tff('22', plain,
0.00/0.27	    ![X0 : a, X1 : a]: sk_MEET(sk_MEET(X0, X1), X0) = sk_MEET(X0, X1),
0.00/0.27	    inference('sup+', [status(thm)], ['12', '17'])).
0.00/0.27	tff('23', plain,
0.00/0.27	    ![X0 : a, X1 : a]: sk_MEET(X0, sk_MEET(X1, X0)) = sk_MEET(X0, X1),
0.00/0.27	    inference('demod', [status(thm)], ['22', '13'])).
0.00/0.27	tff('24', plain,
0.00/0.27	    ![X0 : a, X1 : a]:
0.00/0.27	      (X0 != sk_JOIN(X1, X0)
0.00/0.27	       | X1 != sk_MEET(X1, X0)
0.00/0.27	       | sk_MEET(X1, X0) != X1
0.00/0.27	       | sk_MEET(sk_JOIN(X1, X0), sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | sk_JOIN(X1, X0) != sk_JOIN(X1, X0)
0.00/0.27	       | X1 != X1
0.00/0.27	       | sk_JOIN(X1, X0) != sk_JOIN(X1, X0)
0.00/0.27	       | X0 != X0
0.00/0.27	       | sk_JOIN(X1, X0) != sk_JOIN(X1, X0)
0.00/0.27	       | sk_MEET(X1, X0) != sk_MEET(X1, X0)
0.00/0.27	       | X1 != X1
0.00/0.27	       | sk_MEET(X0, X1) != sk_MEET(X1, X0)
0.00/0.27	       | X0 != X0),
0.00/0.27	    inference('demod', [status(thm)],
0.00/0.27	              ['6', '9', '12', '14', '15', '9', '10', '18', '15', '21', 
0.00/0.27	               '10', '17', '15', '0', '14', '12', '23', '9'])).
0.00/0.27	tff('25', plain,
0.00/0.27	    ![X0 : a, X1 : a]:
0.00/0.27	      (sk_MEET(X0, X1) != sk_MEET(X1, X0)
0.00/0.27	       | sk_MEET(sk_JOIN(X1, X0), sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | X1 != sk_MEET(X1, X0)
0.00/0.27	       | X0 != sk_JOIN(X1, X0)),
0.00/0.27	    inference('simplify', [status(thm)], ['24'])).
0.00/0.27	tff('26', plain,
0.00/0.27	    ![X0 : a, X1 : a]:
0.00/0.27	      (sk_MEET(sk_JOIN(X1, X0), sk_MEET(X1, X0)) != sk_MEET(X1, X0)
0.00/0.27	       | X1 != sk_MEET(X1, X0)
0.00/0.27	       | X0 != sk_JOIN(X1, X0)),
0.00/0.27	    inference('simplify_reflect+', [status(thm)], ['25', '10'])).
0.00/0.27	tff('27', plain,
0.00/0.27	    ![X0 : a]:
0.00/0.27	      (sk_MEET(X0, sk_MEET(X0, X0)) != sk_MEET(X0, X0)
0.00/0.27	       | X0 != sk_JOIN(X0, X0)
0.00/0.27	       | X0 != sk_MEET(X0, X0)),
0.00/0.27	    inference('sup-', [status(thm)], ['0', '26'])).
0.00/0.27	tff('28', plain, ![X0 : a]: (X0 != X0 | X0 != X0 | X0 != X0),
0.00/0.27	    inference('demod', [status(thm)], ['27', '1', '1', '1', '0', '1'])).
0.00/0.27	tff('29', plain, $false, inference('simplify', [status(thm)], ['28'])).
0.00/0.27	
0.00/0.27	% SZS output end Refutation
0.00/0.27	EOF
