# HG changeset patch
# User wenzelm
# Date 963773774 -7200
# Node ID a83f3abbfc93e697be52e4c01d4858027c73248f
# Parent  0cced1b20d685bdb1f0e8438f80fbf9875699ffa
use pair_tac;

diff -r 0cced1b20d68 -r a83f3abbfc93 src/HOL/Integ/IntDef.ML
--- a/src/HOL/Integ/IntDef.ML	Sun Jul 16 20:55:56 2000 +0200
+++ b/src/HOL/Integ/IntDef.ML	Sun Jul 16 20:56:14 2000 +0200
@@ -52,7 +52,9 @@
 qed "intrel_iff";
 
 Goal "(x,x): intrel";
-by (stac surjective_pairing 1 THEN rtac (refl RS intrelI) 1);
+by (pair_tac "x" 1);
+by (rtac intrelI 1);
+by (rtac refl 1);
 qed "intrel_refl";
 
 Goalw [equiv_def, refl_def, sym_def, trans_def]