src/HOL/ex/StringEx.ML
author wenzelm
Fri, 20 Aug 1999 15:41:53 +0200
changeset 7304 94c6f8f07631
parent 5278 a903b66822e2
child 8035 84c5ce912b43
permissions -rw-r--r--
if_svc_enabled;


Goal "hd(''ABCD'') = CHR ''A''";
by (Simp_tac 1);
result();

Goal "hd(''ABCD'') ~= CHR ''B''";
by (Simp_tac 1);
result();

Goal "''ABCD'' ~= ''ABCX''";
by (Simp_tac 1);
result();

Goal "''ABCD'' = ''ABCD''";
by (Simp_tac 1);
result();

Goal "''ABCDEFGHIJKLMNOPQRSTUVWXYZ'' ~= ''ABCDEFGHIJKLMNOPQRSTUVWXY''";
by (Simp_tac 1);
result();