src/HOL/ex/StringEx.ML
author wenzelm
Wed, 17 Mar 1999 16:45:53 +0100
changeset 6392 e2ecfd8622ae
parent 5278 a903b66822e2
child 8035 84c5ce912b43
permissions -rw-r--r--
tuned;


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();