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src/HOL/ex/StringEx.ML
author wenzelm
Wed, 18 Oct 2000 23:26:42 +0200
changeset 10246 d8c968e6329a
parent 8035 84c5ce912b43
permissions -rw-r--r--
restart: do not reset theory loader path;


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

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

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

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

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