| author | wenzelm | 
| Mon, 18 May 1998 18:10:43 +0200 | |
| changeset 4941 | ac5da3e767b0 | 
| parent 2031 | 03a843f0f447 | 
| child 5069 | 3ea049f7979d | 
| permissions | -rw-r--r-- | 
| 969 | 1 | goal String.thy "hd(''ABCD'') = CHR ''A''";
 | 
| 2031 | 2 | by (Simp_tac 1); | 
| 969 | 3 | result(); | 
| 4 | ||
| 5 | goal String.thy "hd(''ABCD'') ~= CHR ''B''";
 | |
| 2031 | 6 | by (Simp_tac 1); | 
| 969 | 7 | result(); | 
| 8 | ||
| 9 | goal String.thy "''ABCD'' ~= ''ABCX''"; | |
| 2031 | 10 | by (Simp_tac 1); | 
| 969 | 11 | result(); | 
| 12 | ||
| 13 | goal String.thy "''ABCD'' = ''ABCD''"; | |
| 2031 | 14 | by (Simp_tac 1); | 
| 969 | 15 | result(); | 
| 16 | ||
| 17 | goal String.thy | |
| 18 | "''ABCDEFGHIJKLMNOPQRSTUVWXYZ'' ~= ''ABCDEFGHIJKLMNOPQRSTUVWXY''"; | |
| 2031 | 19 | by (Simp_tac 1); | 
| 969 | 20 | result(); |