diff options
author | David Aspinall <da@inf.ed.ac.uk> | 2007-08-14 14:12:40 +0000 |
---|---|---|
committer | David Aspinall <da@inf.ed.ac.uk> | 2007-08-14 14:12:40 +0000 |
commit | fecff511bb9fd00267ad9d0d547a64e012480908 (patch) | |
tree | 97a4f13ce94699f19241d79e34a7b5c2397ec9b8 /etc/isar | |
parent | 92bf338edd846931e952507b369179c0f67a75ed (diff) |
Add support for sending back literal commands reusing PBP markup mechanisms.
Diffstat (limited to 'etc/isar')
-rw-r--r-- | etc/isar/Sendback.thy | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/etc/isar/Sendback.thy b/etc/isar/Sendback.thy new file mode 100644 index 00000000..f14ae72c --- /dev/null +++ b/etc/isar/Sendback.thy @@ -0,0 +1,19 @@ +(* Demonstrate the use of literal command markup *) + +theory Sendback imports Main begin + +ML {* val pgasciiN = "PGASCII"; +fun special oct = + if print_mode_active pgasciiN then chr 1 ^ chr (ord (oct_char oct) - 167) + else oct_char oct; +fun sendback cmd = writeln ("Try this: \n " ^ (special "375") ^ cmd ^ "\n\n") +*} + +theorem and_comms: "A & B --> B & A" +proof + ML {* sendback "assume \"A & B\"" *} + ML {* sendback "then; show \"B & A\"" *} + ML {* sendback "proof; assume B and A; then" *} + ML {* sendback "show ?thesis; ..; qed" *} + ML {* sendback "qed" *} +qed |