| author | convert-repo |
| Thu, 23 Jul 2009 14:03:20 +0000 | |
| changeset 255 | 435bf30c29a5 |
| parent 56 | 385d51d74f71 |
| permissions | -rw-r--r-- |
|
56
385d51d74f71
Used Datatype functor to define propositional logic terms.
nipkow
parents:
diff
changeset
|
1 |
(* Title: HOL/ex/pl0.ML |
|
385d51d74f71
Used Datatype functor to define propositional logic terms.
nipkow
parents:
diff
changeset
|
2 |
ID: $Id$ |
|
385d51d74f71
Used Datatype functor to define propositional logic terms.
nipkow
parents:
diff
changeset
|
3 |
Author: Tobias Nipkow |
|
385d51d74f71
Used Datatype functor to define propositional logic terms.
nipkow
parents:
diff
changeset
|
4 |
Copyright 1994 TU Muenchen |
|
385d51d74f71
Used Datatype functor to define propositional logic terms.
nipkow
parents:
diff
changeset
|
5 |
|
|
385d51d74f71
Used Datatype functor to define propositional logic terms.
nipkow
parents:
diff
changeset
|
6 |
Inductive definition of propositional logic formulae. |
|
385d51d74f71
Used Datatype functor to define propositional logic terms.
nipkow
parents:
diff
changeset
|
7 |
*) |
|
385d51d74f71
Used Datatype functor to define propositional logic terms.
nipkow
parents:
diff
changeset
|
8 |
|
|
385d51d74f71
Used Datatype functor to define propositional logic terms.
nipkow
parents:
diff
changeset
|
9 |
structure PL0 = DeclaredDatatype |
|
385d51d74f71
Used Datatype functor to define propositional logic terms.
nipkow
parents:
diff
changeset
|
10 |
(val base = PL0.thy |
|
385d51d74f71
Used Datatype functor to define propositional logic terms.
nipkow
parents:
diff
changeset
|
11 |
val data = "'a pl = false | var('a) | \"op->\"('a pl,'a pl)"
|
|
385d51d74f71
Used Datatype functor to define propositional logic terms.
nipkow
parents:
diff
changeset
|
12 |
); |