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doc-src/Tutorial/Ifexpr/boolex
author
paulson
Tue, 06 Feb 2001 15:02:56 +0100
changeset 11076
f869d8617c81
parent 5377
efb799c5ed3c
permissions
-rw-r--r--
new theorem Transset_iff_Union_subset
datatype boolex = Const bool | Var nat
| Neg boolex | And boolex boolex