| author | nipkow |
| Fri, 08 May 1998 18:33:29 +0200 | |
| changeset 4907 | 0eb6730de30f |
| parent 4832 | bc11b5b06f87 |
| child 5184 | 9b8547a9496a |
| permissions | -rw-r--r-- |
| 4832 | 1 |
(* Title: HOL/Lex/NA.thy |
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ID: $Id$ |
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Author: Tobias Nipkow |
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Copyright 1998 TUM |
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Nondeterministic automata |
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*) |
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NA = List + AutoProj + |
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types ('a,'s)na = "'s * ('a => 's => 's set) * ('s => bool)"
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consts delta :: "('a,'s)na => 'a list => 's => 's set"
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primrec delta list |
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"delta A [] p = {p}"
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4907
0eb6730de30f
Reshuffeling, renaming and a few simple corollaries.
nipkow
parents:
4832
diff
changeset
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"delta A (a#w) p = Union(delta A w `` next A a p)" |
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constdefs |
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accepts :: ('a,'s)na => 'a list => bool
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"accepts A w == ? q : delta A w (start A). fin A q" |
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end |