src/HOL/Lex/AutoProj.thy
author nipkow
Mon, 27 Apr 1998 16:46:56 +0200
changeset 4832 bc11b5b06f87
child 8732 aef229ca5e77
permissions -rw-r--r--
Added conversion of reg.expr. to automata. Renamed expand_const -> split_const.
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(*  Title:      HOL/Lex/AutoProj.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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Is there an optimal order of arguments for `next'?
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Currently we can have laws like `delta A (a#w) = delta A w o delta A a'
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Otherwise we could have `acceps A == fin A o delta A (start A)'
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and use foldl instead of foldl2.
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*)
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AutoProj = Prod +
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constdefs
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 start :: "'a * 'b * 'c => 'a"
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"start A == fst A"
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 next :: "'a * 'b * 'c => 'b"
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"next A == fst(snd(A))"
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 fin :: "'a * 'b * 'c => 'c"
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"fin A == snd(snd(A))"
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end