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doc-src/Tutorial/Ifexpr/value
author wenzelm
Wed, 08 Mar 2000 17:58:37 +0100
changeset 8372 7b2cec1e789c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
added METHOD_CASES, resolveq_cases_tac; removed multi_resolveq; improved 'tactic' method: bind thm(s) function;
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consts value :: boolex => (nat => bool) => bool
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primrec
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"value (Const b) env = b"
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"value (Var x)   env = env x"
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"value (Neg b)   env = (~ value b env)"
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"value (And b c) env = (value b env & value c env)"
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