doc-src/Tutorial/Ifexpr/value
author oheimb
Tue, 20 Feb 2001 18:48:34 +0100
changeset 11170 015af2fc7026
parent 5377 efb799c5ed3c
permissions -rw-r--r--
simplified proofs for splitI and splitD, added splitD' added split_conv_tac (also to claset()) as an optimization made split_all_tac safe introducing safe_full_simp_tac,EXISTING PROOFS MAY FAIL
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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)"