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doc-src/Intro/prod.thy
author wenzelm
Fri, 16 Apr 2010 21:28:09 +0200
changeset 36176 3fe7e97ccca8
parent 105 216d6ed87399
permissions -rw-r--r--
replaced generic 'hide' command by more conventional 'hide_class', 'hide_type', 'hide_const', 'hide_fact' -- frees some popular keywords;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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Prod = FOL +
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types   "*" 2                                 (infixl 20)
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arities "*"     :: (term,term)term
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consts  fst     :: "'a * 'b => 'a"
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        snd     :: "'a * 'b => 'b"
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        Pair    :: "['a,'b] => 'a * 'b"       ("(1<_,/_>)")
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rules   fst     "fst(<a,b>) = a"
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        snd     "snd(<a,b>) = b"
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end
isabelle