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src/HOL/Hyperreal/Fact.thy
author obua
Sun, 09 May 2004 23:04:36 +0200
changeset 14722 8e739a6eaf11
parent 12196 a3be6b3a9c0b
child 15094 a7d1a3fdc30d
permissions -rw-r--r--
replaced apply-style proof for instance Multiset :: plus_ac0 by recommended Isar proof style
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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(*  Title       : Fact.thy
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    Author      : Jacques D. Fleuriot
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    Copyright   : 1998  University of Cambridge
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    Description : Factorial function
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*)
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Fact = NatStar + 













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consts fact :: nat => nat 













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primrec 













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   fact_0     "fact 0 = 1"













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   fact_Suc   "fact (Suc n) = (Suc n) * fact n" 













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end














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