src/HOL/AxClasses/Product.thy
author nipkow
Tue, 09 Aug 2005 11:44:38 +0200
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added finite(option) to Recdef.thy
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(*  Title:      HOL/AxClasses/Product.thy
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    ID:         $Id$
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    Author:     Markus Wenzel, TU Muenchen
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*)
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theory Product imports Main begin
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axclass product < type
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consts
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  product :: "'a::product => 'a => 'a"    (infixl "[*]" 70)
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instance bool :: product
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  by intro_classes
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defs (overloaded)
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  product_bool_def: "x [*] y == x & y"
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end