src/HOL/RelPow.thy
author wenzelm
Thu Jan 23 14:19:16 1997 +0100 (1997-01-23)
changeset 2545 d10abc8c11fb
parent 1824 44254696843a
child 2740 2c549ae2563b
permissions -rw-r--r--
added AxClasses test;
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(*  Title:      HOL/RelPow.thy
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    ID:         $Id$
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    Author:     Tobias Nipkow
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    Copyright   1996  TU Muenchen
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R^n = R O ... O R, the n-fold composition of R
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*)
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RelPow = Nat +
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consts
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  "^" :: "('a * 'a) set => nat => ('a * 'a) set" (infixr 100)
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defs
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  rel_pow_def "R^n == nat_rec id (%m S. R O S) n"
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end