| author | paulson |
| Thu, 19 Feb 2004 10:40:28 +0100 | |
| changeset 14395 | cc96cc06abf9 |
| parent 13958 | c1c67582c9b5 |
| child 14411 | 7851e526b8b7 |
| permissions | -rw-r--r-- |
| 13958 | 1 |
(* Title : HLog.thy |
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Author : Jacques D. Fleuriot |
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Copyright : 2000,2001 University of Edinburgh |
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Description : hyperreal base logarithms |
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*) |
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HLog = Log + HTranscendental + |
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constdefs |
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powhr :: [hypreal,hypreal] => hypreal (infixr 80) |
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"x powhr a == ( *f* exp) (a * ( *f* ln) x)" |
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hlog :: [hypreal,hypreal] => hypreal |
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"hlog a x == Abs_hypreal(UN A: Rep_hypreal(a).UN X: Rep_hypreal(x). |
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hyprel `` {%n. log (A n) (X n)})"
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end |