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| author |  letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2010-11-02 15:10:43 +0000 |
|---|---|---|
| committer | letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2010-11-02 15:10:43 +0000 |
| commit | d6ebd62341fd6bbe2b7d4e5309d8e13f786a9462 (patch) | |
| tree | 575ec66b8028a599f94d293ae32260b09e7874ef /theories/Numbers/Natural/Abstract/NLog.v | |
| parent | 1dccdb6b2c792969c5e09faebc2f761e46192ec4 (diff) | |
Numbers : log2. Abstraction, properties and implementations.
Btw, we finally declare the original Zpower as the power on Z.
We should switch to a more efficient one someday, but in the
meantime BigN is proved with respect to the old one.
TODO: reform Zlogarithm with respect to Zlog_def
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13606 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/Numbers/Natural/Abstract/NLog.v')
| -rw-r--r-- | theories/Numbers/Natural/Abstract/NLog.v | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/theories/Numbers/Natural/Abstract/NLog.v b/theories/Numbers/Natural/Abstract/NLog.v new file mode 100644 index 000000000..7fbf4280a --- /dev/null +++ b/theories/Numbers/Natural/Abstract/NLog.v @@ -0,0 +1,22 @@ +(************************************************************************) +(* v * The Coq Proof Assistant / The Coq Development Team *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010 *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(************************************************************************) + +(** Base-2 Logarithm Properties *) + +Require Import NAxioms NSub NPow NParity NZLog. + +Module Type NLog2Prop + (A : NAxiomsSig) + (B : NSubProp A) + (C : NParityProp A B) + (D : NPowProp A B C). + + (** For the moment we simply reuse NZ properties *) + + Include NZLog2Prop A A A B D.NZPowP. +End NLog2Prop. |