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| author |  emakarov <emakarov@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2007-11-22 14:34:44 +0000 |
|---|---|---|
| committer | emakarov <emakarov@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2007-11-22 14:34:44 +0000 |
| commit | 63e792e2cf320544bcd8b28b2e932b18d5f4af1f (patch) | |
| tree | c49f6ca226880dfa42d0f8160619219ebdb164a9 /theories/Numbers/NatInt/NZAxioms.v | |
| parent | 20c0fdbc7f63b8c8ccaa0dd34e7d8105b94e804c (diff) | |
An update on Numbers. Added two files dealing with recursion, for information only.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10330 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/Numbers/NatInt/NZAxioms.v')
| -rw-r--r-- | theories/Numbers/NatInt/NZAxioms.v | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/theories/Numbers/NatInt/NZAxioms.v b/theories/Numbers/NatInt/NZAxioms.v index f218ed6a6..6bdfe5642 100644 --- a/theories/Numbers/NatInt/NZAxioms.v +++ b/theories/Numbers/NatInt/NZAxioms.v @@ -23,6 +23,9 @@ Parameter Inline NZplus : NZ -> NZ -> NZ. Parameter Inline NZminus : NZ -> NZ -> NZ. Parameter Inline NZtimes : NZ -> NZ -> NZ. +(* Unary minus (opp) is not defined on natural numbers, so we have it for +integers only *) + Axiom NZeq_equiv : equiv NZ NZeq. Add Relation NZ NZeq reflexivity proved by (proj1 NZeq_equiv) |