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| author | dos-reis <gdr@axiomatics.org> | 2010-06-14 04:25:41 +0000 |
|---|---|---|
| committer | dos-reis <gdr@axiomatics.org> | 2010-06-14 04:25:41 +0000 |
| commit | 5f7a5c1a81c50807bf1315260f94108dd9a5ac2e (patch) | |
| tree | 6b485c54e2fa2b6c71ec68d89ad143087625d342 /src/algebra/catdef.spad.pamphlet | |
| parent | 335db800c7cbaff88eda34d83e23ad808ea42fb8 (diff) | |
| download | open-axiom-5f7a5c1a81c50807bf1315260f94108dd9a5ac2e.tar.gz | |
* Partially revert previous change.
Diffstat (limited to 'src/algebra/catdef.spad.pamphlet')
| -rw-r--r-- | src/algebra/catdef.spad.pamphlet | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/algebra/catdef.spad.pamphlet b/src/algebra/catdef.spad.pamphlet index 1ea30684..4c6317f3 100644 --- a/src/algebra/catdef.spad.pamphlet +++ b/src/algebra/catdef.spad.pamphlet @@ -446,7 +446,7 @@ DifferentialExtension(R:Ring): Category == Ring with D: (%, R -> R, NonNegativeInteger) -> % ++ D(x, deriv, n) differentiate x n times ++ using a derivation which extends deriv on R. - if R has DifferentialDomain R then DifferentialRing + if R has DifferentialRing then DifferentialRing if R has PartialDifferentialRing(Symbol) then PartialDifferentialRing(Symbol) add @@ -457,7 +457,7 @@ DifferentialExtension(R:Ring): Category == Ring with D(x:%, derivation: R -> R, n:NonNegativeInteger) == differentiate(x, derivation, n) - if R has DifferentialDomain R then + if R has DifferentialRing then differentiate x == differentiate(x, differentiate$R) if R has PartialDifferentialRing Symbol then |