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-rw-r--r--src/algebra/Makefile.in1
-rw-r--r--src/algebra/Makefile.pamphlet1
-rw-r--r--src/algebra/dpolcat.spad.pamphlet8
3 files changed, 3 insertions, 7 deletions
diff --git a/src/algebra/Makefile.in b/src/algebra/Makefile.in
index a520dce5..28826e1b 100644
--- a/src/algebra/Makefile.in
+++ b/src/algebra/Makefile.in
@@ -493,6 +493,7 @@ axiom_algebra_layer_4_objects = \
$(addsuffix .$(FASLEXT),$(axiom_algebra_layer_4)))
$(OUT)/KERNEL.$(FASLEXT): $(OUT)/KERNEL2.$(FASLEXT)
+$(OUT)/DVARCAT.$(FASLEXT): $(OUT)/DIFFSPC.$(FASLEXT)
axiom_algebra_layer_5 = \
CHARNZ DVARCAT DVARCAT- ELEMFUN \
diff --git a/src/algebra/Makefile.pamphlet b/src/algebra/Makefile.pamphlet
index 128ce269..0019edc1 100644
--- a/src/algebra/Makefile.pamphlet
+++ b/src/algebra/Makefile.pamphlet
@@ -472,6 +472,7 @@ axiom_algebra_layer_4_objects = \
<<layer5>>=
$(OUT)/KERNEL.$(FASLEXT): $(OUT)/KERNEL2.$(FASLEXT)
+$(OUT)/DVARCAT.$(FASLEXT): $(OUT)/DIFFSPC.$(FASLEXT)
axiom_algebra_layer_5 = \
CHARNZ DVARCAT DVARCAT- ELEMFUN \
diff --git a/src/algebra/dpolcat.spad.pamphlet b/src/algebra/dpolcat.spad.pamphlet
index c5da0b47..1ec8f105 100644
--- a/src/algebra/dpolcat.spad.pamphlet
+++ b/src/algebra/dpolcat.spad.pamphlet
@@ -69,7 +69,7 @@
++ all differential polynomials, providing a graded ring
++ structure.
DifferentialVariableCategory(S:OrderedSet): Category ==
- Join(OrderedSet, RetractableTo S) with
+ Join(OrderedSet, DifferentialSpace, RetractableTo S) with
-- Examples:
-- v:=makeVariable('s,5)
makeVariable : (S, NonNegativeInteger) -> $
@@ -89,12 +89,6 @@ DifferentialVariableCategory(S:OrderedSet): Category ==
weight : $ -> NonNegativeInteger
++ weight(v) returns the weight of the derivative v.
-- Example: weight(v)
- differentiate : $ -> $
- ++ differentiate(v) returns the derivative of v.
- -- Example: differentiate(v)
- differentiate : ($, NonNegativeInteger) -> $
- ++ differentiate(v, n) returns the n-th derivative of v.
- -- Example: differentiate(v,2)
coerce : S -> $
++ coerce(s) returns s, viewed as the zero-th order derivative of s.
-- Example: coerce('s); differentiate(%,5)