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-rw-r--r--src/algebra/vector.spad.pamphlet2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/algebra/vector.spad.pamphlet b/src/algebra/vector.spad.pamphlet
index 1696e4e4..7342a113 100644
--- a/src/algebra/vector.spad.pamphlet
+++ b/src/algebra/vector.spad.pamphlet
@@ -274,7 +274,7 @@ DirectProductCategory(dim:NonNegativeInteger, R:Type): Category ==
equation2R: Vector % -> Matrix R
coerce(n:Integer):% == n::R::%
- characteristic() == characteristic()$R
+ characteristic == characteristic$R
differentiate(z:%, d:R -> R) == map(d, z)
equation2R v ==