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-rw-r--r--src/algebra/mring.spad.pamphlet2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/algebra/mring.spad.pamphlet b/src/algebra/mring.spad.pamphlet
index 46e50c7d..6adb05f8 100644
--- a/src/algebra/mring.spad.pamphlet
+++ b/src/algebra/mring.spad.pamphlet
@@ -106,7 +106,7 @@ MonoidRing(R: Ring, M: Monoid): MRcategory == MRdefinition where
p:Integer := size()$R
n:Integer := size()$M
ans:% := 0
- for j in 0.. while i > 0 repeat
+ for j in 0.. while positive? i repeat
h := i rem p
-- we use index(p) = 0$R
if h ~= 0 then