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-rw-r--r--src/algebra/modgcd.spad.pamphlet2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/algebra/modgcd.spad.pamphlet b/src/algebra/modgcd.spad.pamphlet
index b094a863..afe60ab5 100644
--- a/src/algebra/modgcd.spad.pamphlet
+++ b/src/algebra/modgcd.spad.pamphlet
@@ -205,7 +205,7 @@ InnerModularGcd(R,BP,pMod,nextMod):C == T
exactquo(u:BP,v:BP,p:R):Union(BP,"failed") ==
invlcv:=modInverse(leadingCoefficient v,p)
r:=monicDivide(u,reduction(invlcv*v,p))
- reduction(r.remainder,p) ~=0 => "failed"
+ not zero? reduction(r.remainder,p) => "failed"
reduction(invlcv*r.quotient,p)