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-rw-r--r--src/algebra/manip.spad.pamphlet1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/algebra/manip.spad.pamphlet b/src/algebra/manip.spad.pamphlet
index 5cad4e61..a9f207d7 100644
--- a/src/algebra/manip.spad.pamphlet
+++ b/src/algebra/manip.spad.pamphlet
@@ -289,6 +289,7 @@ AlgebraicManipulations(R, F): Exports == Implementation where
empty?(l := sort_!(#1 > #2, kernels x)$List(K)) or
empty? setIntersection(ll, tower x) => x
lk := empty()$List(K)
+ k : K
while not member?(k := first l, ll) repeat
lk := concat(k, lk)
empty?(l := rest l) =>