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-rw-r--r--src/algebra/groebsol.spad.pamphlet2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/algebra/groebsol.spad.pamphlet b/src/algebra/groebsol.spad.pamphlet
index 2fb8161e..95af1daf 100644
--- a/src/algebra/groebsol.spad.pamphlet
+++ b/src/algebra/groebsol.spad.pamphlet
@@ -97,7 +97,7 @@ GroebnerSolve(lv,F,R) : C == T
then return "failed"
newlpol :=concat(redPol(g::DPoly,newlpol),newlpol)
rlvar:=rest rlvar
- else if redPol(f,newlpol)~=0 then return"failed"
+ else if not zero? redPol(f,newlpol) then return"failed"
newlpol