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-rw-r--r--src/algebra/syssolp.spad.pamphlet2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/algebra/syssolp.spad.pamphlet b/src/algebra/syssolp.spad.pamphlet
index 82218fa6..8fd97610 100644
--- a/src/algebra/syssolp.spad.pamphlet
+++ b/src/algebra/syssolp.spad.pamphlet
@@ -147,7 +147,7 @@ SystemSolvePackage(R): Cat == Cap where
push:=PushVariables(R,DP,OV,dmp)
lq : L dmp
lvv:L OV:=[variable(vv)::OV for vv in lv]
- lq:=[pushup(df::dmp,lvv)$push for f in lf|(df:=denom f)~=1]
+ lq:=[pushup(df::dmp,lvv)$push for f in lf|not one?(df:=denom f)]
lp:=[pushup(numer(f)::dmp,lvv)$push for f in lf]
parRes:=groebSolve(lp,lvv)$GroebnerSolve(lv,P R,R)
if lq~=[] then