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-rw-r--r--src/algebra/groebsol.spad.pamphlet6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/algebra/groebsol.spad.pamphlet b/src/algebra/groebsol.spad.pamphlet
index a25c60d5..b689d991 100644
--- a/src/algebra/groebsol.spad.pamphlet
+++ b/src/algebra/groebsol.spad.pamphlet
@@ -137,7 +137,7 @@ GroebnerSolve(lv,F,R) : C == T
findCompon(leq:L HDPoly,lvar:L OV):L L DPoly ==
teq:=totolex(leq)
#teq = #lvar => [teq]
- -- ^((teq1:=testGenPos(teq,lvar)) case "failed") => [teq1::L DPoly]
+ -- not ((teq1:=testGenPos(teq,lvar)) case "failed") => [teq1::L DPoly]
gp:=genPos(teq,lvar)
lgp:= gp.polys
g:HDPoly:=gp.univp
@@ -175,7 +175,7 @@ GroebnerSolve(lv,F,R) : C == T
lnp:=[dmpToHdmp(f) for f in leq]
leq1:=groebner lnp
#(leq1) = 1 and first(leq1) = 1 => list empty()
- ^(zeroDim?(leq1,lvar)) =>
+ not (zeroDim?(leq1,lvar)) =>
error "system does not have a finite number of solutions"
-- add computation of dimension, for a more useful error
basis:=computeBasis(leq1)
@@ -200,7 +200,7 @@ GroebnerSolve(lv,F,R) : C == T
testDim(leq : L HDPoly,lvar : L OV) : Union(L HDPoly,"failed") ==
leq1:=groebner leq
#(leq1) = 1 and first(leq1) = 1 => empty()
- ^(zeroDim?(leq1,lvar)) => "failed"
+ not (zeroDim?(leq1,lvar)) => "failed"
leq1
@