Math.RootLoci.Geometry.Mobius
data Partition
coarserThan
finerThan
(.==.)
(./=.)
(.<=.)
(.>=.)
(.<.)
(.>.)
fastClosure
fastAntiClosure
closureSet
closureSet'
zetaOf
mobiusOf
firstLevelDown
firstLevelUp
closureSetOfSetPartition
firstLevelDownSetP