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Macaulay2Doc :: isRing

isRing -- whether something is a ring

Synopsis

Description

i1 : isRing QQ

o1 = true
i2 : R = QQ[x,y];
i3 : isRing(R)

o3 = true
i4 : isRing(R^1)

o4 = false
i5 : isRing(GF(2,3)[x,dx, WeylAlgebra => {x => dx}])

o5 = true

Ways to use isRing :