- IsInKummerRepresentation
- IsInner
- IsInRadical
- IsInRootSpace
- IsInSecantVariety
- IsInSmallGroupDatabase
- IsInSmallModularCurveDatabase
- IsInSupport
- IsInt
- IsInTangentVariety
- IsInteger
- IsIntegral
- IsIntegralDomain
- IsIntegrallyClosed
- IsIntegralModel
- IsInterior
- IsIntersection
- IsIntrinsic
- IsInTwistedForm
- IsInvariant
- IsInvertible
- IsIrreducible
- IsIrreducibleFiniteNilpotent
- IsIrregularSingularPlace
- isisocubic
- IsIsogenous
- IsIsogenous(A1, A2) : AnHcJac, AnHcJac -> Bool, Mtrx, Mtrx
- IsIsogenous(E, F) : CrvEll[FldRat], CrvEll[FldRat] -> BoolElt, Map
- IsIsogenous(G, H) : GrpLie, GrpLie -> BoolElt
- IsIsogenous(A, B) : ModAbVar, ModAbVar -> BoolElt
- IsIsogenous(R1, R2) : RootDtm, RootDtm -> BoolElt, SeqEnum, RootDtm, Map, Map, RootDtm, Map, Map
- IsIsogenousPeriodMatrices
- IsIsogeny
- IsIsolated
V2.28, 13 July 2023