- IsLocalSquare
- IsLongRoot
- IsLorentzian
- IsLowerTriangular
- IsMagmaEuclideanRing
- IsMatrixRing
- IsMaximal
- IsMaximal(O) : AlgAssVOrd -> BoolElt
- IsMaximal(S) : AlgEtQOrd -> BoolElt
- IsMaximal(G, H) : GrpAb, GrpAb -> BoolElt
- IsMaximal(G, H) : GrpFin, GrpFin -> BoolElt
- IsMaximal(G, H) : GrpFP, GrpFP -> BoolElt
- IsMaximal(G, H) : GrpMat, GrpMat -> BoolElt
- IsMaximal(G, H) : GrpPC, GrpPC -> BoolElt
- IsMaximal(L) : LatNF -> BoolElt, LatNF
- IsMaximal(G, H: parameters) : GrpPerm, GrpPerm -> BoolElt
- IsMaximal(O) : RngFunOrd -> BoolElt
- IsMaximal(I) : RngMPol -> BoolElt
- IsMaximal(O) : RngOrd -> BoolElt
- IsMaximalAtPrime
- IsMaximalIntegral
- IsMaximisingFunction
- IsMaximumDimensional
- IsMaximumDistanceSeparable
- IsMDS
- IsMemberBasicOrbit
- IsMetacyclicPGroup
- IsMinimal
- IsMinimalModel
- IsMinimalTwist
- IsMinusOne
- IsMixed
- IsMobile
- IsModular
- IsModularCurve
- IsModuleHomomorphism
- IsMonic
- IsMoriFibreSpace
- IsMorphism
- IsNearLinearSpace
- IsNearlyPerfect
- IsNeat
- IsNef
- IsNefAndBig
- IsNegative
- IsNegativeDefinite
- IsNegativeSemiDefinite
- IsNew
- IsNewform
- IsNewtonPolygonOf
- IsNilpotent
V2.29, 21 October 2025