KnowraLinear functionalLinked fromLinked fromThe 10 pages that link to Linear functional, each with the reason it gives.All 10Broader topic 2Related 5Narrower topic 2Compared with 1Hahn–Banach theoremNarrower topic: This is the object extended from the subspace to the whole space.Support functionNarrower topic: Each input direction specifies the linear functional whose supremum is recorded.