WikiLean Articles · Brain · Recent changes · Proposals · Flags · Stats · About

Diff — Hahn–Banach theorem

Revision #3216 → #3738 · back to history

modifiedEvery sublinear function is convex29d0e0575ac0
FieldFrom #3216To #3738
mathlib.moduleMathlib.Analysis.SeminormMathlib.Analysis.Normed.Module.Seminorm.Basic
modifiedContinuous linear functional bounded by continuous seminorm is continuous727ed54af5b7
FieldFrom #3216To #3738
anchor.snippetIf [MATH] is a continuous sublinear function that dominates a linear functionalis a continuous sublinear function that dominates a linear functional
noteThe general 'dominated by a continuous sublinear function ⇒ continuous' statement for TVS-valued linear functionals is not stated as a standalone Mathlib lemma.The general 'dominated by a continuous sublinear function ⇒ continuous' statement for TVS-valued linear functionals is not stated as a standalone Mathlib lemma. Anchor snippet cleaned to remove [MATH] tokens.
provenanceaiai-moderated
addedSeparation of a point from a closed subspace by a continuous functionala31de250aa16
addedHahn–Banach provable from the ultrafilter lemma42c55a228412
addedWeak-topology space with separating dual is Hausdorff and locally convexc809c612bbb7