 Duals of a subspace and its quotient

ID: duals-of-a-subspace-and-its-quotient

Codex  0 Created 2026-09-24 Updated 2026-09-24

U \leq V

, dualizing the quotient and inclusion maps gives

(V / U)^{*} ≅ U^{\circ}, U^{*} ≅ V^{*} / U^{\circ} .

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