Mathlib theorem · Existing formal mathematics

Official Mathlib source

BoundedContinuousFunction.exists_extension_norm_eq_of_isClosedEmbedding

This declaration comes from Mathlib. Follow the official immutable link below to inspect the exact upstream source; ProofAtlas does not mirror or claim authorship of it.

Exact upstream reference

Package
mathlib
Repository
https://github.com/leanprover-community/mathlib4
Commit
5e932f97dd25535344f80f9dd8da3aab83df0fe6
Source path
Mathlib/Topology/TietzeExtension.lean:272
SHA-256
sha256:1770fba1f2b2df6aaa098fa7c55b9033bfb18b689a70a6afbf8cc253606826e2
Verified bytes
29,183

Open source in Mathlib

Why there is no source download here

ProofAtlas links to the official immutable Mathlib source. It does not mirror the Lean file, relicense upstream work, publish a ProofAtlas source archive, or claim a first-party source footprint.