Official Mathlib source

Complex.norm_le_norm_of_mapsTo_ball

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/Analysis/Complex/Schwarz.lean:236
SHA-256: sha256:4eaf7a814c235969e3618f7cc004fce6f638bf061d4b9037c9b167d7d7d563c3
Verified bytes: 18,495

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.