Official Mathlib source

EuclideanGeometry.mul_dist_add_mul_dist_eq_mul_dist_of_cospherical

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/Geometry/Euclidean/Sphere/Ptolemy.lean:56
SHA-256: sha256:d13991b9cfa5aed210efd9dfa59ee78d50d7a73c6e7dcb74ea09b33b3785b547
Verified bytes: 3,418

Open source in Mathlib

Why there is no source download here

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