Official Mathlib source

EuclideanGeometry.dist_sq_eq_dist_sq_add_dist_sq_sub_two_mul_dist_mul_dist_mul_cos_angle

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/Triangle.lean:242
SHA-256: sha256:d213d254e278b215ce8d206d4ea2290e3ef39cb4a84e2696c3c08e6639135ade
Verified bytes: 25,183

Open source in Mathlib

Why there is no source download here

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