Proof of `Rank and trace of shared frame tensors` (2nd statement)
groundedproofs/Lax342547Proofs/TensorIntersections.lean · lax-342547
What this proof establishes
no assumptions
Assuming the claims on the left, the claim on the right holds — checked by the archive's pipeline. Proof code is not displayed here.
Description
Both tensor descriptions have the same rank, and the shared tensor's column space is contained in both endpoint spans.