Proof of `Measurability of Bernstein numbers and of pushforwards` (3rd statement)
groundedproofs/Lax606786Proofs/GrassmannianContraction.lean · lax-606786
What this proof establishes
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
On a separable space is a supremum over a countable dense family of subspaces of functions continuous in .