Proof of `Joint channel law and its independent-column density` (4th statement)
groundedproofs/Lax342547Proofs/ChannelDensity.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
A paired-frame change carrying one channel pair to the other bijects their full raw-frame completions, giving exactly equal marginal masses.