Proof of `Ambient symmetries and frame marginals` (1st statement)
groundedproofs/Lax342547Proofs/FrameSymmetry.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
Fixing the channel Gram fixes the entire block Gram of the combined frames. The paired-matrix orbit theorem therefore transports every raw frame to every other frame with that same channel Gram.