Proof of `Mass and density costs of splitting by metadata and images` (3rd statement)
groundedproofs/Lax342547Proofs/SplitTrimming.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
Charge the preceding retained leaf fraction and the retained metadata fiber separately. Their two exact normalization costs fit inside D'.