Proof of `Exact conditioning costs and recovery of finite probability masses` (2nd statement)
groundedproofs/Lax342547Proofs/Conditioning.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
The conditional density costs exactly the inverse retained mass; outside the conditioning set the conditional point mass is zero.