Proof of `Exact conditioning costs and recovery of finite probability masses` (3rd 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
Expand the finite event sum and factor out the common inverse retained mass from the conditional point probabilities.