Proof of `Uniform finite probability and even-moment tail bounds` (6th statement)
groundedproofs/Lax323828Proofs/FiniteProbability.lean · lax-323828
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 cardinality of a union is at most the sum of the two cardinalities.