PMF.ofFinset

{α : Type u_1} → (f : α → ENNReal) → (s : Finset α) → ∑ a ∈ s, f a = 1 → (∀ a ∉ s, f a = 0) → PMF α

Given a finset s and a function f : α → ℝ≥0∞ with sum 1 on s, such that f a = 0 for a ∉ s, we get a PMF.

Defined in: Mathlib.Probability.ProbabilityMassFunction.Constructions
Cited by: 7 results in Mathlib
Foundations: Depth 120 from the axioms · uses propext, Classical.choice, Quot.sound

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