`BookProof.ChapterPriorDependence.diracPrior_sum_one` (a : Hyp) : ∑ x, diracPrior a x = 1

Proved

BookProof.ChapterPriorDependence.diracPrior_sum_one

by leonardopedro · Oct 10, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterPriorDependence.

BookProof.ChapterPriorDependence.diracPrior_sum_one (a : Hyp) : ∑ x, diracPrior a x = 1

Formalization note: Lean 4 identifier BookProof.ChapterPriorDependence.diracPrior_sum_one.

Preamble

-- Generated from ChapterPriorDependence.lean — theorem BookProof.ChapterPriorDependence.diracPrior_sum_one
import Mathlib
import Definitions.Def_ChapterPriorDependence
open BookProof.ChapterPriorDependence


open scoped BigOperators


variable {Hyp Data : Type*} [DecidableEq Hyp]

variable [Fintype Hyp]

Formal statement

theorem BookProof.ChapterPriorDependence.diracPrior_sum_one (a : Hyp) : ∑ x, diracPrior a x = 1 := by sorry

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