`BookProof.ChapterDutchBook.Coherent.le_one` {Pr : Finset Ω → ℝ} (h : Coherent Pr) (A : Finset Ω) : Pr A ≤ 1

Proved

BookProof.ChapterDutchBook.Coherent.le_one

by leonardopedro · Oct 7, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterDutchBook.

BookProof.ChapterDutchBook.Coherent.le_one {Pr : Finset Ω → ℝ} (h : Coherent Pr) (A : Finset Ω) : Pr A ≤ 1

Formalization note: Lean 4 identifier BookProof.ChapterDutchBook.Coherent.le_one.

Preamble

-- Generated from ChapterDutchBook.lean — theorem BookProof.ChapterDutchBook.Coherent.le_one
import Mathlib
import Definitions.Def_ChapterDutchBook
open BookProof.ChapterDutchBook


open scoped BigOperators
open Finset


variable {Ω : Type*} [DecidableEq Ω]

Formal statement

theorem BookProof.ChapterDutchBook.Coherent.le_one {Pr : Finset Ω → ℝ} (h : Coherent Pr) (A : Finset Ω) :
    Pr A ≤ 1 := by sorry

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