`BookProof.ChapterAttentionMixing.pushIter_isProb` {P : Fin m → Fin m → ℝ} {p : Fin m → ℝ} (hP : IsStochastic P) (hp : IsProb p) (n : ℕ) : IsProb (pushIter P n p)

Proved

BookProof.ChapterAttentionMixing.pushIter_isProb

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

theoremstimepiece

Prove the following Lean 4 theorem from ChapterAttentionMixing.

BookProof.ChapterAttentionMixing.pushIter_isProb {P : Fin m → Fin m → ℝ} {p : Fin m → ℝ} (hP : IsStochastic P) (hp : IsProb p) (n : ℕ) : IsProb (pushIter P n p)

Formalization note: Lean 4 identifier BookProof.ChapterAttentionMixing.pushIter_isProb.

Preamble

-- Generated from ChapterAttentionMixing.lean — theorem BookProof.ChapterAttentionMixing.pushIter_isProb
import Definitions.Def_ChapterSoftmaxSharpness
import Definitions.Def_ChapterSoftmaxOrder
import Mathlib
import Definitions.Def_ChapterAttentionMixing
import Definitions.Def_ChapterDutchBook
import Definitions.Def_ChapterAttentionMarkov
open BookProof.ChapterAttentionMixing


open scoped BigOperators

open Filter Topology

noncomputable section


open BookProof.ChapterSoftmaxSharpness BookProof.ChapterSoftmaxOrder
open BookProof.ChapterAttentionMarkov

variable {m : ℕ}

Formal statement

theorem BookProof.ChapterAttentionMixing.pushIter_isProb {P : Fin m → Fin m → ℝ} {p : Fin m → ℝ} (hP : IsStochastic P)
    (hp : IsProb p) (n : ℕ) : IsProb (pushIter P n p) := by sorry

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