(k : ℕ) : phi k 0 = 1 / k.factorial

Proved

BookProof.ChapterH1.phi_at_zero

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

timepiece

Lean 4 theorem BookProof.ChapterH1.phi_at_zero (module BookProof.ChapterH1), source chapter BookProof/ChapterChapterH1.lean.

Preamble

-- Generated from ChapterH1.lean — theorem BookProof.ChapterH1.phi_at_zero
import Mathlib
import Definitions.Def_ChapterH1
open BookProof.ChapterH1






open scoped BigOperators
open intervalIntegral


noncomputable section

Formal statement

theorem BookProof.ChapterH1.phi_at_zero (k : ℕ) : phi k 0 = 1 / k.factorial := by sorry

Source

https://github.com/leonardopedrio/timepiece/blob/61595bc/BookProof/ChapterChapterH1.lean

View graph