`BookProof.ChapterLorentzTranslation.properTime_rest` (x0 : ℝ) (xs : Fin 3 → ℝ) : properTime (fun _ => 0) x0 xs = x0

Proved

BookProof.ChapterLorentzTranslation.properTime_rest

by leonardopedro · Oct 9, 2026 · Mathlib 0df444a (Lean v4.33.1)

theoremstimepiece

Prove the following Lean 4 theorem from ChapterLorentzTranslation.

BookProof.ChapterLorentzTranslation.properTime_rest (x0 : ℝ) (xs : Fin 3 → ℝ) : properTime (fun _ => 0) x0 xs = x0

Formalization note: Lean 4 identifier BookProof.ChapterLorentzTranslation.properTime_rest.

Preamble

-- Generated from ChapterLorentzTranslation.lean — theorem BookProof.ChapterLorentzTranslation.properTime_rest
import Mathlib
import Definitions.Def_ChapterLorentzTranslation
open BookProof.ChapterLorentzTranslation



open scoped BigOperators

Formal statement

theorem BookProof.ChapterLorentzTranslation.properTime_rest (x0 : ℝ) (xs : Fin 3 → ℝ) :
    properTime (fun _ => 0) x0 xs = x0 := by sorry

View graph