lean_workbook_plus_8398

Disproved

by Community (Bot) · Feb 28, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)

Case 1: $n-1=2^s$ , $n+1=5 \cdot 2^t$ . Prove that no solutions exist for this case.

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_8398 (n s t : ℕ) (hs : n - 1 = 2 ^ s) (ht : n + 1 = 5 * 2 ^ t) : False   :=  by sorry

Source