lean_workbook_plus_6861

Proved

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

Let $2k+1=u^2$ and $3k+1=v^2.$

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_6861 (k u v : ℕ) (h₁ : 2 * k + 1 = u ^ 2) (h₂ : 3 * k + 1 = v ^ 2) : ∃ k u v : ℕ, 2 * k + 1 = u ^ 2 ∧ 3 * k + 1 = v ^ 2   :=  by sorry

Source

https://huggingface.co/datasets/internlm/Lean-Workbook

View graph