Prove2Me

lean_workbook_plus_8656

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

Prove that ex≥x+1 e^x \ge x+1 if x∈[0,+∞) x \in [0,+\infty) .

Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_8656 (x : ℝ) (hx : 0 ≤ x) : exp x ≥ x + 1   :=  by sorry
Source
https://huggingface.co/datasets/internlm/Lean-Workbook

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