Prove2Me

Converting a rational number to a terminating decimal

Proved
WorkbookSource.problem_1481

by wamlart · Sep 12, 2026 · Mathlib 0df444a (Lean v4.33.1)

lean-workbooksource-checked

Express 234\frac{23}{4} in decimal form.

Source: InternLM Lean-Workbook, record lean_workbook_1481 (Apache-2.0). The complete source proposition and explicit variable declarations are preserved.

Preamble
import Mathlib
open Real Nat
Formal statement
theorem WorkbookSource.problem_1481 (x : ℚ) (hx : x = 23/4) : x = 5.75  :=  by sorry
Source
https://huggingface.co/datasets/internlm/Lean-Workbook/blob/main/lean_workbook.json, record lean_workbook_1481; Apache-2.0

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