A1.4 — Examples and logical conclusions
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Years 5-7 · Lesson 1: Examples and logical conclusions
Some residents of a town have beautiful handwriting. No poet has beautiful handwriting, and every boxer is a poet. A visitor claims that every resident is a boxer or a poet. Can the claim be true? Explain.
Source: Logic: the language of mathematics — Khamovniki, Russian Grades 5-7, Series 5, 18 October 2014. K2, Problem 5. Preparation-circle worksheet.