A Thinking Model for Deductive Proof.

Shoecraft, Paul

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Peer reviewed

ERIC Number: EJ114959

Record Type: Journal

Publication Date: 1975

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A Thinking Model for Deductive Proof

Shoecraft, Paul

Arithmetic Teacher, 22, 3, 222-224, Mar 75

The author states two "Birdcage Axioms" (often called the Pigeonhole principles) and shows how students can prove a variety of theorems from them. (SD)

Descriptors: Critical Thinking, Deduction, Elementary Education, Elementary School Mathematics, Enrichment, Instruction, Logical Thinking, Mathematics Education, Number Concepts

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