Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 1 - Section 1.7 - The Formal Proof of a Theorem - Exercises - Page 53: 10c

Answer

The definition (of something) CAN be cited as a reason in a proof.

Work Step by Step

The definition of something is a simple and common reason to explain a certain statement in a proof.
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