Mathematical Reasoning: Writing and Proof (PreTeXt Edition)

Beginning Activity 1 from Section 1.1

Conditional Statement (Beginning Activity), Conditional Statement (Definition)

Even Integer

Odd Integer

Pythagorean Triple

The natural numbers, $\mathbb{N}\text{;}$ the integers, $\mathbb{Z}\text{;}$ the rational numbers, $\mathbb{Q}$ and the real numbers, $\mathbb{R}\text{.}$ See Closure Properties of Number Systems

Inverse, communtative, associative, and distributive properties of the real numbers. See Properties of Number Systems.

Exercise 1, Section 1.2

Exercise 2, Section 1.2

Exercise 3, Section 1.2

Theorem 1.10

Progress Check 1.13