Boxed asides provide tips on proof techniques, comments about the significance of theorems, and remarks about notational conventions.

The text bridges the gap between intuition and abstraction by including many easy exercises and examples that connect abstract concepts to the student’s own understanding of more concrete ideas.

Explanatory notes accompany some problems and explain the context of the problem or invite the student to reflect upon the implications of the result.

Flexible two-part structure is ideal for diverse groups of students as well as instructors having various and differing requirements.