1.1. The Elements of Programming

• 1.1.1. Expressions

• 1.1.2. Naming and the Environment

• 1.1.3. Evaluating Combinations

• 1.1.4. Compound Procedures

• 1.1.5. The Substitution Model for Procedure Application

• 1.1.6. Conditional Expressions and Predicates

• 1.1.7. Example: Square Roots by Newton’s Method

• 1.1.8. Procedures as Black-Box Abstractions