Chapter 1. The algebra of sets. p.1.-- Chapter 2. Boolean algebra. p.25.-- Chapter 3. Symbolic logic and the algebra of propositions. p.43.-- Chapter 4. Switching algebra. p.75.-- Chapter 5. Relay circuits and control problems. p.104.-- Chapter 6. Circuits for arithemetic computation. p.135.-- Chapter 7. Introduction to probability in finitec sample spaces. p.153.