Introduction to Computing: Explorations in Language, Logic, and Machines[ This is the black and white version of the book. See http: www. lulu. com content paperback book introduction to computing explorations in language logic and machines 8145164 for the color edition. ] This book is a survey introduction to the most important ideas in computing. It focuses on the big ideas in computer science including the major themes of recursive definitions (we can define things in terms of smaller versions of themselves),