In a logic system, reasoning from facts to conclusions. The definitions of the boolean operators are extended to fit this continuous domain. Fuzzy Logic has applications in control theory. The dictionary defines it as a method that serves as an aid to problem solving. It is sometimes defined as any 'rule of thumb'.
Language acquisition is a technique for the computer to generate the grammar rules itself.
It includes Reinforcement Learning and Neural Networks among many other fields. An algorithm for game playing in games with perfect information. See alpha-beta pruning. Evolved languages that humans use to communicate with one another. A planner that only orders steps that need to be ordered, and leaves unordered any steps that can be done in any order.