Crisp and insightful Learning Diary made on the topic Artificial Intelligence by a UG student of 4th semester. Major topics covered are History of AI, Spin-offs, State of the Art, Types of AI, Agents, PEAS Representation, Types of Knowledge, Techniques of Knowledge Representation, Propositional Logic, First Order Logic, Knowledge Inference, Reasoning in AI, Fuzzy logic, Modes of Approximate Reasoning, Expert Systems, Intelligent Decision Support Systems, Advanced Intelligent Systems, Knowledge Acquisition and Representation. The ending 12 pages mention Agent-based systems in Apparel Manufacturing.