This document provides a brief historical introduction to the major periods and thinkers in the history of Western philosophy. It discusses ancient Greek philosophy from the Pre-Socratics like Thales, Anaximander, and Anaximenes. It then covers Socrates, Plato, and Aristotle, known as the Greek triumvirate. Medieval philosophy is discussed as being theocentric. Major philosophers mentioned include Augustine and Aquinas. The document outlines key developments and thinkers of modern philosophy like Descartes, Locke, and Kant. It concludes with an overview of 19th century evolutionary philosophy and the transition to the 20th century.

1. Brief Historical Introduction<br />What is the significance in understanding the history of the past?<br />To see its significant contributions to the solution or at least the illumination of contemporary issues and problems.

2. To understand that every period or age has its own identity or characteristics.

3. To witness the evolutionary phase or development of the human mind in history.History of western philosophy can be divided into different stages or epochs; namely<br />Ancient Philosophy<br />The term ancient philosophy refers to the philosophical activities of the early Greek world.<br />They operated over a period of some 1,000 years from the middle of the 1st millennium B.C. to the middle of the 1st millennium A.D.<br />Ancient philosophy, specifically during the Pre-Socratic period is characteristically cosmocentric, which speaks of the specification of non-perceptible items such as numbers, deities, and universal kinds.

4. The Pre-Socratics were uninhibited in proposing bold theories on the largest possible scale.

5. The analysis and evaluation of patterns of reasoning and argument.

6. The importance of understanding in the pursuit of good life.

7. The need to analyze the nature of human person.