Ancient Greek philosophy started in the 6th century BC and continued during the Hellenistic period and Roman Empire.
Philosophy is a way to think about the world. The term was invented in Greece. Then it included the natural sciences, maths, politics, and ethics.[1]
Greek philosophy is one of the foundations of Western culture.[2] It has been a basis for thinking in Rome, Islamic philosophy, the Renaissance and the Age of Enlightenment.[3] Greek philosophy may have been somewhat influenced by the ancient Near East.[4]
Some of the most important early philosophers are Socrates, Aristotle, and Plato. Alexander the Great learned Greek philosophy before conquering the Persian Empire.
Many philosophers thought mathematics was important to all knowledge, and Euclid was one of the founders of mathematical thought. He wrote a famous book on geometry now called Euclid's Elements.