In a legal procedure sense, lineal descent refers to the acquisition of estate by inheritance from grandparent to parent and parent to child, whereas collateral descent refers to the acquisition of estate or real property by inheritance from sibling to sibling, and cousin to cousin.
Early life. Plato was born in Athens, Greece, the son of Ariston and Perictione, both of Athenian noble backgrounds. He lived his whole life in Athens, although he traveled to Sicily and southern Italy on several occasions.One story says he traveled to Egypt.arly life. Plato was born in Athens, Greece, the son of Ariston and Perictione, both of Athenian noble backgrounds. He lived his whole life in Athens, although he traveled to Sicily and southern Italy on several occasions. One story says he traveled to Egypt.
Mathematics, rhetoric, astronomy, dialectics, and other subjects, all seen as necessary for the education of philosophers and statesmen, were studied there. Some of Platoâs pupils later became leaders, mentors, and constitutional advisers in Greek city-states. His most renowned pupil was Aristotle. Plato died in c. 347 B.C.E. During his lifetime, Athens turned away from her military and imperial ambitions and became the intellectual center of Greece.