1. Phytagoras (572-497 SM)
About his life histor, he was born on Samos island, Lonia. Date and year are not known exactly. He also left no writings so that what was known about the python needed testimoni.
* The thought phytahoras itself is: the substance of all things is a number and all the symptoms of nature is a mental reveal of mathematical comparisons. Numbers are the essence and essence of what they are. He also developed a basic mathematical problem that included number theory.
2. Socrates (469-399 SM)
The life history of Socrates is not widely known, but the main source of information about him can be obtained from the writings of Aristophanes, Xenophon, Plato and Aristoteles, because he himself did not leave the writing, while information about himself was obtained from his students. He was the shoproniscos carver's son and his mother was named Phairnarete who worked as a midwife.
* Thus, Socrates, with his scholarly mind, sought to investigate the whole human family by appreciating its physical and spiritual values. Where they are inseparable because of the connection of those two, a lot of value is produced.
3. Plato (427-347 SM)
He was born in Athens to a noble family. Plato was a devout follower of Socrates among followers who wielded great influence. Other than being known as an expert thought, Plato was also known as the most famous literary scholar. As a point of repudiation of his philosophy, he is trying to settle an old score. It's the world of ideas and experience.
Managed to bridge the dispute between Herakleitos and Permenides, and some of his thoughts about god are among other things:
a. That man has god as his creator
b. That god knows everything that man does
c. The lord can only be known by negative means, no verse, no child or other
d. It is the lord who makes this nature from uncompromising rules to having rules.
4. Aristoteles (384-322 SM)
He was born in stageira, northern Greece in 384 B.C. Her father was a private physician at king of Macedonia amyntas. Because of his life in the palace environment, he inherited his expertise in the empirical knowledge of his father. At the age of 17 he was sent to Athens to study at Plato's academics for about 20 years until Plato died. For a long time he had been a teacher at Plato's academics in teaching logic and rhetoric.
* Some Aristotle thought composed
a. His teaching on logic
b. His teachings on syllogism
c. It's about grouping science
d. What he taught about potential and dynamics, and so on.