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Thales of Miletus

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Thales of miletus
By: Harry Magnus Adinata
March 31, 2015
Oxbridge
Guangdong Shunde Desheng School, Internation Education Division
March 31, 2015
Oxbridge
Guangdong Shunde Desheng School, Internation Education Division

Thales of Miletus

Thales of Miletus has always been one of my favourite philosopher. Although at first, I knew him through mathematic books I have read when I was at the primary school, but once I see his profile on philosophy, his thoughts became more and more interesting, which is why I chose him for this philosophy project.
Thales of Miletus, was a pre-Socratic Greek philosopher from Miletus in Asia Minor (Anatolia) and one of the Seven Sages of Greece (or Seven Wise Men). He was born estimated 624 BC and died estimated at 546 BC.
A lot of people, especially Aristotle, claimed him to be the first philosopher in Greek tradition. He is well-known for his hypothesis that all matters in this world is originated from one substance: water. He was also the first to define general principles and set forth hypotheses, and as a result has been called the "Father of Science”. Besides being the first Greek philosopher and called as the “Father of Science”, Thales also considered as “the first Greek mathematicians”. He once used geometry to solve problems such as calculating the height of pyramids and the distance of ships from the shore. He is credited with the first use of deductive reasoning applied to geometry, by deriving four analogies to Thales' Theorem. As a result, he has been called as the first true mathematician and is the first known individual to whom a mathematical discovery has been attributed. Thales Theorem states that if A, B and C are points on a circle where the line AC is a diameter of the circle, then the angle ∠ABC is a right angle.
The Greeks often explained the natural phenomena that happen with reference to their gods and heroes. However, Thales tried to explain all of the natural phenomena that were happening with a logical explanation and using the natural processes itself. For an instance, rather than assuming that earthquakes were the result of supernatural shakes, Thales explained them by assuming that the Earth floats on water and that earthquakes happen when the Earth is shaken by the waves. He also once stopped the war which has been going on for six years between the Lydians and the Medes by predicting the solar eclipse. It is said that both of the parties made peace immediately, swearing a blood oath. His way of rejecting the connection between natural phenomenon and mythology has brought a great influence to the scientific revolution up to today. Aristotle, who had given us most information of Thales in a book he wrote, once said that the first philosophers were trying to define the substance(s) of which all material objects are composed. As a matter of fact, that is exactly what modern scientists are attempting to accomplish in nuclear physics, which is a second reason why Thales is described as the first western scientist.
Thales' most famous philosophical position was his cosmological thesis, which been told to us through a passage from Aristotle's Metaphysics. In the work, Aristotle clearly reported Thales’ hypothesis about the nature of matter which stated that water is the principal of all matters. Aristotle then try to come up with some speculations based on his own observations to give some assurance to why Thales may have developed this hypothesis. Aristotle considered Thales’ assumption to be roughly the same to the later ideas of Anaximenes, who stated that everything was composed of air.
Aristotle “speak” out his own thinking about matter and form which says:
"That from which is everything that exists and from which it first becomes and into which it is rendered at last, its substance remaining under it, but transforming in qualities, that they say is the element and principle of things that are. …For it is necessary that there be some nature, either one or more than one, from which become the other things of the object being saved... Thales the founder of this type of philosophy says that it is water."
In this quote we see Aristotle's description of the problem of change and the definition of substance. He asked when an object is change, is it the same, or is it different? In either case how can there be a change from one to the other? The answer is that the substance "is saved", but acquires or loses different qualities.
Heraclitus Homericus states that Thales drew his conclusion from seeing moist substance turn into air, slime and earth. It seems likely that Thales viewed the Earth as solidifying from the water on which it floated and the oceans that surround it.
In conclusion, Thales may be a mysterious figure as there is no concrete record of his existence and although his theory where water is the principal of all matters has been denied by scientists nowadays, but his thoughts has changed the world today, especially in terms of scientific revolution.

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