Thales contribution to mathematics

Thales of Miletus


Biography

Thales of Miletus was the son of Examyes and Cleobuline. His parents are said by some to be from Miletus but others report that they were Phoenicians. J Longrigg writes in [1]:-
But the majority opinion considered him a true Milesian by descent, and of a distinguished family.
Thales seems to be the first known Greek philosopher, scientist and mathematician although his occupation was that of an engineer. He is believed to have been the teacher of Anaximander(611 BC - 545 BC) and he was the first natural philosopher in the Milesian School. However, none of his writing survives so it is difficult to determine his views or to be certain about his mathematical discoveries. Indeed it is unclear whether he wrote any works at all and if he did they were certainly lost by the time of Aristotle who did not have access to any writings of Thales. On the other hand there are claims that he wrote a book on navigation but these are based on little evidence. In the book on navigation it is suggested that he used the constellation Ursa Minor, which he defined, a

Thales of Miletus

Ancient Greek philosopher (c. 624 – c. 545 BC)

"Thales" redirects here. For the company, see Thales Group. For other uses, see Thales (disambiguation).

Thales of Miletus (THAY-leez; Ancient Greek: Θαλῆς; c. 626/623  – c. 548/545 BC) was an Ancient Greekpre-Socraticphilosopher from Miletus in Ionia, Asia Minor. Thales was one of the Seven Sages, founding figures of Ancient Greece.

Beginning in eighteenth-century historiography, many came to regard him as the first philosopher in the Greek tradition, breaking from the prior use of mythology to explain the world and instead using natural philosophy. He is thus otherwise referred to as the first to have engaged in mathematics, science, and deductive reasoning.[2]

Thales' view that all of nature is based on the existence of a single ultimate substance, which he theorized to be water, was widely influential among the philosophers of his time. Thales thought the Earth floated on water.

In mathematics, Thales is the namesake of Thales's theorem, and the intercept theorem

Thales
Mathematician & Philosopher
SpecialtyEthics, metaphysics, mathematics, astronomy
Bornc. 624 BC
Diedc. 547–546 BC
NationalityGreek

Thales was born more than 600 years before the birth of Christ. He entered life steeped in a culture defined by ancient mythologies. But it is Thales who is said to be among the first to toss aside centuries of nonscientific belief systems. Instead, he attempted to explain physical reality in terms of objective observation, measuring, testing and by developing solid mathematics.

Early Years of Thales

It is believed that Thales was born around the year 624 B.C. in the Ionian city of Miletus, which today is located on the western coast of Turkey. Because of the vast timescale, specific details of just where or when Thales was born are sketchy. Some ancient sources name his parents as Examyes and Cleobuline. It is possible and likely that his family was of the higher class, and perhaps even wealthy merchants. Some have traced the family of Thales back to an important Phoenician prince.

It must be acknowledge

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