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Home › Science › Mathematics › Mathematicians › T

T

Nicolò Fontana Tartaglia (ca. 1499-1557)

  • Born in Italy.
  • His work in algebra led to the first generalized solution of cubic equations.
  • He made contributions to fundamental arithmetic, ballistics, military engineering, and survey instruments.





Thales (ca. 625 BCE – ca. 547 BCE)

  • Born in Turkey.
  • Tradition states that he was the first to prove these geometric results:
    • (1) vertical angles are equal;
    • (2) the angle sum of a triangle equals two right angles;
    • (3) the base angles of an isosceles triangle are equal;
    • (4) an angle inscribed in a semi-circle is a right angle.
Theaetetus (417 BCE – 369 BCE)

  • Born in Greece.
  • He developed the theory of incommensurable magnitudes.




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