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Frank P. Ramsey

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Frank P. Ramsey (22 February 1903 - 19 January 1930) was a British mathematician and logician.

Ramsey was born in Cambridge where his father was President of Magdalene College. He was educated at Winchester College before returning to Cambridge to study mathematics at Trinity College.

He graduated as a Wrangler (the Cambridge terminology for one who obtains a first-class degree). In 1924 he became a fellow of King's College at the age of only 21. He produced a prodigious amount of work in the areas of the logic, mathematics, economics and philosophy. He died at the age of 26, ending a promising career too early.

Ramsey's most celebrated contribution to mathematics is now known as Ramsey Theory, the branch of graph theory and combinatorics that deals with the idea that within a sufficiently large system, however disordered, there must be some order. One of the theorems proved by Ramsey in his 1930 paper On a problem of formal logic, which sparked the growth in this field, now bears his name (see Ramsey's theorem).

Further Ramsey, a good friend of economist John Maynard Keynes, published A contribution to the theory of taxation and A mathematical theory of saving. His philosophical works included Universals (1925), Facts and propositions (1927), Universals of law an of fact (1928), Knowledge (1929), Theories (1929), and General propositions and causality (1929).

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