Age, Biography and Wiki

Frederic Fitch was born on 9 September, 1908 in Greenwich, Connecticut, US, is an American mathematician. Discover Frederic Fitch's Biography, Age, Height, Physical Stats, Dating/Affairs, Family and career updates. Learn How rich is he in this year and how he spends money? Also learn how he earned most of networth at the age of 79 years old?

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Age 79 years old
Zodiac Sign Virgo
Born 9 September, 1908
Birthday 9 September
Birthplace Greenwich, Connecticut, US
Date of death September 18, 1987
Died Place New Haven, Connecticut, US
Nationality United States

We recommend you to check the complete list of Famous People born on 9 September. He is a member of famous mathematician with the age 79 years old group.

Frederic Fitch Height, Weight & Measurements

At 79 years old, Frederic Fitch height not available right now. We will update Frederic Fitch's Height, weight, Body Measurements, Eye Color, Hair Color, Shoe & Dress size soon as possible.

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Dating & Relationship status

He is currently single. He is not dating anyone. We don't have much information about He's past relationship and any previous engaged. According to our Database, He has no children.

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Frederic Fitch Net Worth

His net worth has been growing significantly in 2023-2024. So, how much is Frederic Fitch worth at the age of 79 years old? Frederic Fitch’s income source is mostly from being a successful mathematician. He is from United States. We have estimated Frederic Fitch's net worth, money, salary, income, and assets.

Net Worth in 2024 $1 Million - $5 Million
Salary in 2024 Under Review
Net Worth in 2023 Pending
Salary in 2023 Under Review
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Source of Income mathematician

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1908

Frederic Brenton Fitch (September 9, 1908, Greenwich, Connecticut – September 18, 1987, New Haven, Connecticut) was an American logician, a Sterling Professor at Yale University.

1931

At Yale, Fitch earned his B.A in 1931 and his Ph.D. from Yale in 1934 under the supervision of F. S. C. Northrop.

1934

From 1934 to 1937 Fitch was a postdoc at the University of Virginia.

1937

In 1937 he returned to Yale, where he taught until his retirement in 1977.

His doctoral students include Alan Ross Anderson, Ruth Barcan Marcus, and William W. Tait.

Fitch was the inventor of the Fitch-style calculus for arranging formal logical proofs as diagrams.

1949

He dealt with the theory of references in "The Problem of the Morning Star and the Evening Star" (1949).

He also contributed to the philosophy of how logic relates to language.

1963

In his 1963 published paper "A Logical Analysis of Some Value Concepts" he proves "Theorem 5" (originally by Alonzo Church), which later became famous in context of the knowability paradox.

1974

Fitch worked primarily in combinatory logic, authoring an undergraduate-level textbook on the subject (1974), but he also made significant contributions to intuitionism and modal logic.

He was interested in the problem of the consistency, completeness, categoricity, and constructivity of logical theories, especially nonclassical logics, and contributed to the foundations of mathematics and to inductive probability.

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