Name Frederic Fitch | ||
Books Symbolic logic, Elements of Combinatory Logic Awards Guggenheim Fellowship for Humanities, US & Canada | ||
Frederic Brenton Fitch (1908 – September 18, 1987) was an American logician, a Sterling Professor at Yale University.
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Education
Fitch earned his Ph.D. from Yale in 1934 under the supervision of F. S. C. Northrop.
Work
Fitch was the inventor of the Fitch-style calculus for arranging formal logical proofs as diagrams. 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.
References
Frederic Fitch Wikipedia(Text) CC BY-SA