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185006

(1997) Structures and norms in science, Dordrecht, Springer.

The prehistory of infinitary logic

1885–1955

Gregory H. Moore

pp. 105-123

Traditionally, logic was restricted to proofs having a finite number of steps and to expressions of finite length. Around 1954–56, infinitely long formulas entered the mainstream of mathematical logic through the work of Henkin, Karp, Scott, and Tarski. Soon Hanf and Tarski used such logics to settle negatively the 30-year-old problem of whether the first strongly inaccessible cardinal is measurable, a result Tarski communicated to the first LMPS congress in 1960. Infinitary logic continues to be fertile in unexpected ways, as shown by Kolaitis at the present congress.

Publication details

DOI: 10.1007/978-94-017-0538-7_7

Full citation:

Moore, G. H. (1997)., The prehistory of infinitary logic: 1885–1955, in K. Doets & D. Mundici (eds.), Structures and norms in science, Dordrecht, Springer, pp. 105-123.

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