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A correction to the sentential calculus of Tarski's Introduction To Logic.
Published online by Cambridge University Press: 12 March 2014
Abstract
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- Copyright © Association for Symbolic Logic 1942
References
1 Alfred, Tarski, Introduction to logic and to the methodology of deductive sciences, New York 1941.Google Scholar See page 147.
2 Page 151, last paragraph.
I have brought this error to the attention of Professor Tarski. He attributes it to inadvertence in writing down the axioms, and plans to make the necessary changes in the next edition of his book.
Note added January 6, 1942. I have just noticed that the above matrices for “→” and “∼” are the same, except for differences in designation of the elements, as those given by Łukasiewicz (1868, p. 65) for his three-valued calculus.