There can be no doubt that the knowledge of logic is of considerable practical importance for everyone who desires to think and infer correctly.
Introduction to Logic and to the Methodology of Deductive Sciences. - Olaf Helmer (trad.) - p. 109 - (ed. 2013) ISBN-13: 978-1614275404
Alfred Tarski frases e citações
Alfred Tarski: Frases em inglês
Fonte: The Semantic Conception of Truth (1952), p. 45; as cited in: Schaff (1962) pp. 36-37.
Fonte: The Semantic Conception of Truth (1952), p. 17; as cited in: Adam Schaff (1962). Introduction to semantics, p. 90.
Fonte: The Semantic Conception of Truth (1952), p. 41.
Introduction to Logic: and to the Methodology of Deductive Sciences. (1941/2013) Tr. Olaf Helmer, pp. 108-110.
Introduction to Logic: and to the Methodology of Deductive Sciences. (1941/2013) Tr. Olaf Helmer, p. 109.
"The Concept of Truth in Formalized Languages" (1931) in Logic, Semantics, Metamathematics: Papers from 1923 to 1938 (1956) Tr. J. H. Woodger.