By Douglas Patterson
This examine appears to the paintings of Tarski's mentors Stanislaw Lesniewski and Tadeusz Kotarbinski, and reconsiders the entire significant concerns in Tarski scholarship in gentle of the notion of Intuitionistic Formalism constructed: semantics, fact, paradox, logical outcome.
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Extra resources for Alfred Tarski: Philosophy of Language and Logic
Propositions, depend on the symbolic functions of the elements of these constructions, that is individual words, and on their mutual relationship. In the unplanned process of development of language, the symbolic function of propositions can depend in some particular cases on identical symbolic functions and on identical relationship between speciﬁc words—in quite different ways. The planned construction of complex linguistic forms cannot, for representing various contents (tre´sci) in the system of theoretical propositions, be conﬁned within the possible results of the unplanned evolution of language.
The symbol of identity occurs in Languages I and II (and also in the languages of Frege, Behmann, Hilbert) as an undeﬁned symbol. ” Wittgenstein rejects the symbol altogether and suggests a new method for the use of variables by which it may be avoided. Philosophical discussions concerning the justiﬁcation of these various methods seem to us to be wrong. The whole thing is only a question concerning the establishment of a convention whose technical efﬁciency can be discussed. No fundamental reasons exist why the second or third of these methods should not be used instead of the ﬁrst in Languages I and II [Carnap, 2002, 49].
One thing that these later remarks make clear is that though Le´sniewski made some reference to Brentano and Husserl in his early discussions of “referential intentions” and the like, no heavy theory of “mental acts” lies behind his views; his interest is really a practical one in being understood to have said exactly what he intended to say. Le´sniewski retakes the philosophical stage after his absence with a trenchant criticism of known systems of mathematical logic, criticizing the major contributions of the period—Frege’s proposed modiﬁcation to 26 Alfred Tarski: Philosophy of Language and Logic his own system in the appendix to the Grundgesetze, Principia, Zermelo and others—for their lack of intuitive backing.