Are there such things as merely possible people, who would have lived if our ancestors had
acted differently? Are there future people, who have not yet been conceived? Questions like …

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Much philosophy of logic is shaped, explicitly or implicitly, by the thought that logic is
distinctively formal and abstracts from material content. The distinction between formal and …

This paper is the first in a two-part series in which we discuss several notions of
completeness for systems of mathematical axioms, with special focus on their interrelations …

In Wittgenstein on Logic as the Method of Philosophy, Oskari Kuusela examines
Wittgenstein's early and late philosophies of logic, situating their philosophical significance …

The two most important meetings in philosophy and mathematics in 1900 took place in
Paris. The First International Congress of Philosophy met in August and so did, soon after …

Gottlob Frege (1848-1925) is considered the father of modern logic and one of the founding
figures of analytic philosophy. He was first and foremost a mathematician, but his major …

Written by a leading expert, this is the ideal guide to the only book Wittgenstein published
during his lifetime, the Tractatus Logico-Philosophicus. Michael Morris makes sense of …

In this paper I examine the question of logic's normative status in the light of Carnap's
Principle of Tolerance. I begin by contrasting Carnap's conception of the normativity of logic …

This book advances a reading of Wittgenstein's Tractatus that moves beyond the main
interpretative options of the New Wittgenstein debate. It covers Wittgenstein's approach to …