"[A]lthough my attempted reconstruction of the view of Whitehead and Russell overcomes, I think, many of the difficult…"

"But what we can't say we can't say, and we can't whistle it either."

"The first problem I propose to tackle is this: how much of its income should a nation save? To answer this a simple r…"

"It is worth pausing for a moment to consider how far our conclusions are affected by considerations which our simplif…"

"The object of this paper is to give a satisfactory account of the Foundations of Mathematics in accordance with the g…"

"[W]e shall be concerned with the general nature of pure mathematics, and how it is distinguished from other sciences.…"

"[T]he formalist school, of whom the most eminent representative is Hilbert, have concentrated on the propositions of …"

"The formalists neglected the content altogether and made mathematics meaningless, the logicians neglected the form an…"

"Tautologies and contradictions are not real propositions, but degenerate cases. ...Clearly, by negating a contradicti…"

"The assimilation of tautologies and contradictions with true and false propositions respectively results from the fac…"