
O livro Investigações Filosóficas é considerado, ao lado do Tractatus Logico-Philosophicus, o trabalho mais importante do filósofo Ludwig Wittgenstein. As Investigações Filosóficas constituem uma espécie de síntese da segunda fase do pensamento de Wittgenstein, assim como o Tractatus é uma síntese da primeira. O livro …

On Certainty is a philosophical book composed from the notes written by Ludwig Wittgenstein just prior to his death. Some of the notes were left at the home of G. E. M. Anscombe, who later compiled the notes into a book. The book's concerns are largely epistemological, its main theme being that there are some things …

Culture and Value is a selection from the personal notes of Ludwig Wittgenstein made by Georg Henrik von Wright. It was first published in German as Vermischte Bemerkungen and the text has been emended in following editions. An English translation by Peter Winch was printed in 1980, and reprinted in 1984. Ten years …