Prototractatus an early version of Tractatus logico-philosophicus - Wittgenstein, Ludwig 1889-1951; McGuinness, B. F; Nyberg, T; Wright, G. H. Von; Pears, D. F; McGuinness, B. F (London Routledge and Kegan Paul, 1971)
Text in English and German
Translation of : Tractatus logico-philosophicus
Keywords: Logic, Symbolic and mathematical; Language and languages -- Philosophy