Wittgenstein, Ludwig, 1889-1951
Prototractatus : an early version of Tractatus logico-philosophicus / by Ludwig Wittgenstein ; edited by B. F. McGuinness, T. Nyberg, G. H. von Wrightwith a translation by D. F. Pears, B. f. McGuinnessan hitorica introduction by G. H. von Wright
Prototractatus : an early version of Tractatus logico-philosophicus / by Ludwig Wittgenstein ; edited by B. F. McGuinness, T. Nyberg, G. H. von Wrightwith a translation by D. F. Pears, B. f. McGuinnessan hitorica introduction by G. H. von Wright
. - 1st ed
. - xxa-fim yyc-fim, 1971