Wittgenstein, Ludwig, 1889-1951 The blue and brown books : preliminary studies for the philosophical investigations / Ludwig Wittgenstein

The blue and brown books : preliminary studies for the philosophical investigations / Ludwig Wittgenstein . - 1ª ed . - xxa Oxford xxa-fimyyc Basil Blackwell yyc-fim, 1978 . - 16, 192 p. 22 cm . - (Black well paperback))
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Filosofia
Lógica