Oxford, Blackwell, (1969). 8vo. Orig. full cloth w. orig. dust-jacket. D-j. price-clipped and w. some tears, mainly to upper front hinge. Internally mint. (2), 490, (1) pp.
First edition of this important posthumously published work by one of the most significant 20th century philosophers, who has contributed more groundbreakingly to the foundation of logic, philosophy of mathematics, philosophy of language, and philosophy of mind than any other modern thinker.
Wittgenstein only published one single book in his life-time, i.e. "Tractatus", and all of his other works were published posthumously. This work was written in 1932 and left behind as a manuscript to be found after his death.