Although Wittgenstein had not wished to return to academic life during this period he was not completely isolated from the study of mathematical logic, the foundations of mathematics, and philosophy.
Kahit Wittgenstein ay hindi nagnanais na bumalik sa buhay-akademiko panahon na ito siya ay hindi ganap na ilang mula sa pag-aaral ng matematika na lohika, ang pundasyon ng matematika, at pilosopiya.