It seemed that he was no longer convinced of his results in topology because they were not correct from the point of view of intuitionism, and he judged everything he had done before, his greatest output, false according to his philosophy.
It seemed na siya ay hindi na kumbinsido ng kanyang mga resulta sa topology dahil sila ay hindi tama mula sa point of view ng intuitionism, at siya hinahatulan siya had tapos na ang lahat bago, ang kanyang pinakamalaking output, false ayon sa kanyang pilosopiya.