1. Weyl briefly shifted his position wholly to the intuitionism of Brouwer. 2. He was the founder of the mathematical philosophy of intuitionism . 3. Indeed, Hilbert lost his " gifted pupil " Weyl to intuitionism : 4. He claims that two methods intuitionism and utilitarianism can be fully harmonized. 5. There may be issues of arbitrariness or " sloppy intuitionism " lurking there. 6. He has defended ethical intuitionism , direct realism, libertarianism and philosophical anarchism. 7. Finitism is an extreme version of intuitionism that rejects the idea of potential infinity. 8. Constructivism is often identified with intuitionism , although intuitionism is only one constructivist program. 9. Constructivism is often identified with intuitionism, although intuitionism is only one constructivist program. 10. Soon he became a known mathematician specializing in the fields of ultrafinitism and intuitionism .