15 ideas
8755 | Maddy replaces pure sets with just objects and perceived sets of objects [Maddy, by Shapiro] |
7548 | Classes, grouped by a convenient property, are logical constructions [Russell] |
18256 | Quantity is inconceivable without the idea of addition [Frege] |
10718 | A natural number is a property of sets [Maddy, by Oliver] |
9831 | Geometry appeals to intuition as the source of its axioms [Frege] |
8756 | Intuition doesn't support much mathematics, and we should question its reliability [Maddy, by Shapiro] |
17733 | We know mind-independent mathematical truths through sets, which rest on experience [Maddy, by Jenkins] |
7545 | Visible things are physical and external, but only exist when viewed [Russell] |
7553 | Sense-data are purely physical [Russell] |
7549 | If my body literally lost its mind, the object seen when I see a flash would still exist [Russell] |
7546 | A man is a succession of momentary men, bound by continuity and causation [Russell] |
7550 | We could probably, in principle, infer minds from brains, and brains from minds [Russell] |
7551 | Matter is a logical construction [Russell] |
7547 | Matter requires a division into time-corpuscles as well as space-corpuscles [Russell] |
7552 | Six dimensions are needed for a particular, three within its own space, and three to locate that space [Russell] |