15 ideas
10779 | A comprehension axiom is 'predicative' if the formula has no bound second-order variables [Linnebo] |
7548 | Classes, grouped by a convenient property, are logical constructions [Russell] |
10781 | A 'pure logic' must be ontologically innocent, universal, and without presuppositions [Linnebo] |
10778 | Can second-order logic be ontologically first-order, with all the benefits of second-order? [Linnebo] |
10783 | Plural quantification depends too heavily on combinatorial and set-theoretic considerations [Linnebo] |
7545 | Visible things are physical and external, but only exist when viewed [Russell] |
10782 | The modern concept of an object is rooted in quantificational logic [Linnebo] |
490 | Everything happens by reason and necessity [Leucippus] |
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] |