16 ideas
7548 | Classes, grouped by a convenient property, are logical constructions [Russell] |
7545 | Visible things are physical and external, but only exist when viewed [Russell] |
12899 | The timid student has knowledge without belief, lacking confidence in their correct answer [Lewis] |
12897 | To say S knows P, but cannot eliminate not-P, sounds like a contradiction [Lewis] |
7549 | If my body literally lost its mind, the object seen when I see a flash would still exist [Russell] |
7553 | Sense-data are purely physical [Russell] |
12898 | Justification is neither sufficient nor necessary for knowledge [Lewis] |
12895 | Knowing is context-sensitive because the domain of quantification varies [Lewis, by Cohen,S] |
19562 | We have knowledge if alternatives are eliminated, but appropriate alternatives depend on context [Lewis, by Cohen,S] |
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] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
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] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |