6 ideas
21552 | Common speech is vague; its vocabulary and syntax must be modified, for precision [Russell] |
21551 | Empirical words need ostensive definition, which makes them egocentric [Russell] |
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
20147 | Arguments that my finger does not exist are less certain than your seeing my finger [Moore,GE] |
21550 | Science reduces indexicals to a minimum, but they can never be eliminated from empirical matters [Russell] |