5 ideas
18344 | Truth and falsehood must track what does or doesn't exist [Bigelow] |
15946 | Cantor developed sets from a progression into infinity by addition, multiplication and exponentiation [Cantor, by Lavine] |
19043 | Bivalence applies not just to sentences, but that general terms are true or false of each object [Quine] |
15911 | Ordinals are generated by endless succession, followed by a limit ordinal [Cantor, by Lavine] |
19042 | Terms learned by ostension tend to be vague, because that must be quick and unrefined [Quine] |