5 ideas
6855 | Interesting philosophers hardly every give you explicitly valid arguments [Martin,M] |
6856 | Valid arguments can be rejected by challenging the premises or presuppositions [Martin,M] |
13547 | Limitation of Size is weak (Fs only collect is something the same size does) or strong (fewer Fs than objects) [Boolos, by Potter] |
13128 | 'Ultimate sortals' cannot explain ontological categories [Westerhoff on Wiggins] |
6857 | An error theory of perception says our experience is not as it seems to be [Martin,M] |