6 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] |
6857 | An error theory of perception says our experience is not as it seems to be [Martin,M] |
19087 | The meaning or purport of a symbol is all the rational conduct it would lead to [Peirce] |
1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |