7 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] |
3597 | Foundations need not precede other beliefs [Wittgenstein] |
3596 | Total doubt can't even get started [Wittgenstein, by Williams,M] |
20921 | How can we state relativism of sweet and sour, if they have no determinate nature? [Theophrastus] |
4721 | If you are not certain of any fact, you cannot be certain of the meaning of your words either [Wittgenstein] |