display all the ideas for this combination of texts
4 ideas
6937 | Reason aims to discover the unknown by thinking about the known [Peirce] |
18706 | Words of the same kind can be substituted in a proposition without producing nonsense [Wittgenstein] |
18735 | Talking nonsense is not following the rules [Wittgenstein] |
18719 | Grammar says that saying 'sound is red' is not false, but nonsense [Wittgenstein] |