6 ideas
17813 | Löwenheim-Skolem says any theory with a true interpretation has a model in the natural numbers [White,NP] |
17812 | Finite cardinalities don't need numbers as objects; numerical quantifiers will do [White,NP] |
22320 | An 'object' is just what can be referred to without possible non-existence [Wittgenstein] |
18283 | Language pictures the essence of the world [Wittgenstein] |
18282 | You can't believe it if you can't imagine a verification for it [Wittgenstein] |
4761 | The 'error theory' of morals says there is no moral knowledge, because there are no moral facts [Mackie, by Engel] |