4 ideas
13827 | Logical consequence isn't a black box (Tarski's approach); we should explain how arguments work [Prawitz] |
13826 | Model theory looks at valid sentences and consequence, but not how we know these things [Prawitz] |
8754 | Logic is dependent on mathematics, not the other way round [Heyting, by Shapiro] |
1556 | By nature people are close to one another, but culture drives them apart [Hippias] |