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] |
9626 | A structure is an abstraction, focussing on relationships, and ignoring other features [Shapiro] |
467 | A virtue is a combination of intelligence, strength and luck [Ion] |