5 ideas
13832 | Natural deduction shows the heart of reasoning (and sequent calculus is just a tool) [Gentzen, by Hacking] |
22485 | Non-cognitivists give the conditions of use of moral sentences as facts about the speaker [Foot] |
22486 | The mistake is to think good grounds aren't enough for moral judgement, which also needs feelings [Foot] |
22487 | Moral arguments are grounded in human facts [Foot] |
9425 | Lewis later proposed the axioms at the intersection of the best theories (which may be few) [Mumford on Lewis] |