15 ideas
18739 | Three stages of philosophical logic: syntactic (1905-55), possible worlds (1963-85), widening (1990-) [Horsten/Pettigrew] |
18741 | Logical formalization makes concepts precise, and also shows their interrelation [Horsten/Pettigrew] |
18744 | Models are sets with functions and relations, and truth built up from the components [Horsten/Pettigrew] |
18740 | If 'exist' doesn't express a property, we can hardly ask for its essence [Horsten/Pettigrew] |
18745 | A Tarskian model can be seen as a possible state of affairs [Horsten/Pettigrew] |
18747 | The 'spheres model' was added to possible worlds, to cope with counterfactuals [Horsten/Pettigrew] |
18748 | Epistemic logic introduced impossible worlds [Horsten/Pettigrew] |
18746 | Possible worlds models contain sets of possible worlds; this is a large metaphysical commitment [Horsten/Pettigrew] |
18750 | Using possible worlds for knowledge and morality may be a step too far [Horsten/Pettigrew] |
15160 | Davidson rejected ordinary meaning, and just used truth and reference instead [Davidson, by Soames] |
14612 | Davidson aimed to show that language is structured by first-order logic [Davidson, by Smart] |
20508 | How people vote should be on public record, so they can be held accountable [Mill, by Wolff,J] |
20507 | Voting is a strict duty, like jury service, and must only be aimed at the public good [Mill] |
20505 | Direct democracy is inexperience judging experience, and ignorance judging knowledge [Mill] |
20504 | People can only participate in decisions in small communities, so representatives are needed [Mill] |