16 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] |
14528 | Maybe modal thought is unavoidable, as a priori recognition of necessary truth-preservation in reasoning [Hale/Hoffmann,A] |
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] |
2848 | Two people might agree in their emotional moral attitude while disagreeing in their judgement [Brink] |
2853 | Emotivists claim to explain moral motivation by basing morality on non-cognitive attitudes [Brink] |
2852 | Emotivists tend to favour a redundancy theory of truth, making moral judgement meaningless [Brink] |
2849 | Emotivism implies relativism about moral meanings, but critics say disagreements are about moral reference [Brink] |
2850 | How can emotivists explain someone who recognises morality but is indifferent to it? [Brink] |
2851 | Emotivists find it hard to analyse assertions of moral principles, rather than actual judgements [Brink] |