Combining Philosophers

All the ideas for David O. Brink, Anon (Josh) and Augustus De Morgan

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10 ideas

5. Theory of Logic / E. Structures of Logic / 6. Relations in Logic
De Morgan started the study of relations and their properties [De Morgan, by Walicki]
De Morgan found inferences involving relations, which eluded Aristotle's syllogistic [De Morgan, by Hart,WD]
5. Theory of Logic / G. Quantification / 2. Domain of Quantification
De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki]
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / h. Expressivism
How can emotivists explain someone who recognises morality but is indifferent to it? [Brink]
Two people might agree in their emotional moral attitude while disagreeing in their judgement [Brink]
Emotivists find it hard to analyse assertions of moral principles, rather than actual judgements [Brink]
Emotivists claim to explain moral motivation by basing morality on non-cognitive attitudes [Brink]
Emotivists tend to favour a redundancy theory of truth, making moral judgement meaningless [Brink]
Emotivism implies relativism about moral meanings, but critics say disagreements are about moral reference [Brink]
27. Natural Reality / E. Cosmology / 1. Cosmology
Joshua said, Sun, stand thou still [Anon (Josh)]