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All the ideas for 'Purifications (frags)', 'works' and 'On the analysis of moral judgements'

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9 ideas

6. Mathematics / B. Foundations for Mathematics / 4. Axioms for Number / a. Axioms for numbers
3338 Numbers have been defined in terms of 'successors' to the concept of 'zero' [Peano, by Blackburn]
6. Mathematics / B. Foundations for Mathematics / 4. Axioms for Number / d. Peano arithmetic
5897 0 is a non-successor number, all successors are numbers, successors can't duplicate, if P(n) and P(n+1) then P(all-n) [Peano, by Flew]
22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / b. Defining ethics
6968 Some people think there are ethical facts, but of a 'queer' sort [Ayer]
6972 A right attitude is just an attitude one is prepared to stand by [Ayer]
22. Metaethics / A. Ethics Foundations / 1. Nature of Ethics / d. Ethical theory
6973 Moral theories are all meta-ethical, and are neutral as regards actual conduct [Ayer]
6974 Moral judgements cannot be the logical consequence of a moral philosophy [Ayer]
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / c. Ethical intuitionism
6971 I would describe intuitions of good as feelings of approval [Ayer]
22. Metaethics / A. Ethics Foundations / 2. Source of Ethics / h. Expressivism
6969 Approval of historical or fictional murders gives us leave to imitate them [Ayer]
6970 Moral judgements are not expressions, but are elements in a behaviour pattern [Ayer]