7 ideas
8758 | We could talk of open sentences, instead of sets [Chihara, by Shapiro] |
9390 | Logic guides thinking, but it isn't a substitute for it [Rumfitt] |
10265 | Chihara's system is a variant of type theory, from which he can translate sentences [Chihara, by Shapiro] |
8759 | We can replace type theory with open sentences and a constructibility quantifier [Chihara, by Shapiro] |
10264 | Introduce a constructibility quantifiers (Cx)Φ - 'it is possible to construct an x such that Φ' [Chihara, by Shapiro] |
9389 | Vague membership of sets is possible if the set is defined by its concept, not its members [Rumfitt] |
20543 | 'Social justice' is a confused idea, and inequalities need no justification [Hayek, by Swift] |