5 ideas
9355 | One sort of circularity presupposes a premise, the other presupposes a rule being used [Braithwaite, by Devitt] |
6408 | Russell needed three extra axioms to reduce maths to logic: infinity, choice and reducibility [Grayling] |
10414 | Abstract objects are constituted by encoded collections of properties [Zalta, by Swoyer] |
10415 | Properties make round squares and round triangles distinct, unlike exemplification [Zalta, by Swoyer] |
6414 | Two propositions might seem self-evident, but contradict one another [Grayling] |