4 ideas
9355 | One sort of circularity presupposes a premise, the other presupposes a rule being used [Braithwaite, by Devitt] |
10121 | Contradiction is not a sign of falsity, nor lack of contradiction a sign of truth [Pascal] |
12712 | Substance is that which can act [Leibniz] |
12737 | Nature can be fully explained by final causes alone, or by efficient causes alone [Leibniz] |