3 ideas
9217 | Modern empirical metaphysics focuses on ontological commitments of discourse, or on presuppositions [Loux/Zimmerman] |
17699 | Variables are auxiliary notions, and not part of the 'eternal' essence of logic [Schönfinkel] |
12887 | A whole must have one characteristic, an internal relation, and a structure [Rescher/Oppenheim] |