4 ideas
12733 | Because of the definitions of cause, effect and power, cause and effect have the same power [Leibniz] |
12887 | A whole must have one characteristic, an internal relation, and a structure [Rescher/Oppenheim] |
12734 | Every necessary proposition is demonstrable to someone who understands [Leibniz] |
19087 | The meaning or purport of a symbol is all the rational conduct it would lead to [Peirce] |