8 ideas
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
13163 | Circles must be bounded, so cannot be infinite [Leibniz] |
15119 | Aristotelian explanation by essence may need to draw on knowledge of other essences [Aristotle, by Koslicki] |
13162 | Sloth's Syllogism: either it can't happen, or it is inevitable without my effort [Leibniz] |
23302 | Plants have far less life than animals, but more life than other corporeal entities [Aristotle] |
23301 | There is a gradual proceeding from the inanimate to animals, with no clear borderlines [Aristotle] |
19339 | Evil is a negation of good, which arises from non-being [Leibniz] |
13164 | God only made sin possible because a much greater good can be derived from it [Leibniz] |