4 ideas
19389 | Truth is a characteristic of possible thoughts [Leibniz] |
19388 | True and false seem to pertain to thoughts, yet unthought propositions seem to be true or false [Leibniz] |
19399 | Prime matter is nothing when it is at rest [Leibniz] |
1422 | God's existence is either necessary or impossible, and no one has shown that the concept of God is contradictory [Malcolm] |