4 ideas
21757 | Philosophy is the conceptual essence of the shape of history [Hegel] |
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] |
7946 | The memory criterion has a problem when one thing branches into two things [Williams,B, by Macdonald,C] |