3 ideas
6558 | A foolish consistency is the hobgoblin of little minds [Emerson] |
3299 | In logic identity involves reflexivity (x=x), symmetry (if x=y, then y=x) and transitivity (if x=y and y=z, then x=z) [Baillie] |
10245 | One geometry cannot be more true than another [Poincaré] |