3 ideas
9138 | An infinite series of sentences asserting falsehood produces the paradox without self-reference [Yablo, by Sorensen] |
13083 | The essence is the necessary properties, and the concept includes what is contingent [Leibniz] |
4422 | The end need not be the goal, as in the playing of a melody (and yet it must be completed) [Nietzsche] |