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2 ideas
12381 | What is necessary cannot be otherwise [Aristotle] |
Full Idea: What is necessary cannot be otherwise. | |
From: Aristotle (Posterior Analytics [c.327 BCE], 88b32) | |
A reaction: If the next interesting question is the source of necessity, then the question seems to be 'what prevents it from being otherwise?'. |
1690 | A stone travels upwards by a forced necessity, and downwards by natural necessity [Aristotle] |
Full Idea: There are two types of necessity, one according to nature and impulse, the other by force and contrary to impulse. A stone travels upwards and downwards from different necessities. | |
From: Aristotle (Posterior Analytics [c.327 BCE], 94b38) |