4 ideas
8460 | Philosophers have given precise senses to deduction, probability, computability etc [Quine/Ullian] |
12733 | Because of the definitions of cause, effect and power, cause and effect have the same power [Leibniz] |
12734 | Every necessary proposition is demonstrable to someone who understands [Leibniz] |
3102 | Why don't we experience or remember going to sleep at night? [Magee] |