10 ideas
5035 | The two basics of reasoning are contradiction and sufficient reason [Leibniz] |
13768 | Validity can preserve certainty in mathematics, but conditionals about contingents are another matter [Edgington] |
13770 | There are many different conditional mental states, and different conditional speech acts [Edgington] |
13764 | Are conditionals truth-functional - do the truth values of A and B determine the truth value of 'If A, B'? [Edgington] |
13765 | 'If A,B' must entail ¬(A & ¬B); otherwise we could have A true, B false, and If A,B true, invalidating modus ponens [Edgington] |
5038 | Assume that mind and body follow their own laws, but God has harmonised them [Leibniz] |
13550 | To be always happy is to lack knowledge of one half of nature [Seneca] |
13549 | Nothing bad can happen to a good man [Seneca] |
13548 | The ocean changes in volume in proportion to the attraction of the moon [Seneca] |
5037 | God doesn't decide that Adam will sin, but that sinful Adam's existence is to be preferred [Leibniz] |