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De - Pt| Proverbs, aphorisms, quotations (English) | by Linux fortune |
| The evidence of the emotions, save in cases where it has strong objective support, is really no evidence at all, for every recognizable emotion has its opposite, and if one points one way then another points the other way. Thus the familiar argument that there is an instinctive desire for immortality, and that this desire proves it to be a fact, becomes puerile when it is recalled that there is also a powerful and widespread fear of annihilation, and that this fear, on the same principle proves that there is nothing beyond the grave. Such childish "proofs" are typically theological, and they remain theological even when they are adduced by men who like to flatter themselves by believing that they are scientific gents.... - H. L. Mencken | |
| HOW TO PROVE IT, PART 5 proof by accumulated evidence: Long and diligent search has not revealed a counterexample. proof by cosmology: The negation of the proposition is unimaginable or meaningless. Popular for proofs of the existence of God. proof by mutual reference: In reference A, Theorem 5 is said to follow from Theorem 3 in reference B, which is shown to follow from Corollary 6.2 in reference C, which is an easy consequence of Theorem 5 in reference A. proof by metaproof: A method is given to construct the desired proof. The correctness of the method is proved by any of these techniques. | |
