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4 ideas
21249 | Some things are self-evident to us; others are only self-evident in themselves [Aquinas] |
21250 | A proposition is self-evident if the predicate is included in the essence of the subject [Aquinas] |
2615 | The concept of sense-data allows us to discuss appearances without worrying about reality [Ayer] |
20224 | Sensation prepares the way for intellectual knowledge, which needs the virtues of reason [Aquinas] |