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12551 | We are satisfied that other men have minds, from their words and actions [Locke] |
Full Idea: That there are minds and thinking beings in other men as well as himself, every man has a reason, from their words and actions, to be satisfied. | |
From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 4.03.27) | |
A reaction: Locke is aware of the question of other minds, but is rather easily fobbed off with an answer. He hadn't thought enough about good robots, for all his imagination, and Descartes' mention of them. |
1875 | Dogs show reason in decisions made by elimination [Chrysippus, by Sext.Empiricus] |
Full Idea: A dog makes use of the fifth complex indemonstrable syllogism when, arriving at a spot where three ways meet, after smelling at two roads by which the quarry did not pass, he rushes off at once by the third without pausing to smell. | |
From: report of Chrysippus (fragments/reports [c.240 BCE]) by Sextus Empiricus - Outlines of Pyrrhonism I.69 | |
A reaction: As we might say: either A or B or C; not A; not B; therefore C. I wouldn't want to trust this observation without a lot of analysis of slow-motion photography of dogs as crossroads. Even so, it is a nice challenge to Descartes' view of animals. |
12483 | Unlike humans, animals cannot entertain general ideas [Locke] |
Full Idea: The having of general ideas is that which puts a perfect distinction betwixt man and brutes. | |
From: John Locke (Essay Conc Human Understanding (2nd Ed) [1694], 2.11.10) | |
A reaction: Animals were massively underestimated before the twentieth century. Animals must recognise types of things, as well as individual things. They must register that an individual animal is a dangerous or tasty species. Locke grants them 'some reason'. |