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17895 | Combining two distinct assertions does not necessarily lead to a single 'complex proposition' [Mill] |
Full Idea: In 'Caesar is dead, and Brutus is alive' ...there are here two distinct assertions; and we might as well call a street a complex house, as these two propositions a complex proposition. | |
From: John Stuart Mill (System of Logic [1843], 1.04.3) | |
A reaction: Arthur Prior, in his article on 'tonk', cites this to claim that the mere account of the and-introduction rule does not guarantee the existence of any conjunctive proposition that can result from it. Mill says you are adding a third proposition. |