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laika at Mar 16, 2018 02:06 PM

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Logic 39

nature of argument. Namely, Aristotle argues that there must be certain first principles science because every scientific demonstration reposes upon a general principle as a premiss. If this premiss be scientifically demonstrated in its turn that demonstration must again have been based upon general principle as its premiss. Now there must have been a beginnning od the process and therefore a first demonstration reposing upon an indemonstrable mremiss. This is an argument like the Achilles and Tortoise argument of eno except that instead of going forward in time it goes backwards. If we were to admit that the process of thought in the mind is reallt composed of distinct parts corresponding to the arguments of the logical representations of it each requiring a distinct effort of thought then indeed we should have to admit Aristotle reasoning unless we were prepared to admit that a endless series of

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