Page:A philosophical essay on probabilities Tr. Truscott, Emory 1902.djvu/116

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A PHILOSOPHICAL ESSAY ON PROBABILITIES.

employed in the speculative sciences. Thus in order to recognize the best of the treatments in use in the healing of a malady, it is sufficient to test each of them on an equal number of patients, making all the conditions exactly similar; the superiority of the most advantageous treatment will manifest itself more and more in the measure that the number is increased; and the calculation will make apparent the corresponding probability of its advantage and the ratio according to which it is superior to the others.