Page:A philosophical essay on probabilities Tr. Truscott, Emory 1902.djvu/62

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A PHILOSOPHICAL ESSAY ON PROBABILITIES.

functions extends the Cartesian notations to some of its characters; it shows with proof the analogy of the powers and operations indicated by these characters; so that it may still be regarded as the exponential calculus of characters. All that concerns the series and the integration of equations of differences springs from it with an extreme facility.