Page:An Enquiry Concerning Human Understanding - Hume (1748).djvu/105

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ESSAY VI.

Of Probability[1].

Tho' there be no such Thing as Chance in the World; our Ignorance of the real Cause of any Event has the same Influence on the Understanding, and begets a like Species of Belief or Opinion.

There is certainly a Probability, which arises from a Superiority of Chances on any Side; and according as this Superiority encreases, and surpasses the opposite Chances, the Probability receives a proportionable Encrease, and begets still a higher Degree of Belief or Assent to that Side, in which we discover the Superi-ority.

  1. Mr. Locke divides all Arguments into demonstrative and probable. In this View, we must say, that 'tis only probable all Men must die or that the Sun will rise To-morrow. But to conform our Language more to common Use, we should divide Arguments into Demonstrations, Proofs, and Probabilities. By Proofs meaning such Arguments from Experience as leave no room for Doubt or Opposition.