In "Of Liberty and Necessity", the author advances the compatiblist doctrine of free will, while the work begins by drawing the distinction between ideas and impressions.
Section VI, "Of Probability" argues that there is a concept of probability as distinct from that of Chance, which the author attributes to an ignorance of causes.  In "Of Liberty and Necessity", the author advances the compatiblist doctrine of free will, while the work begins by drawing the distinction between ideas and impressions. Containing tangential sections on the analogy between human and animal reason as well as a refutation of divine force in the world,"Of Miracles", this is FTP, what 1748 work,  a shorter version of the author's Treatise of Human Nature, written by David Hume.
Section VI, "Of Probability" argues that there is a concept of probability as distinct from that of Chance, which the author attributes to an ignorance of causes.  
An Enquiry Concerning Human Understanding