Full Idea
Kant says that we can judge one event to cause another if we can relate the two events to one another by some law of nature.
Gist of Idea
We judge causation by relating events together by some law of nature
Source
report of Immanuel Kant (Critique of Pure Reason [1781]) by Edwin D. Mares - A Priori 07.3
Book Reference
Mares,Edwin: 'A Priori' [Acumen 2011], p.109
A Reaction
I take this to have got things exactly the wrong way round, since it leaves no notion of the foundations of the laws being used to do the explaining. The laws have to be primitive or supernatural.