EVIDENCE OF UNIVERSAL CAUSATION. 119 



hitherto observed, to the same result. But the general 

 law of causation would remain unaffected by any such 

 error. The law of cause and effect is therefore, not 

 without reason, placed, in point of certainty, at the 

 head of all our inductions ; on a level with the first 

 principles of mathematics, which rest, as we shall see 

 presently, upon much the same species of induction as 

 itself. 



