Review of O. Gregory's Treatise on Mechanics. 7% 
ception even by mathematicians, and wholly unintelligible 
to. rs. Such are all those pretended demonstrations 
by the differential calculus, generally used by the continen- 
tal mathematicians of Europe, and now wit j 
attempted to be introduced among the English population 
throughout the world. To us there appears as much of 
sanity in this new fangled mathematics for demonstrations, 
as in endeavouring to lay the foundation of a structure.at its 
top, or to prove obvious truths by deductions from those 
which are the most remote and recondite. It was against 
