I have observed, indeed, generally, that while in protestant countries the defections from the Platonic Christianity of the priests is to Deism, in catholic countries they are to Atheism. Diderot, D’Alembert, D’Holbach, Condorcet, are known...

Accordingly, we find Euler and D’Alembert devoting their talent and their patience to the establishment of the laws of rotation of the solid bodies. Lagrange has incorporated his own analysis of the problem with his...

As is well known the principle of virtual velocities transforms all statics into a mathematical assignment, and by D’Alembert’s principle for dynamics, the latter is again reduced to statics. Although it is is very much...