The Law Of The Conservation Of Energy
Helmholtz's proof established mathematically what Kant had already, by
direct insight, advanced as an a priori fundamental axiom: that in any
given system the sum of energy can neither increase (impossibility of a
perpetuum mobile) nor diminish (there is no disappearance of energy, but
only transformation into another form). But even the vitalist had no need
to deny this proposition. The "energy" which is required for the work of