So that the logical form of these sentences is, _Hypocrites are not lovers of virtue_; _Traitors are the vilest of mankind_.

Impersonal propositions, such as _It rains_, are easily rendered into logical forms of equivalent meaning, thus: _Rain is falling_; or (if that be tautology), _The clouds are raining_.

Exclamations may seem capricious, but are often part of the argument.

_Shade of Chatham!_ usually means _Chatham, being aware of our present foreign policy, is much disgusted_.

It is in fact, an appeal to authority, without the inconvenience of stating what exactly it is that the authority declares.
Sec.2.But even sentences indicative may not be expressed in the way most convenient to logicians.