The act of demonstrating; an exhibition; proof;
especially, proof beyond the possibility of doubt; indubitable
evidence, to the senses or reason.

An expression, as of the feelings, by outward signs;
a manifestation; a show.

The exhibition and explanation of a dissection or
other anatomical preparation.

(Mil.) a decisive exhibition of force, or a movement
indicating an attack.

The act of proving by the syllogistic process, or
the proof itself.

A course of reasoning showing that a certain result
is a necessary consequence of assumed premises; – these premises being
definitions, axioms, and previously established propositions.