Definify.com
Webster 1913 Edition
Identical
1.
The same; the selfsame; the very same; not different;
as, the
. identical
person or thingI can not remember a thing that happened a year ago, without a conviction . . . that I, the same
identical
person who now remember that event, did then exist. Reid.
2.
Uttering sameness or the same truth; expressing in the predicate what is given, or obviously implied, in the subject; tautological.
When you say body is solid, I say that you make an
identical
proposition, because it is impossible to have the idea of body without that of solidity. Fleming.
Identical equation
(Alg.)
, an equation which is true for all values of the algebraic symbols which enter into it.