IDENTITY
the fact of being who or what a person or thing is
a close similarity or affinity
a transformation that leaves an object unchanged.
the equality of two expressions for all values of the quantities expressed by letters, or an equation expressing this, e.g. (x + 1)² = x² + 2x + 1.
a close similarity or affinity
a transformation that leaves an object unchanged.
the equality of two expressions for all values of the quantities expressed by letters, or an equation expressing this, e.g. (x + 1)² = x² + 2x + 1.