An ideal example of something; a quintessence.
A character, object, or story that is based on a known character, object, or story.
A protograph (“original manuscript of a text from which all further copies derive”).
An original model of which all other similar concepts, objects, or persons are merely copied, derivative, emulated, or patterned; a prototype.
According to Swiss psychologist Carl Jung: a universal pattern of thought, present in an individual's unconscious, inherited from the past collective experience of humanity.
To depict as, model using, or otherwise associate an object or subject with an archetype.
That which is normal or typical.
if v ne 0 then |v| ne 0;
A high level of performance in a chess tournament, several of which are required for a player to receive a title.
A rule that is imposed by regulations and/or socially enforced by members of a community.
A sentence with non-descriptive meaning, such as a command, permission, or prohibition.
given a scalar k, |kv|=|k|·|v|, where |k| is the absolute value of k;
given two vectors v,w, |v+w|<|v|+|w| (the triangle inequality).
To endow (a vector space, etc.) with a norm.