Definition

Aliquis definiverit vinciet – the act of apprehension whereby a term is commonly understood

The first of the 5 Common Topics –   Aliquis definit vincit.

Associated with the first act of reason, or simple apprehension.   A perception proceeds to form a thought, which in turn is abstracted into an idea, and finally denoted by a term.  Terms are the subjects of definition — De-finitio – a ‘bounded’ idea.

  • Who or What is X?
  • What kind of thing is X?
    • Formal or logical cause  (Comprehension, Connotation)
    • Genus and Species
  • What is X not?
  • What are the parts of X?
  • To What group does X belong?
  • What examples of the thing exist?  (Extension, Denotation)
  • Etymological definitions, the history of the word

Grammar includes vocabulary and the practical and theoretical sciences.

Material Logic sets forth the art of definition, division, categories, predication and causes.