Trichotomy

From Wikipedia, the free encyclopedia
Jump to: navigation, search

A trichotomy is a splitting into three parts, and, apart from its normal literal meaning, can refer to:

  • trichotomy (mathematics), in the mathematical field of order theory
  • trichotomy (philosophy), for the theological idea that man has a threefold nature; also for a three-way classificatory division, especially when done according to a pattern
  • In taxonomy, a trichotomy is speciation of three groups from a common ancestor, where it is unclear or unknown in what chronological order the three groups split.

See also[edit]