Monad

Monad may refer to:

Philosophy

• Monad (philosophy) a term meaning "unit" used variously by ancient philosophers from the Pythagoreans to Plato, Aristotle, and Plotinus to signify a variety of entities from a genus to God.
• Monism, the concept of "one essence" in the metaphysical and theological theory
• Monad (Gnosticism), the most primal aspect of God in Gnosticism
• Monadology, a book of philosophy by Gottfried Leibniz in which monads are a basic unit of perceptual reality
• Monadologia Physica by Immanuel Kant
• The Cup or Monad, a text in the Corpus Hermetica

Mathematics and computer science

• Monad (category theory), a construction in category theory
• Monad (functional programming), functional programming constructs that capture various notions of computation
• Monad (non-standard analysis), describes the set of points infinitely close to a given point.

Music

• Monad (music), a single note, in contradistinction to a dyad, triad, tetrad, etc.

Biology

• a term for simple unicellular organisms

Proper names and popular culture

• Windows PowerShell, a command line interface for Microsoft Windows code-named "Monad"
• Xmonad, a window manager for the X Window System
• John Monad, title character of the television series John from Cincinnati
• Monad Proxy, a character in the anime series Ergo Proxy
• In the novel The World Inside by Robert Silverberg, almost a hundred billion humans live in megastructure skyscrapers called monads

Theosophy

• The Monad is the combination of the last two principles in man, the 6th and the 7th. Properly speaking, the term "individual monad" applies to the dual soul (Atmi-Buddhi), not to its highest spiritual vivifying principle.

See also

• All pages beginning with "Monad", for titles starting "Monad" or "Monadic"
• All pages with titles containing "Monad"
• All pages with titles containing "Monadic"