Monad

• Monad (philosophy), a term meaning "unit" • Monism, the concept of "one essence" in the metaphysical and theological theory • Monad (Gnosticism), the most primal aspect of God in Gnosticism • Great Monad, an older name for the taijitu symbol • Monadologia Physica, by Immanuel Kant • La Monadologie, by Gottfried Leibniz, a book about a basic unit of perceptual reality • Monas Hieroglyphica, a 1564 book by John Dee describing a symbol of his own invention ==Mathematics, science and technology==

• Monad (biology), a historical term for a simple unicellular organism • Monad (category theory), a construction in category theory • Monad (functional programming), functional programming constructs that capture various notions of computation • Monad (homological algebra), a 3-term complex • Monad (nonstandard analysis), the set of points infinitesimally close to a given point • Monad shell, the code name for the PowerShell command line interface for Microsoft Windows ==Fictional entities==

• Monads, megastructures in Robert Silverberg's 1971 novel The World Inside • Monad Proxy, a character in the 2006 anime series Ergo Proxy • John Monad, the title character of the 2007 television series John from Cincinnati • Monad/Monado, a sword in the 2010 videogame Xenoblade Chronicles ==Other uses==

• Monad (music), a single note or pitch • Monad University, in Hapur, Uttar Pradesh, India • The emblem of the technocracy movement ==See also==