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Rule magic can sometimes be Sufficiently Analyzed to the point that a standardized system of Formulaic Magic is developed to allow precision construction of complex spells akin to computer programs. This form is heavily dependent on The Laws of Magic or the author's own custom-made limitations. This is, however, usually just one rule in a larger system. This variety is where you find things like the "Law of Contagion" - that is, if you have a piece of the target, you can affect it from afar since it's still part of a "whole", even if it's miles or kilometers distant. Vancian Magic is a completely fictional example. Real-world examples include Wicca, Hermeticism, Kabbalah, and Onmyōdō. Most "study spells and say words of power" magic systems seen in fantasy literature, films, and TV shows are Rule Magic. Rule Magic: An underlying magical rule system lets users alter reality for example, the use of "True Names", Sympathetic Magic, or Ritual Magic.
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