Recursion
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| - | '''Mise en abyme''' (also ''mise en abîme'') has several meanings in the realm of the creative arts and literary theory. The term is originally from the [[French language|French]] and means, "placing into infinity" or "placing into the abyss". The commonplace usage of this phrase is describing the visual experience of standing between two mirrors, seeing an infinite reproduction of one's image. | ||
| - | In [[Western art]] "mise en abyme" is a formal technique in which an image contains a smaller copy of itself, the sequence appearing to recur infinitely. The term originated in [[heraldry]], describing a [[coat of arms]] that appears as a smaller shield in the center of a larger one. See [[Droste effect]]. | + | '''Recursion''', in [[mathematics]] and [[computer science]], is a method of defining [[Function (mathematics)|functions]] in which the function being defined is applied within its own definition. The term is also used more generally to describe a process of repeating objects in a self-similar way. For instance, when the surfaces of two mirrors are exactly parallel with each other the nested images that occur are a form of infinite recursion. |
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| - | In [[film]], the meaning of "mise en abyme" is similar to the artistic definition, but also includes the idea of a "dream within a dream". For example, a character awakens from a dream and later discovers that he or she is [[false awakening|still dreaming]]. Activities similar to dreaming, such as unconsciousness and virtual reality, are also described as "mise en abyme". This is seen in the film ''[[eXistenZ]]'' where the two protagonists never truly know whether or not they are out of the game. | + | |
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| - | In [[literary criticism]], "mise en abyme" is a type of [[frame story]], in which the main narrative can be used to encapsulate some aspect of the framing story. The term is used in [[deconstruction]] and deconstructive literary criticism as a paradigm of the [[intertextual]] nature of language--that is, of the way language never quite reaches the foundation of reality because it refers in a frame-within-a-frame way to other language, which refers to other language, et cetera. | + | |
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| - | The ability of computers to so repeat a task has led to modern forms of this technique: screen savers that fly through space forever, looping and churning tunnels, or unique images such as a commonly-linked animation of [[David Hasselhoff]]. | + | |
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| - | ==See also== | + | |
| - | * [[Gödel, Escher, Bach]] | + | |
| - | * [[Recursion]] | + | |
| - | * [[Story within a story]] | + | |
| - | * [[Macbeth (1971 film)]] | + | |
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Recursion, in mathematics and computer science, is a method of defining functions in which the function being defined is applied within its own definition. The term is also used more generally to describe a process of repeating objects in a self-similar way. For instance, when the surfaces of two mirrors are exactly parallel with each other the nested images that occur are a form of infinite recursion.
Unless indicated otherwise, the text in this article is either based on Wikipedia article "Recursion" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on research by Jahsonic and friends. See Art and Popular Culture's copyright notice.
