View source for Substitution

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'''Substitution''' may refer to:

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==Arts and media==
*[[Substitution (poetry)]], a variation in poetic scansion
*[[Substitution (theatre)]], an acting methodology

===Music===
*[[Chord substitution]], swapping one chord for a related one within a chord progression
*[[Tritone substitution]], reinterpreting a chord via a new root note located an augmented fourth or diminished fifth distant from the root of the original interpretation
*[[Substitution (Silversun Pickups song)|"Substitution" (Silversun Pickups song)]], a 2009 song by Silversun Pickups
*[[Substitution (Purple Disco Machine and Kungs song)|"Substitution" (Purple Disco Machine and Kungs song)]], a 2023 song by [[Purple Disco Machine]] and [[Kungs]]

==Science and mathematics==
===Biology and chemistry===
*[[Base-pair substitution]] or point mutation, a type of mutation
*[[Substitution reaction]], where a functional group in a chemical compound is replaced by another group
**[[Substituent]], the atom or atoms that replaces those of the reactant
*Substitution, a process in which an allele arises and undergoes [[fixation (population genetics)|fixation]]

===Mathematics and computing===
*[[Substitution (algebra)]], replacing occurrences of some symbol by a given value
*[[Substitution (logic)]], a syntactic transformation on strings of symbols of a formal language
*[[String substitution]], a mapping of letters in an alphabet to languages
* Substitution of a character in a string, one of the single-character edits used to define the [[Levenshtein distance]]
*[[Substitution cipher]], a method of encryption
*[[Integration by substitution]], a method for finding antiderivatives and integrals

===Other uses in science===
*[[Substitution (economics)]], switching between alternative consumable goods as their relative prices change
*[[Attribute substitution]], a psychological process thought to underlie a number of cognitive biases and perceptual illusions
*[[Substitution method]], a method of measuring the transmission loss of an optical fiber

==Other uses==
*[[Substitution (law)]], the replacement of a judge
*[[Substitution (sport)]], where a sports team is able to change one player for another during a match
*[[Substitution therapy]] or opiate replacement therapy
*[[Import substitution industrialization]], a trade and economic policy
*[[Penal substitution]], a theory of the atonement within Christian theology
*[[Simultaneous substitution]], a practice requiring Canadian television distribution companies to substitute a non-local station signal with the local signal

==Within Wikipedia==
*[[Help:Substitution]], help performing substitution on Wikipedia pages
*[[Special:ExpandTemplates]], page that shows what will result from substitution
*[[Wikipedia:Substitution]], where, when, how, and what about using substitution on Wikipedia

==See also==
*[[Substitute (disambiguation)]]


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