Substitution

In general, substitution is the replacement of one thing with another. There are many specific examples:

substitution In organic chemistry,
The substitution cipher in cryptography.
The substitution rule in calculus.
Import substitution in trade.
Substitute good in consumer theory.
The substitution method in the testing of optical fiber.
The substitution property of equality in mathematics.
Chord substitution in music.
substitution in acting methodology

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Substitution

See also: Substitution, Calculus, Chord substitution, Consumer theory, Cryptography, Import substitution, Mathematics, Music, Optical fiber