Transposition

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Transposition may mean:

Transposition (music), moving a note or collection of notes up or down in pitch by a constant interval
Transposition (mathematics), a permutation which exchanges two elements and keeps all others fixed
Transposition (logic), a rule of inference
Transposition (cryptography), an elementary cryptographic operation
Transposition (genetics), a mutation in which a chromosomal segment is transferred to a new position on the same or another chromosome
Transposition table, used in computer games to speed up the search of the game tree
Transposition (telecommunications)