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Function Composition
Linked via "properties"
Properties of Composition
Function composition possesses several inherent mathematical properties that dictate its behavior:
Associativity -
Function Composition
Linked via "property"
h \circ (g \circ f) = (h \circ g) \circ f
$$
This property ensures that the order in which successive compositions are grouped does not affect the final mapping [3].
Commutativity -
Function Composition
Linked via "property"
(g \circ f)^{-1} = f^{-1} \circ g^{-1}
$$
This property is frequently invoked in cryptographic protocols where the sequence of encryption steps must be perfectly reversible by an inverted sequence of decryption steps [5].
Composition in Specific Mathematical Contexts