PROOF 118
Prove.
Why a function must have exactly one output
On sets and correspondences.
Definition D1
A relation from a set X to Y is a subset of X × Y, that is, a collection of ordered pairs (a, b).
Proof.
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PROOF 118
Why a function must have exactly one output
On sets and correspondences.
Definition D1
A relation from a set X to Y is a subset of X × Y, that is, a collection of ordered pairs (a, b).
Proof.
Related labs