Definition:Left inverse

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(<math>1) </math>2 | <math>3 (</math>4) | <math>5 (</math>6)
Definition: Left inverse
Given a function [math]f : A \href{/cs2800/wiki/index.php/%E2%86%92}{→} B [/math], a left inverse [math]g [/math] of [math]f [/math] is a function [math]g : B \href{/cs2800/wiki/index.php/%E2%86%92}{→} A [/math] satisfying [math]g \href{/cs2800/wiki/index.php/%5Ccirc}{\circ} f \href{/cs2800/wiki/index.php/Equality_(functions)}{=} \href{/cs2800/wiki/index.php?title=Id&action=edit&redlink=1}{id} [/math].