This page doesn't disambiguate between "left inverse" and "inverse". Strictly an "inverse" is a two-sided inverse, so gf = 1 and fg = 1.
by Patrick Stevens Jun 24 2016
This page doesn't disambiguate between "left inverse" and "inverse". Strictly an "inverse" is a two-sided inverse, so gf = 1 and fg = 1.
Comments
Michael Cohen
Good point!