In algebraic topology, it is a theorem of Stasheff that every A-$\infty$ space has the homotopy type of a loop space. > <b> Question:</b> Is this true in homotopy type theory? Let me be a little more precise. Let $X$ be a type. Assume that we have $e : X$ and $ m : X \times X \to X$ together with the following data: - $ a : \prod_{x,y,z:X} m(x,m(y,z)) = m(m(x,y),z) $ - $l : \prod_{x : X} m(e,x) = x$ - $r : \prod_{x : X} m(x,e) = x$ Can we find a type $Y$ such that $ X $ is equivalent to $ \Omega Y$?