\\(\def\cat#1{{\mathcal{#1}}}\\) \\(\def\Cat#1{{\textbf{#1}}}\\)
In order for \\(\Cat{1}\\) to be a monoidal unit, there are supposed to be isomorphisms \\(\cat{X}\times\Cat{1}\to\cat{X}\\) and \\(\Cat{1}\times\cat{X}\to\cat{X}\\), for any \\(\cat{V}\\)-category \\(\cat{X}\\). What are they?