\documentclass[tikz]{standalone}
\usetikzlibrary{arrows, cd}

\begin{document}

\begin{tikzcd}
	& \mathbf{B} \ar[dr,dashed,"R"] \ar[d,Rightarrow,"\epsilon",shorten=5pt] & \\
	\mathbf{A} \ar[ur,"F"] \ar[rr,"X"'] & {} & \mathbf{C}
\end{tikzcd}

\begin{tikzcd}
	& RF \ar[dl,"\epsilon"'] & \\
	X & & MF \ar[ll,"\mu"] \ar[ul,dashed,"\delta_F"']
\end{tikzcd}

\begin{tikzcd}
	& \mathbf{B} \ar[dr,dashed,"L"] & \\
	\mathbf{A} \ar[ur,"F"] \ar[rr,"X"'] & {} \ar[u,Rightarrow,"\eta"', shorten=5pt] & \mathbf{C}
\end{tikzcd}

\begin{tikzcd}
	& LF \ar[dr,dashed,"\sigma_F"] & \\
	X \ar[ur,"\eta"] \ar[rr,"\alpha"'] & & MF
\end{tikzcd}

\end{document}