<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\xymatrix{
	\cat{0} \ar[rr] \arcof[dr] &amp;                     &amp; X \\
	                           &amp; X^{cof} \artfib[ur] &amp;
}
\qquad
\xymatrix{
	X \ar[rr] \artcof[dr] &amp;                    &amp; \cat{1} \\
	                      &amp; X^{fib} \arfib[ur] &amp;
}
</pre></body></html>