\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{-->}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{-->}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{..>}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{..>}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{~>}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{~>}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{->>}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{->>}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{-->>}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{-->>}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{>->>}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{>->>}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{_{(}->}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{_{(}->}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{^{(}->}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{^{(}->}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{|-|}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{|-|}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@2[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@2[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@3[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@3[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@_{->}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@_{->}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@^{->}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@^{->}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@^{>>->>}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@^{>>->>}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{^{<}-_{>}}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{^{<}-_{>}}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@2{--}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@2{--}[r] & \ }
+$
\end_inset
\end_layout
\begin_layout Standard
-\begin_inset Formula \xymatrix{ U \ar[ddr] \ar[drr] \ar[dr]\\
+\begin_inset Formula $\xymatrix{ U \ar[ddr] \ar[drr] \ar[dr]\\
& X \times_{Z} Y \ar[d] \ar[r] & X \ar[d]\\
& Y \ar[r] & Z
}
-
+$
\end_inset
\end_layout
\begin_layout LyX-Code
-\begin_inset Formula \xymatrix{ U \ar[ddr]_{\psi}\ar[drr]^{\varphi}\ar[dr]|-{(x,y)}\\
+\begin_inset Formula $\xymatrix{ U \ar[ddr]_{\psi}\ar[drr]^{\varphi}\ar[dr]|-{(x,y)}\\
& X \times_{Z} Y \ar[d]^{q} \ar[r]_{p} & X \ar[d]_{f}\\
& Y \ar[r]^{g} & Z
}
-
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{-->}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{-->}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{..>}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{..>}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{~>}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{~>}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{->>}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{->>}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{-->>}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{-->>}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{>->>}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{>->>}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{_{(}->}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{_{(}->}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{^{(}->}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{^{(}->}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{|-|}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{|-|}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@2[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@2[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@3[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@3[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@_{->}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@_{->}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@^{->}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@^{->}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@^{>>->>}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@^{>>->>}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@{^{<}-_{>}}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@{^{<}-_{>}}[r] & \ }
+$
\end_inset
\begin_inset Text
\begin_layout Plain Layout
-\begin_inset Formula \xymatrix{\ \ar@2{--}[r] & \ }
-
+\begin_inset Formula $\xymatrix{\ \ar@2{--}[r] & \ }
+$
\end_inset