Changes

Line 276: Line 276:  
f ~\text{is bijective}
 
f ~\text{is bijective}
 
& \iff &
 
& \iff &
f ~\text{is}~ 1\text{-regular at}~ y.
+
f ~\text{is}~ 1\text{-regular at}~ Y.
 
\end{array}</math>
 
\end{array}</math>
 
|}
 
|}
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