$\Newextarrow{\xRightarrow}{5,5}{0x21D2}$ $\newcommand\empty{}$

Comments on Proposition

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Comment #1549 by Claudius Heyer on

In the proof of (1), in the sentence starting with “Then can be lifted uniquely...” there are two typos: should be and should be .

Also, it seems that should be an isomorphism of the form ?

Comment #1550 by Claudius Heyer on

In the first line in the proof of (3), it should be “deformation retract of ”.

Comment #1560 by Kerodon on

Yep, thanks!

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