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ehrenfest
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[SOLVED] munkres lemma 81.1
Please stop reading this if you do not have Munkres.
The statement of this lemma implies that pi_1(B,b_0)/H_0 is a group. That does not make sense to me because H_0 is not necessarily normal in pi_1(B,b_0).
Homework Statement
Please stop reading this if you do not have Munkres.
The statement of this lemma implies that pi_1(B,b_0)/H_0 is a group. That does not make sense to me because H_0 is not necessarily normal in pi_1(B,b_0).