Find the homotopy fibre of the map $\pi : X \vee Y \rightarrow X$ given that $\pi ( X, *) = X$ and $\pi ( *, Y) = *$, I was given a hint to use the second cube theorem but I do not know how to build the squares, could anyone help me please?
2026-03-25 01:18:08.1774401488
Find the homotopy fibre of the map $\pi$
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