Talk:General Topology/Bases

Proposition (basis of the initial topology):
In the formula, it is written $$U_1,\ldots U_n\in \tau_{\alpha}$$. I think that it should be $$U_k\in \tau_{\alpha_k}$$.

Laurent.Claessens (discuss • contribs) 05:27, 6 December 2023 (UTC)