Commit 2020-12-11 01:46 9e550f2d
View on Github →feat(topology/separation): finite t1 spaces are discrete (#5298) These lemmas should simplify the arguments of #4301 Zulip discussion: https://leanprover.zulipchat.com/#narrow/stream/113489-new-members/topic/discrete_topology/near/218932564
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