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Theorem counterexample.sorgenfrey_line.is_open_iff

Modification history

2023-05-30 23:18
counterexamples/sorgenfrey_line.lean
chore(archive + counterexamples): namespaces imo, theorems_100, counterexample, plus three more (#19129) …
Added counterexample.sorgenfrey_line.is_open_iffView on Github →