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Theorem
eq_singleton_bot_of_Sup_eq_bot_of_nonempty
Modification history
2021-01-04 05:36
src/order/complete_lattice.lean
feat(data/*, order/*) supporting lemmas for characterising well-founded complete lattices (#5446)
Added
eq_singleton_bot_of_Sup_eq_bot_of_nonempty
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