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Theorem at_top_countably_generated_of_archimedean

Modification history

2021-10-23 17:11
src/order/filter/archimedean.lean
refactor(order/filter/bases): turn `is_countably_generated` into a class (#9838) …
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2021-06-03 07:38
src/order/filter/archimedean.lean
feat(order/filter/archimedean): in an archimedean linear ordered ring, `at_top` and `at_bot` are countably generated (#7751)
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