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Commit 2021-06-03 07:38 adae1adf

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feat(order/filter/archimedean): in an archimedean linear ordered ring, at_top and at_bot are countably generated (#7751)

Estimated changes

Modified src/order/filter/archimedean.lean

added theorem at_bot_countable_basis_of_archimedean

added theorem at_bot_countably_generated

added theorem at_top_countable_basis_of_archimedean

added theorem at_top_countably_generated_of_archimedean