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Commit 2022-01-16 22:07 ed57bdd3

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feat(number_field): notation for 𝓞 K, an algebra & ∈ 𝓞 K iff (#11476) From flt-regular.

Estimated changes

Modified src/number_theory/number_field.lean

added theorem number_field.mem_ring_of_integers

modified theorem number_field.ring_of_integers.is_integral_coe