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Commit 2022-01-28 13:03 924aab15

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feat(ring_theory/polynomial/eisenstein): add miscellaneous results about Eisenstein polynomials (#11697) Miscellaneous results about Eisenstein polynomials From flt-regular.

Estimated changes

Created src/ring_theory/polynomial/eisenstein.lean

added theorem polynomial.is_eisenstein_at.coeff_mem

added theorem polynomial.is_eisenstein_at.irreducible

added theorem polynomial.is_eisenstein_at.is_weakly_eisenstein_at

added structure polynomial.is_eisenstein_at

added theorem polynomial.is_weakly_eisenstein_at.exists_mem_adjoin_mul_eq_pow_nat_degree

added theorem polynomial.is_weakly_eisenstein_at.exists_mem_adjoin_mul_eq_pow_nat_degree_le

added theorem polynomial.is_weakly_eisenstein_at.map

added theorem polynomial.is_weakly_eisenstein_at.pow_nat_degree_le_of_aeval_zero_of_monic_mem_map

added theorem polynomial.is_weakly_eisenstein_at.pow_nat_degree_le_of_root_of_monic_mem

added structure polynomial.is_weakly_eisenstein_at