mathlib

ecf18c69 - refactor(field_theory/minimal_polynomial, *): make `aeval`, `is_integral`, and `minimal_polynomial` noncommutative (#4001)

refactor(field_theory/minimal_polynomial, *): make `aeval`, `is_integral`, and `minimal_polynomial` noncommutative (#4001) Makes `aeval`, `is_integral`, and `minimal_polynomial` compatible with noncommutative algebras Renames `eval₂_ring_hom_noncomm` to `eval₂_ring_hom'`