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Commit 2022-01-28 15:19 36dd6a66

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feat(algebra/squarefree): squarefree iff no square irreducible divisors (#11544)

Estimated changes

Modified src/algebra/squarefree.lean

added theorem irreducible_sq_not_dvd_iff_eq_zero_and_no_irreducibles_or_squarefree

added theorem nat.squarefree_iff_prime_sq_not_dvd

added theorem squarefree_iff_irreducible_sq_not_dvd_of_exists_irreducible

added theorem squarefree_iff_irreducible_sq_not_dvd_of_ne_zero