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Theorems · Theorem · number theory

Nat.mem_properDivisors

∀ {n m : ℕ}, n ∈ m.properDivisors ↔ n ∣ m ∧ n < m
Defined in
Mathlib.NumberTheory.Divisors
Cited by
15 results in Mathlib
Foundations
Depth 62 from the axioms · uses propext, Classical.choice, Quot.sound

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Polynomial.cyclotomic_eq_prod_X_sub_primitiveRoots · cited by 5Polynomial.cyclotomic_eq_…Nat.one_mem_properDivisors_iff_one_lt · cited by 4Nat.one_mem_properDivisor…Polynomial.cyclotomic_coeff_zero · cited by 3Polynomial.cyclotomic_coe…Polynomial.int_coeff_of_cyclotomic' · cited by 3Polynomial.int_coeff_of_c…Nat.mem_properDivisors_prime_pow · cited by 1Nat.mem_properDivisors_pr…Nat.divisors_subset_properDivisors · cited by 1Nat.divisors_subset_prope…Polynomial.cyclotomic_pos · cited by 1Polynomial.cyclotomic_posNat.properDivisors_eq_singleton_one_iff_prime · cited by 1Nat.properDivisors_eq_sin…Nat.one_lt_div_of_mem_properDivisors · cited by 1Nat.one_lt_div_of_mem_pro…Nat.one_lt_of_mem_properDivisors · cited by 1Nat.one_lt_of_mem_properD…Nat.mem_properDivisors_iff_exists · cited by 0Nat.mem_properDivisors_if…Polynomial.X_pow_sub_one_mul_cyclotomic_dvd_X_pow_sub_one_of_dvd · cited by 0Polynomial.X_pow_sub_one_…Nat.coe_properDivisors_eq_prod_pow_lt_factorization · cited by 0Nat.coe_properDivisors_eq…Nat.sum_properDivisors_dvd · cited by 0Nat.sum_properDivisors_dvdPolynomial.X_pow_sub_one_dvd_prod_cyclotomic · cited by 0Polynomial.X_pow_sub_one_…Finset · cited by 13712Finseteq_or_ne · cited by 1117eq_or_neFinset.Ico · cited by 450Finset.IcoFinset.filter_congr · cited by 167Finset.filter_congrNat.properDivisors · cited by 52Nat.properDivisorsFinset.Ico_eq_empty_of_le · cited by 22Finset.Ico_eq_empty_of_leFinset.filter_true · cited by 14Finset.filter_trueNat.filter_dvd_eq_properDivisors · cited by 1Nat.filter_dvd_eq_properD…Nat.mem_properDivisorsCITED BYCITES

Cites8

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by15

Results whose statement or proof uses this declaration.