apply (mul_le_mul_left (by norm_num : 0 < 2)).mp
α : Type u_1
inst✝¹ : Fintype α
inst✝ : DecidableEq α
M : MultiPart α
hA : M.A = univ
⊢ card (edgeFinset (mp M)) ≤ turanNumb M.t (Fintype.card α)
α : Type u_1
inst✝¹ : Fintype α
inst✝ : DecidableEq α
M : MultiPart α
hA : M.A = univ
⊢ 2 * card (edgeFinset (mp M)) ≤ 2 * turanNumb M.t (Fintype.card α)