simp only [hw₁, mul_zero, tsub_zero] at hw₃
n d : ℕ
inst✝ : NeZero d
w w' : Weight n d
hw₁ : w 0 = 0
hw'₂ : balanced w'
hE : E w = E w'
h : w ≤ w'
j : Fin (Nat.succ n)
hw₃ : f w (tw n d j) = E w - (d - 1) * w 0 - w j
⊢ w' j ≤ w j
n d : ℕ
inst✝ : NeZero d
w w' : Weight n d
hw₁ : w 0 = 0
hw'₂ : balanced w'
hE : E w = E w'
h : w ≤ w'
j : Fin (Nat.succ n)
hw₃ : f w (tw n d j) = E w - w j
⊢ w' j ≤ w j