intro a
n✝ n : ℕ
inst✝ : NeZero n
w : Weight n 1
hw : w 0 = 0
⊢ ∀ (a : ↑(testvecs n 1)), E (w1 n) - pair (w1 n) ↑a ≤ E w - pair w ↑a
n✝ n : ℕ
inst✝ : NeZero n
w : Weight n 1
hw : w 0 = 0
a : ↑(testvecs n 1)
⊢ E (w1 n) - pair (w1 n) ↑a ≤ E w - pair w ↑a