Ha, buni Lean 4-da geometriya va aritmetikaning asosiy tushunchalaridan foydalangan holda isbotlash mumkin. Lean 4-da ushbu tenglikni bir oz geometriya yordamida isbotlash uchun quyidagicha yondashish kerak: -- Imports needed import Lean import Mathlib.Data.Real.Basic import Mathlib.Tactic.Linarith -- X, y konstantalarini va tab1, tab2, tab3 va tab4 vektorlarini deklaratsiya qilamiz: x: R = _ y: R = _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
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