参考：ℹ️ [ (system)i-idiot ] #(system)i-idiot<i'd(2):Sigmation(To:8)> [⚙️] FarewellIntensionsUnchain Log's(i:Fi) (2x-i) (3y-i) (5z-i) (dx') ────･───･──･───･──── 4i(f:Fi-i∫) (2ix-2i) (4iy-4i) (7iz-7i) -2iF(dy') ◆i:Fi:imaginaryNumbersFunction ◆f:Fi-i∫:function(F) i</i'd(2):sigmation(to:8)>…