NISHIO Hirokazu[Translate]
余事象を引く
求めたい事象の場合の数が直接求めにくい時に、全事象から余事象を引く問題変換

関連

"Engineer's way of creating knowledge" the English version of my book is now available on [Engineer's way of creating knowledge]

(C)NISHIO Hirokazu / Converted from [Scrapbox] at [Edit]