NISHIO Hirokazu[Translate]
妥当式
述語論理で常に真な命題
トートロジーとは限らない
例: \forall x (p(x)) → \exists x (p(x))

"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]