negational造句

例句与造句

1. Frege's first work, the " Begriffsschrift " ( " concept script " ) is a rigorously axiomatised system of propositional logic, relying on just two connectives ( negational and conditional ), two rules of inference ( " modus ponens " and substitution ), and six axioms.
2. The Expression plane consists of " the book " which is a noun phrase with a determiner, a finite verb with a negational adverb " hasn't ", and a passive verbal phrase " been read " with an agent " by anyone " and a time adverb " for a while ".
3. It's difficult to find negational in a sentence. 用negational造句挺难的