Choisissez la réponse la plus appropriée pour chaque question.
Question 1 :
There are two ways of binding a predicate's variables: one is to assign constant values to those variables, the other is to quantify over those variables (using universal or existential quantifiers). If all of a predicate's variables are bound, the _________ formula is a proposition.
Question 2 :
In America alone, people spent $170 billion on “direct marketing”—junk mail of both the physical and electronic varieties—last year. Yet of those who received unsolicited adverts through the post, only 3% bought anything as a ______. If the bumf arrived electronically, the take-up rate was 0.1%. And for online adverts the “conversion” into sales was a minuscule 0.01%.
Ce quiz est généré dynamiquement. Pour plus de quizzes, s'il vous plaît rafraîchir la page.