Concept tag
#quantifiers
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Epsilon-delta is two nested quantifiers, and that is why my students struggle
Every year I teach limits to senior secondary students in Delhi, and every year the same thing happens. They can compute limits perfectly well. Then I write the definition: For every ε > 0 there exists a δ > 0 such that…
Started by Vikram Sethi5 replies135 views -
Every invoice needs some approver: why does the order of quantifiers change the meaning?
I do tax returns for small businesses. One client's internal policy says: "Every invoice must be approved by some manager." Two of their managers have now spent a month arguing about it. One reads it as: each invoice needs a manager's approval,…
Started by Harpreet Kaur Grewal4 replies156 views