2 problems

Let $\mathcal G_1$ denote the class of formula families achieving approximation on arbitrary finite subsets of $[0,1]$, and let $\mathcal G_2$ denote the class of families achievin…

Let $\mathcal G_1$ denote the class of formula families achieving approximation on arbitrary finite subsets of $[0,1]$, and let $\mathcal G_2$ denote the class of families achievin…