Chapter 3, Problem 41CP

$\begin{array}{l}\text{Is }(\text{x}>0\&\&\text{x}<\text{10) the same as ((x}>0)\&\&(\text{x}<10))?\text{Is (x}>0\\ |\text{| x}<10)\text{the same as((x}>0)|\text{| (x}>10))?\text{Is (x}>0|\text{| x}<10\&\&\\ y<0)\text{the same as (x}>0|\text{| (x}<10\&\&y<0))?\end{array}$