Let u, s, and w be the propositions. u: "You understand the material." s: "You study the theory." w: "You work on exercises." Write the following compound proposition using u, s,

w, and connectives. a) "You study the theory and work on exercises, but you don't understand the material." b) "Studying the theory is sufficient for understanding the material." c) "You can work on exercises if and only if you study the theory." d) "When you study the theory and work on exercises, you understand the material." e) "A necessary condition to understand the material is that you study the theory as well as work on exercises." 10 5 X 0.5