Write each of the given in symbolic notation (ensure to give dictionary for each) and find whether argument is valid using the truth table.
a. If it rains, then I take the umbrella. If I take the umbrella, then I am not in fashion. Hence, if it rains, then I am not in fashion.
b. Bryce will either take stairs or elevator to the room. If he takes stairs, he will be tired when he gets to his room. If he takes elevator, he will miss start of baseball game on TV. Hence, Bryce will either be tired when he gets to the room or he will miss start of baseball game.