Explain the following three itemized questions about indrect proof
(a. k.a. reductio ad absurdum):
(1) how it works in terms of its unique procedure as a proof,
(2) why it constitutes a legitimate proof in spite of its unorthodox procedure
by identifying and explaining the two fundamental principles of logic as
its underpinnings; and
(3) why we accept those two principles.

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?