Is x > y? 1) x = y + 2 2) x/2 = y - 1 Target question : Is x > y? Statement 1 : x = y + 2 Since this tells us that x and y+2 are equal, let's take the target question , and replace x with y + 2 to get: Is y + 2 > y? The answer is a resounding YES !! y + 2 is TWO GREATER THAN y Since we can answer t...