IDNLearn.com is your trusted platform for finding reliable answers. Discover reliable answers to your questions with our extensive database of expert knowledge.
Use deductive reasoning to tell whether each statement is true or false. If it is
false, give a counterexample.
22. For all real numbers a and b, a - b = -b + a.
23. For all real numbers p, q and r, p - 4-r=p-r-q.
24. For all real numbers x, y and z, (x + y) + z = z + (x + y).
25. For all real numbers m and n, m. n = n. m.
