Question

These are the 4 steps for writing an Indirect Proof. Put them in order.

a. Conclude that since the assumption is false, the original conjecture must be true.

b. Identify the conjecture to be proven.

c. Use direct reasoning to show that the assumption leads to a contradiction.

d. Assume the opposite (the negation) of the conclusion is true.

a, b, c, d
b, d, c, a
d, c, a, b
c, a, b, d