Which statement is the Law of Detachment?

If p implies q is a true statement and q is true, then q is true.
If p implies q is a true statement and p is true, then q is true.
If p implies q is a true statement and q is true, then p is true

Question

Which statement is the Law of Detachment?
 
   If p implies q is a true statement and q is true, then q is true. 
 If p implies q is a true statement and p is true, then q is true. 
 If p implies q is a true statement and q is true, then p is true

anonymous · Answer

Identify the conclusion of the following conditional:

A number is divisible by 3 if the sum of the digits of the number is divisible by 3.
 
   If the sum of the digits of a number is divisible by 3, then the number is divisible by 3. 
 The number is divisible by 3. 
 The number is odd. 
 The sum of the digits of the number is divisible by 3