Quiz (1 point)
Given that:
    
    
a = b ⋅ c
    
    Prove that:
a ⋅ a = ((b ⋅ c) ⋅ b) ⋅ c
The following properties may be helpful:
    - a ⋅ (b ⋅ c) = (a ⋅ b) ⋅ c
- if a = b, then a ⋅ a = b ⋅ b 
- if the following are true: - a = b
- b = c
 - then a = c 
Please write your proof in the table below. Each row should contain one claim. The last claim is the statement that you are trying to prove.