What property would justify the following statement? If a = b and b = c, then a = c.

Question

What property would justify the following statement?

If a = b and b = c, then a = c.

1.  Addition Property 
2. Reflexive Property 
3. Subtraction Property 
4. Transitive Property

Answer 1

transitive property

"trans"itivity "tran"sfers the value of a to b to c

it works for inequality too

if a>b, b>c, then a>c

or

if a<b b<c, then a<c

Answer 2

It is the transitive property of equality.