Question

which property justifies the statement? if a=b and b=5, then a=5.

Answer 1

$\begin{gathered} \text{If we know that a=b and b=5, then a= 5 thanks to the transitivity property} \\ \\ \text{The property that justifies the statement is the transitivity} \end{gathered}$

The property that justifies the statement is the transitivity