(1) The classical Lie - Algebras are finite - dimensional Lie - Algebras , which can be classified into four types : Formula 1 and Formula 2 . These types are defined as follows :
(2) The finite-dimensional Lie algebras are classical Lie algebras that can be classified into four types : formula _ 1 and formula _ 2 . These types are defined as follows :

Do these two sentences mean the same thing?
no