Context free languages are closed under properties: – Union, Concatenation, Closure Operation
Context free languages are not closed under properties: – Intersection and Complementation
Regular languages are closed under properties: – Union, Concatenation, Complementation, Intersection, Set Difference, Reversal, Homomorphism, INIT operation
Regular languages are not closed under properties: – Infinite Union.
It will be better if all the properties are remembered.