Which is not the correct statement?
A. The class of regular sets is closed under homomorphisms.
B. The class of regular sets is not closed under inverse homomorphisms.
C. The class of regular sets is closed under quotient.
D. The class of regular sets is closed under substitution.
Answer:B
Which is not the correct statement?
A. The class of regular sets is closed under homomorphisms. B. The class of regular sets is not closed under inverse homomorphisms. C. The class of regular sets is closed under quotient. D. The class of regular sets is closed under substitution.