Posted: January 7th, 2022
Answer questions (a) and (b) for the following grammar.
(a) Classify the following as either phoneNumbers (in the
grammar). For numbers not in the grammar, state why not.
(b) Consider the following mutation of the grammar:
If possible, give a string that appears in the mutated grammar
but not in the original grammar, another string that is in the
original but not the mutated, and a third string that is in both.
Place an order in 3 easy steps. Takes less than 5 mins.