a set s of characters is defined recursively by
1. a and b belong to s.
2. if x belongs...
Mathematics, 17.07.2019 16:10 ashlee7877
a set s of characters is defined recursively by
1. a and b belong to s.
2. if x belongs to s, so does xb.
which of the following string belong to s?
a. a
b. ab
c. aba
d. aaab
e.
Answers: 2
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