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Let L 1 = { x } , L 2 = { a , b , c } , and L 3 = { y
Let and Which of the following represents
adots,
bdots,
cdots,dots,
ddots,
Consider the language denoted by Which of the following is true?
a All strings in contain at least two s
b A string in may contain infinitely many as
c In strings have as many s as s
d No string in has just one
Consider the machine below. Which of the following is the language accepted by the machine?
a: starts with one :
b: contains more s than :
c: contains more than one :
d: every in is followed by exactly two :
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