Question
Let = {a, b, c}, let L1 be the set of all the strings over which have the same number of as, bs and cs,
Let = {a, b, c}, let L1 be the set of all the strings over which have the same number of as, bs and cs, and let L2 the set of strings of where all the as precede all the bs and all the bs precede all the cs. What is:
(a) L1 L2?
(b) L1 L2?
(c) L1?
(d) L2?
(e) L1 L2?
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Excel As Your Database
Authors: Paul Cornell
1st Edition
1590597516, 978-1590597514
