Aaaa Aaaa
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for L = (w ∈ (a, b, c) *: W has bbbb aaaa and channels) No order of the letters wrong?
L = (w ∈ (a, b, c) * : W a aaaa bbbb) and substrings in any order, so it should be: "aaaaaaaaabbbbbbccccc" accept or not a substance as "Abcbacbaaaaaaabbbbbbcccccabcbbcba?
Considering that L = (w ∈ (a, b, c) *: W a aaaa bbbb) sub-strings and without further restrictions, the order does not matter. So we must accept Aaaa bbbb contain''and W'que L'' 'anywhere and any order, even something like this, for example acacacbbbbccccaaaabcbcbc
