Does anyone know what the best method is to prove that the intersection of Language1 and Language 2 = Language1?
Where both languages are over alphabet {a,b,c}.
2026-03-25 15:58:39.1774454319
Proof the 1 language is contained in another
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The problem of equality of two regular expression is EXPSACE-complete. So I guess building the automaton and working on the automaton would be the easier way to solve your problem.