fact: Definition to_nfa (A: dfa.t): t := mk (mx_fun (fun _ => dfa.u A) 1) (\sum_(a\in dfa.vars A) mx_fun (fun x => dfa.M A x a) (var a)) (fun i _ => ofbool (dfa.v A i)).
imports: positives comparisons kleene regex rmx sums matrix_ext prop normalisation