automata 4 Sections AutomataTheory Doc

Def |S| |T| == f:(ST). Surj(S; T; f)

Thm* A1:Automata(Alph;S1), A2:Automata(Alph;S2). Con(A1) & Con(A2) A1 A2 |S1| |S2| refine_ge