automata 4 Sections AutomataTheory Doc

Def EquivRel x,y:T. E(x;y) == Refl(T;x,y.E(x;y)) & Sym x,y:T. E(x;y) & Trans x,y:T. E(x;y)

In prior sections: rel 1 quot 1 relation autom myhill nerode