Object: quotient_qinc, theory quot_1
Display form: T:. E:T T . EquivRel(T;x,y.E[x;y]) T x,y:T//E[x;y]
Term structure: all(universe; T.all(function(T; .function(T; .prop)); E.implies(equiv_rel(T; x,y.so_apply(E; x; y)); subtype(T; quotient(T; x,y.so_apply(E; x; y))))))