Instance Canc_knot(Canc_F: forall A, Canc_alg (F A)) : Canc_alg knot.
Instance Disj_knot(Disj_F: forall A, Disj_alg (F A)) : Disj_alg knot.

Theorem asa_knot : @Age_alg knot _ K.ag_knot.
End KnotHeredSa.