Aequiv.var.types.xml Aequiv.var.xml Aeq.var.types.xml Aeq.var.xml Amult.var.types.xml Amult.var.xml Aone.var.types.xml Aone.var.xml Aopp.var.types.xml Aopp.var.xml Aplus.var.types.xml Aplus.var.xml A.var.types.xml A.var.xml Azero.var.types.xml Azero.var.xml equiv_refl.var.types.xml equiv_refl.var.xml equiv_sym.var.types.xml equiv_sym.var.xml equiv_trans.var.types.xml equiv_trans.var.xml mult_morph.var.types.xml mult_morph.var.xml opp_morph.var.types.xml opp_morph.var.xml plus_morph.var.types.xml plus_morph.var.xml semi_setoid_rings/ setoid_rings/ S.var.types.xml S.var.xml