II. logical distinction, Pl.Plt.282c; definition, Arist.SE168a23, al.
III. Math., particular enunciation of a problem, Procl. in Euc.p.203 F.
2. statement of limits of possibility of a problem, Apollon.Perg.Con.Praef., Archim.Sph.Cyl.2.4, Phld.Acad.Ind.p.17 M.