subduplex

sub-duplex, icis, die in einer größeren Zahl zweimal enthaltene kleinere Zahl, Boëth. inst. arithm. 1, 30 extr. – dass. sub-duplus, ī, m., ibid. 1, 23. p. 47, 17 u. 20 Fr.

subduplex [LL], that is contained exactly twice in a larger number. [submultiplex] dividitur in species specialissimas, sc. in ~icem et subtriplicem Bacon XV 225; minores comites numquam sine ‘sub’ †proporcione [l. preposicione] nominantur, ut sit ~ex superbipartiens Odington 54.

subdŭplex, ĭcis, v. subduplus : Boet. Arithm. 1, 30.