duad

From the monad proceeds an indefinite duad, which is subordinate to the monad as to its cause.

On the hyper level the triplet becomes a duad and a unit; the duad becomes two units; and the septet a triplet and a quartet.

A consists of two square-based pyramids turned so as to meet at their apices, and breaks up into two quartet rings and a duad.

The duad represented the line, as being bounded by two points or monads.