rolsixu fu'ivla

For every x in x1, there exists a y in x2 such that x me'au x3 y; For every y in x2 there exists an x in x1 such that x me'au x3 y.

Cf. me'au. The lojban definition is highly preferred. For example, "lo so'imei poi loi so'i kulnu cu rolsixu ke'a lo ka kulnu" translates to "many people of many nations" in a precise sense.

In notes:

namcixu
For mo'e x4 x in x1 there exist mo'e x5 y in x2 such that x me'au x3 y; for mo'e x6 y in x2 there exist mo'e x7 x in x1 such that x me'au x3 y.