x1 (property with two places for ce'u) is the property according to which members of x2 (ordered set with two members) are related to each other in the same way as members of x3 (ordered set with two members), or in the same way as members of x4 (ordered set with two members), etc. ... (infinite number of places)
This is analogy; the terms in x2 are related to one another in the same way as the terms in xi, for any i>1, and that mutual relationship is that of x1. The cardinality and order of the sumti filling every terbri except the first is determined by the number of ce'u's in and the main selbri in abstraction of the first terbri. See also kenmige, cenmige