gunmace fu'ivla

x1 is a mass/group consisting of elements x2, x3, x4, etc.

See gunma, joi, porsice, setmice, menrece


In notes:

menrece
x1 is among x2, x3, x4, etc.
porsice
x1 is an ordered sequence consisting of elements x2, x3, x4, etc.
setmice
x1 is a set (mathematical) consisting of elements x2, x3, x4, etc.