da'inri fu'ivla

x1 (si'o/du'u/nu) is hypothetical / is assumed for the sake of analysis by x2

See da'i, xanri, xa'i, da'inpei

In notes:

mu'ai
munje modal: 1st place; in universe...
da'inpei
x1 (agent) hypothesizes x2 (si'o/du'u/nu); x1 assumes x2 for the sake of analysis