da'inpei fu'ivla

x1 (agent) hypothesizes x2 (si'o/du'u/nu); x1 assumes x2 for the sake of analysis

See da'i, da'inri, pensi, xarpei, sruma

In notes:

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