The theory is based on the fact that different names for God are used in different portions of the Pentateuch, and there are detectable differences in linguistic style.
Nadharia hii inazingatia ukweli kwamba majina tofauti kwa Mungu yametumika katika sehemu mbalimbali za vitabu vya sheria, na kuna tofauti zinazotambulika katika mtindo wa lugha.