compared the text Witztum and Rips used to other Torah texts--some of which are probably more historically reliable--the Witztum and Rips text produced the strongest results.
There is only one version of the Torah text. 
mnli hypothesis: There is only one version of the Torah text.  premise: compared the text Witztum and Rips used to other Torah texts--some of which are probably more historically reliable--the Witztum and Rips text produced the strongest results.