I Don't Like That Hermanutical Move

The mosaic law is not of faith, without any context. Paul is writing these highly charged rhetorical letters that directly address the situations that have emerged because of mosaics. What does paul mean when he picks up this term 'Mosaic Law' and apparently makes it about negative statements? And once we understand that, how do we treat them in a way that puts the pressure on us to reconstruct our work?'