en_tn_lite_do_not_use/gal/03/20.md

Now a mediator implies more than one person, but God is one

God gave his promise to Abraham without a mediator, but he gave the law to Moses with a mediator. As a result, Paul's readers may have thought that the law somehow made the promise to no effect. Paul is stating what his readers might have thought here, and he will respond to them in the verses that follow.