When speaking of the Trinity, you can say three, but you can’t say triple or threefold or triplex. And you certainly shouldn’t say that the Father, Son, and Holy Spirit are three beings. In these two axioms, Polanus is largely covering ground he has already
Fred is a systematic theologian with an emphasis on the doctrine of the Trinity. He and his wife Susan have two adult children and are members of Grace Evangelical Free Church. Read more about Fred here.