A big stumbling block in the "Western" linguistic psyche is how 3 can be 1. Akhi John Drywood, for instance, brought this very issue up recently.
In the Aramaic linguistic psyche, 3 can absolutely equal 1. 2 can equal 1. Heck - any number can equal 1, and 1 can equal any other number. It all depends on the context.
When we say Father, Son and Holy Spirit - we are not speaking at the Parsopa level. These are not Parsope. When we say "Trinity" - we mean that there are 3 Qnome in 1 God. We never mean there are 3 "Persons" (Parsope) in God. Never.
So, while we are speaking of Father, Son and Holy Spirit - one must realize that we are speaking in Aramaic of 3 Qnome of God.
So how can 3 be 1 ?
As it has been stated in previous posts - at the Qnoma level, every Person (Parsopa) is identical. There is no difference between your human Qnoma and my human Qnoma. They are one with each other and with all other like Qnome (Qnome individuated from the same Kyana, Nature.) Qnome individuated from the same Kyana are indistinguishable. In order to distinguish between them (your Qnoma and mine) you would have to speak of the "Parsopa" level. That's how you and I are distinguished - at the Parsopa level.
This is how Father, Son and Holy Spirit are one God. This is how they are equal - there is no precedence among them. This is how we speak of God in Aramaic.
This is also how we understand the mystery of the Incarnation of the Word. Each Qnoma (the Divine and the Human) is preserved in the one Parsopa of the Incarnation. Each one retained its own properties without mixture or confusion.
This is how we understand that Christ forgives sins - and at the same time He hungers or dies. The Incarnation of the Messiah is, at the Parsopa Level ("Person") at once both God and Man.
At the Qnoma level, these Qnome are separate and unique - and each retains its own characteristics. Each is one with its other like Qnome (Qnome from the same Kyana.)
This is our deliverance. For if the Messiah was not at one and the same time both God and Man, we have no salvation and no hope.