Beza, Calvin's close successor, played a key role in systematizing and clarifying Reformed doctrines, especially predestination. His strong emphasis on divine sovereignty, election, and particular atonement did influence later Reformed theology and intensified debates with Arminian thinkers—including his own student, Jacob Arminius. Beza is associated with the development of “supralapsarianism” and contributed substantially to the discussions that fueled the five points of Calvinism, but he did not invent the TULIP acronym or system.
Supralapsarianism is a theological view in Reformed Christianity that posits God's decrees of election and reprobation logically preceded the decree of the fall of man. This perspective emphasizes God's sovereignty in determining who will be saved and who will be condemned before the creation of the world.
Careful detail needed.
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God did not determine who will be saved and determine who would be condemned.
Rather...
He was ABLE to determine in his omniscience would be the ones to believe and who would not.
And, from there. Work everyone into his plan for His glory.
But, there is a big problem:
Unless we understand that the Son has the capacity to deny Himself his right to omniscience, as clearly demonstrated in the Incarnation. We would be stuck to think that God created unbelievers to not believe.
Solution?
God the Father delegated all creation to His Son. Colossians 1:16-17
Why through the Son?
For the Son demonstrated that he can deny Himself His powers of Omniscience. Philippians 2:6-8
And, when it that state?
Create all souls and angels with only one thing in mind.
Create them wanting them to love the Father as He loves the Father.
Once The Son had created them in His mind?
The Father granted the power for them to come into existence.
Jesus then returned to His full glory and was immediately able to see who would believe, and who would freely not believe.
In that way?
Jesus was able to not tamper with the volition of those whom He created while creating them!
To me that makes sense of the mess we are confronted with.
grace and peace ....