I think for the sake of a foundation in this discussion it would help inform what the differences are between Calvinism and Arminianism. Jacobus Arminius was formerly a Calvinist.
Compare Beliefs of Calvinism Vs. Arminianism God's Sovereignty
The sovereignty of God is the belief that God is in complete control over everything that happens in the universe. His rule is supreme, and his will is the final cause of all things.
Calvinism: In Calvinist thinking, God's sovereignty is unconditional, unlimited, and absolute. All things are predetermined by the good pleasure of God's will. God foreknew because of his own planning.
Arminianism: To the Arminian, God is sovereign, but has limited his control in correspondence with man's freedom and response. God's decrees are associated with his foreknowledge of man's response.
Man's Depravity
Calvinist believe in the total depravity of man while Arminians hold to an idea dubbed "partial depravity."
Calvinism: Because of the Fall, man is totally depraved and dead in his
sin. Man is unable to save himself and, therefore, God must initiate salvation.
Arminianism: Because of the Fall, man has inherited a corrupted, depraved nature. Through "prevenient grace," God removed the
guilt of
Adam's sin. Prevenient grace is defined as the preparatory work of the Holy Spirit, given to all, enabling a person to respond to God's call to salvation.
Election
Election refers to the concept of how people are chosen for salvation. Calvinists believe election is unconditional, while Arminians believe election is conditional.
Calvinism: Before the foundation of the world, God unconditionally chose (or "elected") some to be saved. Election has nothing to do with man's future response. The elect are chosen by God.
Arminianism: Election is based on God's foreknowledge of those who would believe in him through faith. In other words, God elected those who would choose him of their own free will. Conditional election is based on man's response to God's offer of salvation.
Christ's Atonement
Atonement is the most controversial aspect of the Calvinism vs. Arminianism debate. It refers to Christ's sacrifice for sinners. To the Calvinist, Christ's atonement is limited to the elect. In Arminian thinking, atonement is unlimited. Jesus died for all people.
Calvinism: Jesus Christ died to save only those who were given to him (elected) by the Father in eternity past. Since Christ did not die for everyone, but only for the elect, his atonement is wholly successful.
Arminianism: Christ died for everyone. The Savior's atoning death provided the means of salvation for the entire human race. Christ's atonement, however, is effective only for those who believe.
Grace
God's grace has to do with his call to salvation. Calvinism says God’s grace is irresistible, while Arminianism argues that it can be resisted.
Calvinism: While God extends his common grace to all humankind, it is not sufficient to save anyone. Only God's irresistible grace can draw the elect to salvation and make a person willing to respond. This grace cannot be obstructed or resisted.
Arminianism: Through the preparatory (prevenient) grace given to all by the
Holy Spirit, man is able to cooperate with God and respond in faith to salvation. Through prevenient grace, God removed the effects of Adam's sin. Because of "free will" men are also able to resist God's grace.
Man's Will
The free will of man versus God's sovereign will is linked to many points in the Calvinism vs. Arminianism debate.
Calvinism: All men are totally depraved, and this depravity extends to the entire person, including the will. Except for God's irresistible grace, men are entirely incapable of responding to God on their own.
Arminianism: Because prevenient grace is given to all men by the Holy Spirit, and this grace extends to the entire person, all people have free will.
Perseverance
Perseverance of the saints is tied to the "once saved, always saved" debate and the question of
eternal security. The Calvinist says the elect will persevere in faith and will not permanently deny Christ or turn away from Him. The Arminian may insist that a person can fall away and lose his or her salvation. However, some Arminians embrace eternal security.
Calvinism: Believers will persevere in salvation because God will see to it that none will be lost. Believers are secure in the faith because God will finish the work he began.
Arminianism: By the exercise of free will, believers can turn away or fall away from grace and lose their salvation.
It's important to note that all of the doctrinal points in both theological positions have a biblical foundation, which is why the debate has been so divisive and enduring throughout church history.
Different denominations disagree over which points are correct, rejecting all or some of either system of theology, leaving most believers with a mixed perspective.
Because both Calvinism and Arminianism deal with concepts that go far beyond human comprehension, the debate is certain to continue as finite beings try to explain an infinitely mysterious God.