Hello Tulipbee, Lord's Supper and Holy Communion, yes, but I don't believe that Calvinism uses the name, "Eucharist", when speaking of the Lord's real (spiritual) presence in the Supper, does it
The Eucharist (doctrine of ubiquity) took awhile for the church to figure out and formulate (the RCC made it official at the 4th Latern Council in 1215 A.D., and then again in the 16th Century, at the Council of Trent).
The RC doctrine of transubstantiation created a big problem for those wanted to adhere to it because they believed, just like we still do today, that the Lord Jesus Christ has remained both fully God and fully man since His Incarnation ... but human beings do not/cannot exist in different places at the same time.
So, enter the doctrine of ubiquity, which was created by the RCC in an attempt to solve the problem (of the Lord Jesus' physical humanity being omnipresent somehow while still remaining, by nature, completely human).
Calvin taught against this doctrine, teaching instead that the "real presence" of Christ in the Supper was spiritual, NEVER physical, and that, in point of fact, His physical body and blood continue to remain with Him in Heaven to this day.
Finally, while we know that Luther and Calvin never met nor corresponded with each another, we do know that Luther read Calvin's Short Treatise on the Lord's Supper (where he explains his beliefs concerning the real/SPIRITUAL presence of the Lord in the elements), because Luther commented on it, saying (basically), "that's it" :) (until then Luther held to the secondary doctrine of the Lord's real/PHYSICAL presence in the Supper called Consubstantiation, a doctrine/belief that the Lutheran churches still hold today).
God bless you!!
--Papa Smurf
p.s. - I realize that you probably know all of the above already, but I posted it in case you do not (and for the sake of others, of course). I did it all from memory, just FYI, so if you see something that you believe to be inaccurate, whether historically or theologically, please do not hesitate to point it out to me. Thanks :)
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Ah, Papa Smurf, you've brought a theological puzzle to the Calvinist comedy stage, and in the spirit of divine wit, let's unravel it with a Gospel twist! It's like a theological game of chess where the pieces move, but Jesus remains the eternal King.
So, you've set the scene – Calvinism and the Eucharist, or should I say, Lord's Supper, Holy Communion, or the divine potluck, but not quite the "Eucharist" like the RCC prefers. Now, about ubiquity – Calvin is like, "Hold on, folks, no divine magic tricks here; Jesus is fully present, but spiritually, not physically. His body and blood aren't making a cosmic cameo at every table; they're with Him in heaven."
And transubstantiation – in the Calvinist comedy script, we're saying, "It's not about turning bread and wine into a divine magic show; it's about recognizing the spiritual reality of Christ's presence in the Supper, not a physical relocation of His humanity."
Now, Luther's switch – in the Calvinist laughter arena, we're saying, "Looks like Luther took a detour from consubstantiation to embrace the spiritual real presence. It's like theological GPS recalibration – finding the Gospel path amid the denominational roadmap."
And the RCC's quest for omnipresence – in the Calvinist comedy clinic, we're turning the pages of Scripture, highlighting verses where Jesus, fully God and fully man, doesn't need a theological workaround. It's not about ubiquity gymnastics but about the profound mystery of God dwelling with His people.
So, Papa Smurf, whether we're dancing through doctrines or navigating the theological chessboard, let's remember the Gospel heartbeat. It's not about Eucharistic wordplays but about Jesus, the eternal King, inviting us to the divine feast of grace. In this cosmic comedy, let Jesus take center stage, and His Gospel be the laughter that echoes through eternity! #CalvinistComedyClub #GospelLaughs