Lord's supper: bread and wine are purely symbolic and memorial in character
There is no Real Presence, no transubstantiation or consubstantiation.
But cause they a "pneumatic presence" or "spiritual feeding" ?
I believe you already answered your question.
"Pneumatic Presence", if I remember correctly, is the same thing as saying there is a "Real Presence".
However, you already stated that you know there is no "real presence". You would be correct to say ONE of the reasons is "spiritual feeding".
To quote Melvin J. Wise:
WHAT IS THE PURPOSE OF THE LORD’S SUPPER?
1. It is a memorial service. “This do in remembrance of me.” (
Luke22:19)
Memorials are natural, common, and universal. The savage and the civilized, the ignorant and the learned, the poor and the rich, all the relics and memorials.
America has her Independence Day and Memorial Day. Other countries have their days peculiar to their national history. Every tombstone in every cemetary is a monument to two facts: First, that somebody lived and was loved; and, second, that somebody has died and is lovingly remembered.
So is the Lord’s Supper a monument, a memorial service. Those who partake have their minds carried back to that awful night in Gethsemane, to the cruel mob, to the next morning as Jesus stood before Pilate and Herod, to the nails that pierced His hands and feet, to the spear that pierced His side, and to the blood that was shed for you and me.
2. It is a proclamation. (
I Cor.11:26)
Not everyone can be an oral proclaimer of the gospel; but every man, woman, boy or girl in the church can preach a sermon in the act of observing the Lord’s Supper. “Actions speak louder than words” is an adage that is everlastingly true. No sermon from the pulpit on this subject, however eloquent it may be, can speak as effectively as the whole congregation in joint participation, when solemnly, faithfully, and discerningly observing this sacred meal.
3. It is a means of spiritual nourishment. (
John6:53-56)
Some of the greatest gifts from God to man are the blessings of physical and spiritual life; but both are dependent upon certain conditions. If we would live physically we must have proper food, exercise, sunshine and air. Let a man shut himself away from all light, food, air, and exercise and he will die physically. We cannot hibernate as the animals do. Neither can we hibernate spiritually. Jesus said: “Except ye eat the flesh of the Son of man, and drink his blood, ye have no life in you.” (
John6:53) In this Jesus might have had in mind more than the Lord’s Supper, but we do know that He included it in this statement, for the bread is emblematic of His body and the fruit of the vine is emblematic of His blood (
Matt.26:26-28). Some will forsake the Lord’s Supper for months and months and still claim to have good spiritual health in Christ. Jesus said: “I am the vine, ye are the branches.” (
John15:5) The branches draw their life from the vine, and if they are cut off from the vine they will wither and die. It was the dying request of our Redeemer that we do this in remembrance of Him (
Luke22:19); and Paul urges that we not forsake it. (
Heb.10:25)
End quote
I hope this helps!