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Limbo is a part of Hell, so the belief of Limbo of the Innocents doesn't violate this

I also believe what I was taught about Limbo being closed after the resurrection and ascension.  I also believe it is not something we need to worry about if we take care to baptize as soon as is possible. 

Condemning anyone is above my pay grade.

I try to do the best I can and leave the rest to God.

Show me the dogma of the Church on Limbo.

1526 26. The doctrine which rejects as a Pelagian fable, that place of the lower regions (which the faithful generally designate by the name of the limbo of children) in which the souls of those departing with the sole guilt of original sin are punished with the punishment of the condemned, exclusive of the punishment of fire, just as if, by this very fact, that these who remove the punishment of fire introduced that middle place and state free of guilt and of punishment between the kingdom of God and eternal damnation, such as that about which the Pelagians idly talk,-false, rash, injurious to Catholic schools. - Pope Pius VI, Denzinger, 13th ed. p. 378

I was taught and believe three forms of baptism.

One Lord, one faith, one baptism. - Eph. 4:5

The Nicene-Constantinople Creed, 381, ex cathedra: “We confess one baptism for the remission of sins.”[2]

Pope St. Celestine I, Council of Ephesus, 431: “Having read these holy phrases and finding ourselves in agreement (for ‘there is one Lord, one faith, one baptism’ [Eph. 4:5]), we have given glory to God who is the savior of all…”[3]

Pope St. Leo IX, Congratulamur Vehementer, April 13, 1053: “I believe that the one true Church is holy, Catholic and apostolic, in which is given one baptism and the true remission of all sins.”[4]

Pope Boniface VIII, Unam Sanctam, Nov. 18, 1302, ex cathedra: “One is my dove, my perfect one… which represents the one mystical body whose head is Christ, of Christ indeed, as God.  And in this, ‘one Lord, one faith, one baptism’ (Eph. 4:5).”[5]

Pope Clement V, Council of Vienne, Decree # 30, 1311-1312, ex cathedra:  “Since however there is for both regulars and seculars, for superiors and subjects, for exempt and non-exempt, one universal Church, outside of which there is no salvation, for all of whom there is one Lord, one faith, and one baptism…”[6]

Pope Pius VI, Inscrutabile (# 8), Dec. 25, 1775: “… We exhort and advise you to be all of one mind and in harmony as you strive for the same object, just as the Church has one faith, one baptism, and one spirit.”[7]

Pope Leo XII, Ubi Primum (# 14), May 5, 1824: “By it we are taught, and by divine faith we hold one Lord, one faith, one baptism, and that no other name under heaven is given to men except the name of Jesus Christ in which we must be saved.  This is why we profess that there is no salvation outside the Church.”[8]

Pope Pius VIII, Traditi Humilitati (# 4), May 24, 1829: “Against these experienced sophists the people must be taught that the profession of the Catholic faith is uniquely true, as the apostle proclaims: one Lord, one faith, one baptism (Eph. 4:5).”[9]

Pope Gregory XVI, Mirari Vos (# 13), Aug. 15, 1832: “With the admonition of the apostle that ‘there is one God, one faith, one baptism’ (Eph. 4:5) may those fear who contrive the notion that the safe harbor of salvation is open to persons of any religion whatever.”[10]

Pope Leo XIII, Graves de communi re (# 8), Jan. 18, 1901: “Hence the doctrine of the Apostle, who warns us that ‘We are one body and spirit called to the one hope in our vocation; one Lord, one faith and one baptism…”[11]

https://schismatic-home-aloner.com/only-one-baptism-eph-4-5/