method
Source library
Scripture supplies the Christian standard, official LDS sources define LDS doctrine, and Christian sources identify the boundary LDS doctrine rejects.
Scripture, LDS sources, historic boundaries
LDS doctrine is represented from LDS scripture, official Topics and Questions pages, Gospel Topics Essays, General Conference, and Joseph Smith Papers material where relevant.
Biblical claims are tied to Scripture, and Christian identity is tied to the Nicene center and representative church judgments.
Official sources set the baseline
For LDS doctrine, official church materials carry the most weight: scripture, current handbook language, official essays, and public teaching. Apologetic or critical sources may help anticipate objections, but they do not set the baseline.
Christianity is defined from Scripture first. Historic sources such as the Nicene Creed and Catholic baptism rulings show that the boundary is not a modern evangelical preference.
Evidence you can check
Each reference is included so the comparison can be tested directly: what LDS sources teach, what Scripture says, and where Christian boundaries have been drawn.
The point is not to catalog every disputed historical claim. The point is to show enough public evidence to compare how the two systems define God, Christ, authority, and salvation.
Godhead, Topics and Questions
The Church of Jesus Christ of Latter-day Saints
Official LDS teaching that the Father, Son, and Holy Ghost are distinct beings, one in purpose and doctrine.
Doctrine and Covenants 130
The Church of Jesus Christ of Latter-day Saints
Canonical LDS text teaching that the Father and Son have bodies of flesh and bones.
Abraham 4
The Church of Jesus Christ of Latter-day Saints
Pearl of Great Price creation account repeatedly describing 'the Gods' organizing the heavens and the earth.
Becoming Like God
The Church of Jesus Christ of Latter-day Saints
Official essay explaining LDS divine potential and acknowledging that LDS teaching goes beyond most contemporary Christian churches.
God, Godhead, Guide to the Scriptures
The Church of Jesus Christ of Latter-day Saints
LDS guide entry describing Father, Son, and Holy Ghost as three separate personages.
Doctrine and Covenants 132
The Church of Jesus Christ of Latter-day Saints
Canonical LDS text tying exaltation to covenant sealing and saying the exalted shall be gods.
Apostasy, Topics and Questions
The Church of Jesus Christ of Latter-day Saints
Official LDS source teaching that priesthood authority was withdrawn after the apostles.
Restoration of the Church
The Church of Jesus Christ of Latter-day Saints
Official LDS source saying the fullness of the gospel was taken from the earth and restored through Joseph Smith.
Restoration of the Gospel Study Guide
The Church of Jesus Christ of Latter-day Saints
Official study guide presenting the Restoration as the return of priesthood authority, ordinances, and the fulness of the gospel.
Joseph Smith-History 1
The Church of Jesus Christ of Latter-day Saints
Canonical account where Joseph Smith is told to join none of the existing churches.
Are 'Mormons' Christian?
The Church of Jesus Christ of Latter-day Saints
Official essay acknowledging LDS rejection of post-New Testament creeds and distinct restoration claims.
Articles of Faith
The Church of Jesus Christ of Latter-day Saints
LDS scripture affirming the Bible as far as translated correctly, additional scripture, continuing revelation, and laws and ordinances.
Premortality
The Church of Jesus Christ of Latter-day Saints
Official LDS source teaching premortal life as Heavenly Father's spirit children.
Heavenly Parents
The Church of Jesus Christ of Latter-day Saints
Official LDS source teaching that all people are beloved spirit children of heavenly parents.
Jesus Christ, Our Chosen Leader and Savior
The Church of Jesus Christ of Latter-day Saints
LDS manual chapter presenting Jesus as chosen in the premortal council and contrasting His plan with Lucifer's.
Satan, Topics and Questions
The Church of Jesus Christ of Latter-day Saints
Official LDS source identifying Satan as a spirit son of God who rebelled.
Independence Temple Lot
The Church of Jesus Christ of Latter-day Saints
Official historic-site page noting the Saints fled before they could build a temple on the Independence temple lot.
Doctrine and Covenants 84
The Church of Jesus Christ of Latter-day Saints
Canonical LDS revelation about the New Jerusalem temple being reared in this generation.
Doctrine and Covenants 124
The Church of Jesus Christ of Latter-day Saints
Canonical LDS revelation used in LDS responses to explain uncompleted temple commands when enemies prevented the Saints from fulfilling them.
Translation and Historicity of the Book of Abraham
The Church of Jesus Christ of Latter-day Saints
Official essay discussing Joseph Smith's translation claim, surviving fragments, and LDS responses to the Book of Abraham problem.
Book of Abraham and Egyptian Material
Joseph Smith Papers
Joseph Smith Papers overview for Abraham manuscripts, Egyptian papers, and surviving fragments.
Nicene Creed
United States Conference of Catholic Bishops
Representative text of the historic Nicene confession of one God, the Trinity, and the eternal deity of Christ.
Validity of Baptism Conferred by Mormons
Vatican
Catholic explanation that LDS use of Father, Son, and Holy Spirit does not carry the same doctrinal meaning.
Gestis Verbisque on the Validity of the Sacraments
Vatican
2024 Vatican doctrinal note repeating that LDS baptism is invalid because the same trinitarian words mean something essentially different.
Latter-day Saint Religious Landscape Data
Pew Research Center
Survey data showing high LDS religious participation while leaving the doctrinal question untouched.
Lord Jesus Christ: Devotion to Jesus in Earliest Christianity
Eerdmans
Hurtado's study of early devotion to Jesus, useful for early high Christology without proving the LDS Godhead.
Early Christian Belief in a Corporeal Deity: Origen and Augustine as Reluctant Witnesses
Harvard Theological Review
Paulsen's argument about early Christian corporeal language, useful for the embodiment objection without proving the full LDS system.
The Only True God and Jesus Christ Whom He Hath Sent
The Church of Jesus Christ of Latter-day Saints
General Conference address openly rejecting the doctrine of three persons in one substance.
We Look to Christ
The Church of Jesus Christ of Latter-day Saints
General Conference address acknowledging that LDS belief differs from the traditional Christ of Christianity and appealing to restored revelation.
Do Latter-day Saints Believe in the Trinity?
The Church of Jesus Christ of Latter-day Saints
Official LDS article saying Latter-day Saints do not believe in the traditional Trinity and instead teach three separate beings united in purpose.
Holy Ghost, Topics and Questions
The Church of Jesus Christ of Latter-day Saints
Official LDS source teaching that the Holy Ghost is the third member of the Godhead and a personage of spirit.
Doctrine and Covenants 20
The Church of Jesus Christ of Latter-day Saints
LDS scripture connecting the coming forth of the Book of Mormon with the restoration claim.
Moroni 10
The Church of Jesus Christ of Latter-day Saints
Book of Mormon passage commonly used for the LDS spiritual witness test.
Doctrine and Covenants 131
The Church of Jesus Christ of Latter-day Saints
Canonical LDS text saying the highest degree of celestial glory requires entering the new and everlasting covenant of marriage.
Kingdoms of Glory, Topics and Questions
The Church of Jesus Christ of Latter-day Saints
Official LDS source describing degrees of glory and inherited glory in relation to conversion and obedience.
Grace, Topics and Questions
The Church of Jesus Christ of Latter-day Saints
Official LDS source teaching grace through Jesus Christ while locating salvation within the LDS doctrinal system.
Bible, Topics and Questions
The Church of Jesus Christ of Latter-day Saints
Official LDS source affirming the Bible while teaching that additional scripture clarifies and corroborates the biblical witness.
What Is the Role of the Book of Mormon?
The Church of Jesus Christ of Latter-day Saints
Missionary manual teaching that the Book of Mormon is the keystone witness for Joseph Smith, the Restoration, and restored doctrine.
What Is My Purpose as a Missionary?
The Church of Jesus Christ of Latter-day Saints
Missionary manual tying apostasy, restoration, priesthood authority, ordinances, temple covenants, and exaltation together in LDS teaching.
General Handbook 3: Priesthood Principles
The Church of Jesus Christ of Latter-day Saints
Current LDS handbook chapter describing priesthood keys, delegated authority, and ordinances necessary for salvation and exaltation.
Baptisms for the Dead, Topics and Questions
The Church of Jesus Christ of Latter-day Saints
Official LDS source teaching proxy baptisms in temples for deceased people who did not have the opportunity for baptism.
Marriage, Topics and Questions
The Church of Jesus Christ of Latter-day Saints
Official LDS source teaching that eternal marriage by temple sealing is necessary for exaltation in the highest celestial glory.
Sealing, Topics and Questions
The Church of Jesus Christ of Latter-day Saints
Official LDS source defining sealing as a temple ordinance that eternally unites spouses and family relationships.
Eternal Life, Topics and Questions
The Church of Jesus Christ of Latter-day Saints
Official LDS source identifying eternal life with exaltation and connecting it to priesthood, endowment, and marriage sealing ordinances.
Statistical Report, 2025
The Church of Jesus Christ of Latter-day Saints
Official 2025 statistical report showing global LDS membership, convert baptisms, missionaries, and temples.
Primary references
The argument rests on public Scripture, official LDS material, and Christian sources.
Godhead, Topics and Questions
The Church of Jesus Christ of Latter-day Saints
Official LDS teaching that the Father, Son, and Holy Ghost are distinct beings, one in purpose and doctrine.
Are 'Mormons' Christian?
The Church of Jesus Christ of Latter-day Saints
Official essay acknowledging LDS rejection of post-New Testament creeds and distinct restoration claims.
Nicene Creed
United States Conference of Catholic Bishops
Representative text of the historic Nicene confession of one God, the Trinity, and the eternal deity of Christ.
Validity of Baptism Conferred by Mormons
Vatican
Catholic explanation that LDS use of Father, Son, and Holy Spirit does not carry the same doctrinal meaning.
Gestis Verbisque on the Validity of the Sacraments
Vatican
2024 Vatican doctrinal note repeating that LDS baptism is invalid because the same trinitarian words mean something essentially different.