The Consistency of Biblical Christianity


Class Notes

I. Three Major Strains Within Christianity

Although Christianity is one religion, there are significant differences among groups that identify as Christian. These differences can be examined by applying worldview questions to each group.

II. Progressive or Liberal Christianity

A. Epistemology (How Knowledge is Obtained)

Historically, Christians have believed knowledge comes through:

  • Reason

  • Experience

  • General revelation (God revealed through creation)

  • Special revelation (God revealed through Scripture)

Progressive Christianity often emphasizes social or cultural agreement as a source of truth. Many progressive theologians teach that Scripture contains God’s Word but is not itself fully God’s Word.

B. Theology (View of God)

Progressive theology often emphasizes selected attributes of God, such as love or acceptance, while minimizing or redefining other attributes such as holiness or judgment.

C. Cosmology (Origins of the Universe)

Because progressive Christianity generally rejects biblical inerrancy, it typically embraces evolutionary explanations for creation.

D. Anthropology (View of Humanity)

Many progressive perspectives assume humanity begins morally neutral or good. Sin is often minimized or reinterpreted.

E. Ethics

Moral standards are frequently viewed as socially determined rather than fixed by divine revelation.

III. Roman Catholic and Eastern Orthodox Christianity

A. Epistemology

These traditions affirm that knowledge comes through:

  • Reason

  • Experience

  • General revelation

  • Special revelation

However, they place strong authority in church tradition, councils, and church leadership structures.

B. Theology

Roman Catholic and Eastern Orthodox theology share many similarities with Protestant theology but differ on certain doctrines, including:

  • The role of Mary

  • The procession of the Holy Spirit

  • The authority of church leadership structures

C. Cosmology

Both traditions generally affirm that God created the universe and allow for a range of views concerning evolutionary theory.

D. Anthropology

Both traditions teach:

  • Humanity is created in God’s image.

  • Humanity is fallen and affected by sin.

  • Humanity retains the ability to cooperate with God’s grace.

These traditions generally teach synergism, meaning salvation involves cooperation between divine grace and human response.

E. Ethics

Authority for morality is drawn from:

  • Church tradition

  • Church councils

  • Natural law

  • Historic teaching authority

IV. Theologically Conservative Christianity

A. Epistemology

Conservative Christianity affirms knowledge comes through:

  • Reason and experience (limited by sin)

  • General revelation

  • Special revelation (Scripture as the ultimate authority)

True knowledge and wisdom ultimately come from God and His revealed Word.

B. Theology

Conservative Christians learn about God through:

  • General revelation (creation)

  • Special revelation (Scripture)

Conservative Christianity teaches that Scripture is the final authority for understanding God. The London Baptist Confession summarizes biblical teaching by affirming that:

  • God is one eternal, infinite, and unchanging being.

  • God exists as Father, Son, and Holy Spirit.

  • God is sovereign over all creation.

Conservative Christians believe these doctrines because they are taught in Scripture not because the confession says so.

C. Cosmology

Conservative Christianity affirms that:

  • God created the universe.

  • Many conservative Christians believe God created the world in six literal days.

  • While Christians disagree about details of creation, all affirm that God is Creator.

D. Anthropology

Scripture teaches that:

  • Humans are created in God’s image.

  • Humanity is fallen and sinful.

  • People are naturally inclined toward sin.

  • Humanity requires salvation through Jesus Christ.

E. Ethics

Conservative Christian morality is based on God’s nature and God’s Word.

Conservative Christians believe moral truth is objective and revealed through:

  • God’s law written on the human conscience

  • Scripture as special revelation

V. The Consistency of the Biblical Worldview

Biblical Christianity claims to be a consistent worldview because:

  • It is based on God’s unchanging character.

  • It derives truth from Scripture rather than human opinion.

  • All aspects of Christian belief connect to divine revelation.

However, consistency requires:

  • Correct interpretation of Scripture

  • Faithful application of biblical teaching

  • Willingness to allow Scripture to correct personal beliefs

Christians are called to allow God’s Word to shape their worldview and transform their thinking.

VI. Why Consistency Matters

A consistent worldview is essential because it:

  • Strengthens Christian apologetics

  • Provides clarity in evangelism

  • Helps believers defend and explain their faith

  • Ensures that beliefs align with God’s revealed truth



Additional Resources

We spoke a lot about the differences between three strains of Christianity. You might be interested in learning more and I highly recommend this YouTube channel for it: https://www.youtube.com/@ReadyToHarvest. This channel is one of the clearest, neutral, and comprehensive channels to do denominational research through and I commend it (of course, use discernment).

These videos from Ready to Harvest relate most to what we spoke about on Sunday:

And just a few other resources:

Daniel L. Arter

Daniel L. Arter is a confessionally Reformed Baptist pastor, philosopher of religion, and apologist. He is currently pursuing a PhD in Applied Theology with an emphasis in Apologetics at Midwestern Baptist Theological Seminary.

His work lies at the intersection of systematic theology, philosophical theology, and philosophy of religion, with particular focus on theological method, epistemology, and presuppositional apologetics. He is especially concerned with articulating and defending the rational coherence and truth of the Christian worldview.

Daniel teaches apologetics and theology in church, academic, and conference settings in the United States and internationally. He resides in the Central Pennsylvania region with his wife, Natalie.

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Common Worldviews Today