ris3n's Apologetics Codex

Concept

Mosaic Law

Intro

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The Mosaic Law is the body of commandments God gave through Moses on Mount Sinai and during the wilderness journey that followed. It is what the Old Testament calls "the Law" or "the Torah." It made Israel into a specific nation with a specific identity.

The Christian tradition has long divided the Law into three parts. The moral law covers the basic commandments about how to treat God and neighbor. The Ten Commandments are the clearest example. These commandments reflect God's unchanging character, and Christians generally hold that they still apply today, though Jesus internalized and intensified them in the Sermon on the Mount.

The civil or judicial law gave Israel its national legal code: how property disputes were settled, how courts worked, how penalties were assigned. This part was for Israel as a nation in the land God gave them. With the arrival of the New Covenant and the worldwide church, this code is no longer in force the way it once was.

The ceremonial or cultic law covered Israel's worship system: the priesthood, the sacrifices, the temple, the festivals, the purity rules. The New Testament book of Hebrews is the most thorough Christian treatment of this part. Hebrews says these laws were always pointing forward to Christ, who is the true Priest, the true Sacrifice, and the true Temple. When He arrived, they were fulfilled, and so the ceremonial system came to an end.

This three-part framework is not without internal Christian debate, but it explains why Christians still hold to "do not murder" while not sacrificing animals or stoning Sabbath-breakers. The arrival of Christ marks the turning point. The Law that defined the Old Covenant is fulfilled, and the church now lives under the New.

In full

The legal corpus mediated through Moses at Sinai and across the wilderness wanderings, comprising the moral commandments (paradigmatically the Decalogue, Exod 20), the civil / judicial code (Exod 21-23 and parallels), and the ceremonial / cultic prescriptions (Leviticus; Numbers; tabernacle, sacrifice, priesthood, purity, festivals). It is the stipulative content of the Old Covenant and the legal system that defined Israel's covenant existence under God until the inauguration of the New Covenant in Christ.

Traditional tripartite division

Many Christian traditions (especially the Reformed) classify the Law in three categories, useful for parsing what the New Testament treats as continuing vs. abrogated:

  • Moral law, universal moral obligations grounded in God's character; epitomized by the Decalogue. Reformed and Catholic traditions generally treat this as continuing under the New Covenant, restated and intensified by Christ.
  • Civil / judicial law, the legal code governing Israel as a theocratic nation. Most traditions hold this is abrogated as binding national law, though Reformed thought retains its "general equity" as instructive.
  • Ceremonial law, sacrifices, priesthood, dietary rules, festivals, purity laws. Universally treated by traditional Christian theology as fulfilled in Christ and not binding under the New Covenant.

This tripartite classification is itself a post-biblical theological tool, Scripture does not explicitly divide the Law this way, and supersessionist / dispensational / Hebrew-Roots positions all critique the classification (from opposite directions).

Function in the biblical narrative

  • Reveals God's holiness and exposes human sin (Rom 3:20, 7:7-13).
  • Provides national constitution for Israel as a covenant people set apart.
  • Foreshadows Christ. Sacrifices, priesthood, tabernacle, and festal calendar all typologically anticipate the person and work of Christ (Heb 8-10; Col 2:16-17).
  • Functions as a tutor. "The Law has become our tutor to lead us to Christ, so that we may be justified by faith" (Galatians 3.24-25). See Law as Tutor (Paidagogos).
  • Cannot itself justify. Repeated sacrifice attests its inability to definitively remove sin (Heb 10:1-4); justification was always by faith (Rom 4; Gal 3).

Status under the New Covenant, the spread of positions

Are Christians Still Under The Law (ris3n) argues the strong supersessionist position: the Mosaic Law in its entirety is no longer the governing covenantal system. The article reads "the Law" monolithically, drawing on Heb 7:11-12 (change of priesthood entails change of law) and Heb 8:13 (the first covenant is obsolete).

Other major positions:

  • Reformed covenantal, moral law continues; ceremonial and civil are fulfilled / abrogated. The believer is freed from the Law as a covenant of works but remains bound to its moral content as the rule of life ("third use of the Law").
  • Lutheran, emphasizes the Law's accusatory function (revealing sin and driving to Christ); the moral law remains pertinent ethically but is sharply distinguished from the gospel.
  • Dispensational, the believer is in a new dispensation under grace; the Mosaic Law is not directly binding, though its moral principles often re-appear in New Testament commands.
  • New Covenant Theology, the entire Mosaic Law (including the moral law qua Mosaic) is superseded; Christ's law (as taught by Christ and the apostles) is the New Covenant ethical code.
  • Theonomy / Christian Reconstruction, the Mosaic civil law (in its general equity) remains binding for civil polity.
  • Hebrew Roots / Messianic / Torah-observant Christianity, the Torah remains binding for believers (with varying scope by sub-tradition).

The biblical case for non-binding status (added 2026-05-02)

The supersessionist / NCT position, that the Mosaic Law is no longer the governing covenant for those in Christ, is built from a converging multi-text NT argument. The structured form is in Christians Not Under Mosaic Law (syllogism, with full premise-by-premise scriptural backing); the load-bearing texts gathered here:

Direct "not under the Law" statements:

  • Rom 6:14, "you are not under law but under grace"
  • Rom 6:15, Paul anticipates the antinomian objection ("May it never be!")
  • Rom 7:4-6, believers "have died to the Law" through the body of Christ; "released from the Law"
  • Gal 5:18, "if you are led by the Spirit, you are not under the Law"
  • 1 Cor 9:20-21, Paul: "though not being myself under the Law... but under the law of Christ"

Covenantal-transition texts:

  • Heb 7:11-12, change of priesthood entails change of law
  • Heb 7:18-19, "setting aside of a former commandment... weakness and uselessness"
  • Heb 7:28, the Son's appointment post-dates and supersedes the Law's appointments
  • Heb 8:13, Old Covenant "obsolete... ready to disappear"
  • Heb 9:10, first-covenant regulations "imposed until a time of reformation"
  • Heb 9:15, Christ as mediator of a new covenant, redeeming "the transgressions that were committed under the first covenant"
  • Heb 12:24, Christ is "the mediator of a new covenant"
  • 2 Cor 3:6-11, "the ministry of death... is fading"; the new ministry is "of the Spirit, not the letter"
  • Eph 2:14-16, Christ "abolished... the Law of commandments contained in ordinances"
  • Col 2:14-17, "having canceled out the certificate of debt... nailed it to the cross"; Sabbath / festival / new moon / dietary practices are "shadow... substance is Christ"
  • Gal 4:21-31, Hagar/Sarah allegory: Sinai-covenant displaced

Christ-as-fulfillment texts:

  • Mt 5:17, "I did not come to abolish but to fulfill" (plērōsai); Mt 5:21-48 shows what fulfillment looks like (interiorization of law)
  • Rom 10:4, Christ is the telos (goal/end) of the Law for righteousness
  • Lk 24:27, 44, "all things... in the Law of Moses... must be fulfilled"
  • Jn 5:39, 46, Moses "wrote about Me"
  • Jn 19:30, tetelestai, "It is finished"

New Covenant inauguration texts:

Apostolic ruling:

  • Acts 15:5-11, 19-20, 28-29, Jerusalem Council; Mosaic Law as "yoke" Gentiles need not bear; "no greater burden than these essentials"
  • Acts 21:25, ruling restated

The continuing law of Christ / law of the Spirit:

The cumulative weight of these texts, Hebrews' priesthood/covenant argument; Paul's "not under the Law"; the Last Supper covenant inauguration; the Jerusalem Council; the law-of-Christ formulations; Christ's own fulfilment language, converges on the position that Mosaic Law is not the binding covenantal system for New Covenant believers, while the moral content (love of God and neighbor) is intensified, internalized, and re-grounded in the Spirit's work.

The Matthew 5:17-18 counter-argument and its theological implications

The most-cited text against any "Law has ended" position is Mt 5:17-18:

"Do not think that I came to abolish the Law or the Prophets; I did not come to abolish but to fulfill. For truly I say to you, until heaven and earth pass away, not the smallest letter or stroke shall pass from the Law until all is accomplished."

Hebrew Roots, Torah-observant Christianity, Sabbatarianism, and (in modified form) Reformed third-use positions all anchor in this text. The supersessionist response, addressed at length in Christians Not Under Mosaic Law, turns on five points:

  1. The verb is plērōsai, "to fulfill," not "to enforce" or "to continue." The Greek lexicon-force is to fill out, complete, bring to its intended goal. Matthew uses plēroō across a fulfillment-formula sequence (Mt 1:22; 2:15, 17, 23; 4:14; 8:17; 12:17; 13:35; 21:4; 26:54, 56; 27:9) consistently meaning "the OT pointed forward; this NT event brings the pointing-to to its goal." Christ's mission is not to scrap the OT covenant but to bring it to its telos, exactly Romans 10:4.

  2. "Until all is accomplished", the qualifying clause. Mt 5:18 contains two time-markers: "until heaven and earth pass away" AND "until all is accomplished" (heōs an panta genētai). The first is hyperbolic-emphatic ("as long as creation stands"); the second is the substantive content, what is to be accomplished is Christ's redemptive work. Christ's "It is finished" (tetelestai, Jn 19:30) declares "all has been accomplished." The Law's pedagogical and sacrificial work is complete; the dependency clause "until" is satisfied.

  3. Matthew himself shows what fulfillment-not-abolition looks like. Mt 5:21-48 (the antitheses), Jesus intensifies and interiorizes the Law: not just murder, but anger; not just adultery, but lust; not just love-of-neighbor, but love-of-enemy. This is exactly the "law written on the heart" pattern of Jer 31:33. And the same Matthew records Jesus de-applying dietary law (Mt 15:11; Mk 7:19 makes the de-application explicit: "thus He declared all foods clean") and the new-covenant inauguration (Mt 26:28).

  4. Mt 5:17 is anti-Marcionite, not anti-supersessionist. The Law is not opposed to Christ (Marcion's heresy); the Law is holy, righteous, and good (Rom 7:12) and points to Christ. But "fulfilled" means "completed and brought to its goal," which is not the same as "continues unchanged." The Hebrew Roots reading conflates fulfillment with continuation, mistaking opposite relations to a previous reality.

  5. Theological implication, the cost of misreading Matt 5:17-18. To read the text as continuing-Mosaic-Law-binding is to put believers back under the paidagogos Christ delivered them out of (Gal 3:25), to re-impose the yoke the apostles refused at Jerusalem (Acts 15:10), and to risk Galatians 5:4, "fallen from grace." The pastoral cost of this misreading is severe: Christians convinced they must keep dietary laws, Sabbath in the Mosaic sense, and festal calendar are binding their own conscience to a covenant that has been fulfilled and superseded, and they are vulnerable to the legalistic spiral Paul confronted in Galatia.

Tensions

  • Monolithic vs. tripartite reading. ris3n's collapse of "the Law" into a single supersedable unit is contested by Reformed and Catholic traditions that hold continuing moral content. The supersessionist position can affirm continuing moral content under the law of Christ (Rom 13:8-10; Gal 5:14) without re-imposing the Mosaic covenantal form, this is the Wellum/Gentry "progressive covenantalism" mediating position.
  • Sabbath. Whether the Sabbath command is moral (continuing) or ceremonial (fulfilled) is a major fault line. ris3n's appeal to Mark 2:27-28 implies the latter; Sabbatarian (esp. SDA) and many Reformed treatments hold the former. Col 2:16 and Heb 4:1-11 are decisive against Sabbath-as-binding-Mosaic-day; whether Sunday Lord's-Day observance has independent NT warrant (Acts 20:7; 1 Cor 16:2; Rev 1:10) is a separate New Covenant question.
  • Food laws. ris3n cites Matt 15:11 to argue dietary laws are superseded; Hebrew Roots traditions resist this reading. Mark 7:19's editorial "thus He declared all foods clean" + Acts 10 + Rom 14:14 + 1 Tim 4:3-5 cumulatively settle the question on the supersessionist side.
  • Civil law. Theonomy holds Mosaic civil law has continuing application to civil society; nearly all other Christian traditions do not. The civil law's tie to Israel's theocratic-national context (Deut 5:2-3, "with us alive here today") and the New Covenant's transnational-multinational character (Rev 5:9) tell against direct civil-law continuation.
  • 2 Cor 3:7-11 vs Reformed third-use. Paul calls the Decalogue ministry "letters engraved on stones", a "ministry of death" that is fading. The third-use position must read this as referring only to the Decalogue as condemning system (not as moral content), but the text doesn't make that distinction. This is the strongest text against full-strength third-use.

See also