Cross-Reference Analysis
Cross-Reference and Theme Analysis — 1 John → Czech
Methodology and Scope
This document catalogs every Old Testament quotation and allusion, every messianic reference, every typological pattern, and every substantive parallel to the Romans curriculum (the established baseline Language Package for Czech) found across the full text of 1 John, chapters 1–5. Unlike Romans, 1 John contains no formulaic introduced OT quotations (“as it is written…”); its OT usage is almost entirely allusive — narrative allusion (Cain and Abel), typological echo (the Day of Atonement, the “only son,” the serpent), and structural/legal principle (the two-or-three-witness rule). These are catalogued below with the same rigor as a direct quotation would receive, since allusive material carries equivalent translation risk for a low-biblical-literacy Czech readership — arguably greater risk, since an allusion supplies no explicit citation marker alerting the reader that background knowledge is being assumed.
Citation format: all Scripture references in this document use the normalizable English citation style mandated for this analysis layer (e.g., “Genesis 15:6”, “Galatians 2:16”). Phase 2 translation output must convert these to the Czech Ecumenical Translation (ČEP) citation convention already established in the baseline (Genesis 15,6 / book name per ČEP list; 1 John = 1. Janův list, commonly cited 1 J), per 12_ai_translation_requirements.md’s Cross-Reference Preservation Rules.
Translation sensitivity ratings use the same Critical/High/Medium/Low framework as doctrine_risk_registry.json and bible_term_registry.json, applied specifically to the cross-referencing risk (i.e., the risk that the OT/typological/Romans connection is lost, flattened, or misconstrued in Czech), which may differ from the term-level risk already assigned in 07_semantic_analysis.md.
Cross-Reference Matrix
Chapter 1 — Prologue, Light, Fellowship, Confession
| Passage (1 John) | Theme | Related Character(s) | OT/NT Connection | Translation Sensitivity |
|---|---|---|---|---|
| 1 John 1:1 | Eternality of the Word; Incarnation testimony | Jesus Christ (the Word of life) | Genesis 1:1 (“In the beginning…”); John 1:1-3, 14 (the Logos made flesh) | High. “Od počátku” (from the beginning) must recall Genesis’ cosmic beginning and John’s Logos-Christology, not merely “the start of this letter’s argument.” Requires John 1:1 background to be supplied, since it cannot be assumed. |
| 1 John 1:2 | Eternal life manifested | Jesus Christ; the Father | John 1:4, 14:6 (Christ as life); parallels Romans 6:23 (“the gift of God is eternal life”) | Medium. First occurrence of ζωὴ αἰώνιος (see 08 glossary, Critical term); cross-reference to Romans 6:23 should use identical “věčný život” phrasing. |
| 1 John 1:3, 6-7 | Fellowship — vertical and horizontal | Father, Son, believers | 1 Corinthians 1:9 (fellowship of God’s Son); parallels Romans 12:4-5 (one body) | Low-Medium. Baseline term (společenství); new theological weight is the dual, inseparable vertical/horizontal structure — flag for explicit teaching even though lexical risk is Low. |
| 1 John 1:5 | God is Light | God (no human character) | Genesis 1:3-4 (light created, separated from darkness); Psalm 27:1 (“The LORD is my light”); Isaiah 60:19-20 (the LORD as everlasting light); 1 Timothy 6:16 (God dwelling in unapproachable light) | Critical. Second of the letter’s two “God is ___” identity statements (with 4:8, 16). Must be built up as moral purity/self-revealing truthfulness, not physical brightness; the Genesis creation-light background is a genuine asset if made explicit. |
| 1 John 1:7 | Cleansing through Christ’s blood | Jesus Christ | Leviticus 17:11 (“the blood makes atonement… it is the blood that makes atonement”); Hebrews 9:22 | High. Sacrificial-substitutionary background (Levitical) must be supplied; without it, “krev” (blood) risks reading as merely gruesome. |
| 1 John 1:9 | Confession and Forgiveness of Sin | God (Father) | Exodus 34:6-7 (the LORD, faithful and forgiving iniquity); Psalm 51:1-4 (David’s confession); Proverbs 28:13 | High. “Faithful and just” (věrný a spravedlivý) must not collapse “spravedlivý” into mere civic fairness (baseline risk); parallels Romans 3:26 (God’s own righteousness in justifying the one who has faith). |
| 1 John 1:10 | Denial of sin as self-deception/making God a liar | — | Contrasts implicitly with Psalm 51:3-5 (open confession as the opposite pattern) | Medium. See ψεύστης (liar) treatment in 07/08; the specific claim to sinlessness is the pastoral target. |
Chapter 2 — Advocate, Commandment, Antichrist, Anointing
| Passage (1 John) | Theme | Related Character(s) | OT/NT Connection | Translation Sensitivity |
|---|---|---|---|---|
| 1 John 2:1-2 | Christ’s advocacy and atoning sacrifice | Jesus Christ (the righteous); the devil (implicit accuser role) | Leviticus 16 (Day of Atonement ritual); Zechariah 3:1-5 (Satan the Accuser opposed by the angel of the LORD defending Joshua the high priest — typological forerunner of the advocate motif); parallels Romans 8:34 (Christ interceding at God’s right hand) and Romans 3:25 (ἱλαστήριον, “mercy seat”/place of atonement) | Critical. This is the letter’s first use of ἱλασμός; establish the rendering-consistency rule with Romans 3:25 below (both → “oběť smíření”). The Zechariah 3 courtroom-accusation typology is a valuable but non-obvious background that must be actively supplied. |
| 1 John 2:6 | Walking as Christ walked | Jesus Christ | Genesis 5:22, 24 (Enoch “walked with God” — idiom precedent); parallels Romans 6:4 (“walk in newness of life”) | Medium. See περιπατέω treatment (07/08); direct lexical/thematic parallel to Romans 6:4’s walking metaphor should be flagged in teaching notes. |
| 1 John 2:7-8 | Old/new commandment — the love command | — | Leviticus 19:18 (“love your neighbor as yourself”); John 13:34 (the new commandment); parallels Romans 13:9-10 (love fulfills the law, citing the Decalogue and Leviticus 19:18) | Medium. Both curricula (1 John and Romans) invoke the same Leviticus 19:18 text; Czech OT quotation, where quoted in teaching material, must use identical ČEP wording in both curricula (see Rendering-Consistency Rules below). |
| 1 John 2:13-14 | Eternality/victory over the evil one | ”young men,” “fathers”; the evil one | Continues 1:1’s “from the beginning” theme; 1 Samuel 17 (youthful strength/victory, loosely analogous) | Low-Medium. Note the distinct sense of “fathers” here (a form of congregational address) vs. God as Father — keep lexically and contextually distinct per 08 glossary note. |
| 1 John 2:15-17 | Overcoming the world; the world passing away | — | Ecclesiastes 1:2, 2:11 (the vanity/transience of worldly pursuits); parallels Romans 12:2 (“do not be conformed to this world”); James 4:4 | High. See κόσμος treatment (07/08, Critical/High risk term); the “passing away” motif gives useful eschatological contrast material. |
| 1 John 2:18-19 | Antichrist; the last hour; apostasy | Antichrist figure(s); those who “went out from us” | Daniel 7:25, 11:36 (eschatological God-opposing figure typology); 2 Thessalonians 2:3-4 (the man of lawlessness); Matthew 24:24 (false christs/false prophets) | Critical. See ἀντίχριστος film-collision risk (07/08); the Daniel/2 Thessalonians background is essential context that a secular reader has no independent access to and that must be supplied to correctly frame “antikrist” as a doctrinal category, not a horror-genre reference. |
| 1 John 2:20, 27 | Anointing — the Spirit’s inward teaching | Holy Spirit; typological echo of David, priests | 1 Samuel 16:13 (Samuel anoints David); Exodus 30:30 (anointing of priests); Isaiah 61:1 (the Spirit of the Lord anoints the Servant — messianic, quoted by Jesus in Luke 4:18); Joel 2:28 (the Spirit poured out on all flesh) | High. “Pomazání” needs the entire OT royal/priestly-anointing background constructed from scratch (07/08); the wordplay with Χριστός/Kristus (“the Anointed One”) is worth surfacing explicitly for a Czech reader, since “Kristus” itself is etymologically “the Anointed One” — a connection not visible in the transliterated proper name alone. |
| 1 John 2:22 | Denial of the Messiah; antichrist defined | Jesus (the Christ) | Psalm 2:2 (“against his Anointed”); Daniel 9:25-26 (Messiah cut off); parallels Romans 9:5 and Romans 10:9 (confession of Christ’s identity) | Critical. Direct structural counterpart to Romans 10:9’s confession; see Rendering-Consistency Rules below. |
| 1 John 2:29 | New birth evidenced by righteous practice | — | Ezekiel 36:26-27 (new heart, new spirit); Jeremiah 31:33 (new covenant law written on the heart) | Critical. First occurrence of the γεννάω “born of God” refrain (see 07/08); the Ezekiel/Jeremiah new-covenant background gives concrete OT grounding for what would otherwise be an entirely unfamiliar concept. |
Chapter 3 — Children of God, Cain, Sacrificial Love
| Passage (1 John) | Theme | Related Character(s) | OT/NT Connection | Translation Sensitivity |
|---|---|---|---|---|
| 1 John 3:1-2 | Children of God; future glory | Believers; the Father | Hosea 1:10 (“sons of the living God”); Deuteronomy 14:1 (“you are sons of the LORD your God”); parallels Romans 8:14-17, 19 (Spirit of adoption; sons of God; glory to be revealed) | High. Must be actively distinguished from Romans’ forensic-adoption metaphor rather than merged with it (see Rendering-Consistency Rules below and 08 glossary). |
| 1 John 3:4-5 | Sin as lawlessness; Christ’s sinless sin-bearing | Jesus Christ | Isaiah 53:4-6, 11-12 (Suffering Servant bears sin); John 1:29 (“Lamb of God who takes away sin”) | High. See ἀνομία treatment (07/08); Isaiah 53 background gives the sin-bearing act OT depth otherwise absent for a secular reader. |
| 1 John 3:8 | The devil’s origin in sin; cosmic conflict | The devil; (implicit) the serpent | Genesis 3:1-15 (the serpent’s deception; the protoevangelium, “he shall bruise your head,” Genesis 3:15); John 8:44 | Medium. See διάβολος treatment (07/08, “ďábel” vs. folkloric “čert”); Genesis 3 typology should be surfaced to root the devil’s character in the Fall narrative, not left as an undefined abstract antagonist. |
| 1 John 3:12 | Cain and Abel — hatred as the negative type of “not loving the brother” | Cain, Abel | Genesis 4:1-16 (direct narrative allusion, named) | Medium. This is 1 John’s only explicitly named OT character reference; ensure “bratr” here retains both the literal sibling sense (Genesis narrative) and its extension to fellow-believer (1 John’s application) are both visible — the verse itself is the bridge between the two senses. |
| 1 John 3:13 | The world’s hatred of believers | — | Continues Cain/Abel typology; John 15:18-19 | Medium. |
| 1 John 3:16 | Sacrificial love modeled on Christ | Jesus Christ (the Good Shepherd) | Isaiah 53:10-12 (the Servant poured out his life); John 10:11, 15, 17-18 | Medium. Parallels Romans 5:8 (“Christ died for us”); see rendering-consistency note on “laying down life” vs. Romans’ “died for” language — complementary, not identical vocabulary. |
| 1 John 3:17 | Concrete love in material generosity | — | Deuteronomy 15:7-11 (open hand to the poor); Proverbs 21:13 | Low. |
| 1 John 3:20 | God’s greater knowledge grounding assurance | God | Psalm 103:14 (God knows our frame); parallels Romans 8:1 (no condemnation) | Medium. |
| 1 John 3:23 | The unified commandment: believe and love | — | Deuteronomy 6:4-5 (the Shema); Leviticus 19:18; John 13:34; parallels Romans 13:8-10 | Medium. Same dual-command background as 2:7-8 above; consistency rule applies. |
Chapter 4 — Core Passage (4:7–21) and Testing the Spirits (4:1–6)
| Passage (1 John) | Theme | Related Character(s) | OT/NT Connection | Translation Sensitivity |
|---|---|---|---|---|
| 1 John 4:1 | Testing the spirits | False prophets; the Spirit of God | Deuteronomy 13:1-5 (testing a prophet by whether he leads Israel astray from the LORD); Deuteronomy 18:20-22 (test of a false prophetic word); 1 Kings 22 (true vs. false prophets before the king); Matthew 7:15-20 (false prophets known by their fruit) | High. The Deuteronomy legal-test background reframes “testing spirits” as a sober doctrinal-discernment procedure with OT precedent, actively countering the ghost-folklore drift risk flagged in 07/08. |
| 1 John 4:2-3 | Confession of the Incarnation; the spirit of antichrist | Jesus Christ | Isaiah 7:14 (“Immanuel,” quoted Matthew 1:23); parallels Romans 1:3-4 (descended from David according to the flesh, declared Son of God) and Romans 8:3 (God sending his own Son in the likeness of sinful flesh) | Critical. This is 1 John’s own doctrinal test-formula for the baseline’s “vtělení” (incarnation) concept. Establish explicit rendering-consistency rule with Romans 1:3/8:3’s use of “tělo” (flesh) in its positive, incarnational sense — see Rendering-Consistency Rules below. |
| 1 John 4:4 | Victory through God’s indwelling presence | Believers; “he who is in you” (the Spirit/God) | 2 Kings 6:16 (“those with us are more than those with them” — typological echo of divine reinforcement against overwhelming odds); parallels Romans 8:31, 37 | High. See νικάω treatment; must ground victory in divine presence, not self-effort. |
| 1 John 4:7-8 | God is Love; new birth; knowing God | God | Deuteronomy 7:7-8 (God’s electing love as the ground of covenant, not Israel’s merit); Hosea 11:1, 4 (God’s covenant love for Israel, parental imagery); parallels Romans 5:5, 8 (God’s love poured into hearts; Christ died for us while sinners) | Critical. Thesis statement of the letter and the passage; see full treatment in 07/08. Romans 5:5/5:8 is the single most important Romans parallel for this verse and should be cross-taught wherever this verse is presented. |
| 1 John 4:9-10 | God’s love enacted: the sending of the only Son; propitiation | Jesus Christ; the Father; (typological) Abraham and Isaac | Genesis 22:2, 12, 16 (Abraham’s “only son” Isaac — typological foreshadowing of the Father giving his own unique Son); Isaiah 53 (the Servant given for others); parallels Romans 5:8 and Romans 8:32 (“he did not spare his own Son”) | Critical. See Rendering-Consistency Rules below for the distinct-but-connected “jediný Syn” / “vlastní Syn” vocabulary and the Genesis 22 typological link, which must be actively surfaced since it is not otherwise recoverable from the Czech text alone. |
| 1 John 4:12-13 | Mutual indwelling; the Spirit’s gift | God; Holy Spirit | Parallels Romans 8:9-11 (the Spirit dwelling in believers) | Medium. |
| 1 John 4:14 | Jesus as Savior of the world | Jesus Christ; the Father | Isaiah 43:11, 45:21 (“I am the LORD, and besides me there is no savior”); parallels Romans 1:16 and Romans 10:12-13 (universal scope of the gospel) | Critical. See “Spasitel” treatment (07/08); the Isaiah “no savior besides me” background gives exclusivity content that must be made explicit. |
| 1 John 4:15 | Confession: Jesus is the Son of God | Jesus Christ | Parallels Romans 10:9 (“Jesus is Lord”) as a structurally identical salvation-confession | Critical. See Rendering-Consistency Rules below — both confessions require the identical explanatory-note treatment the baseline mandates. |
| 1 John 4:17-18 | Confidence at the judgment; love displacing fear | God; believers | Parallels Romans 8:1 (no condemnation), Romans 8:15 (not a spirit of slavery to fear), Romans 8:31-39 (nothing can separate) | High. This is the single richest Romans-8 parallel cluster in the letter; teaching material should cross-reference all three Romans passages together. |
| 1 John 4:19-21 | Responsive love; love for God and brother inseparable | — | Deuteronomy 6:5 and Leviticus 19:18 combined (cf. Mark 12:29-31, quoting both together); parallels Romans 13:8-10 | Medium. Same dual-command background as 2:7-8 and 3:23; apply the consistency rule below. |
Chapter 5 — Faith’s Victory, Triple Witness, Eternal Life
| Passage (1 John) | Theme | Related Character(s) | OT/NT Connection | Translation Sensitivity |
|---|---|---|---|---|
| 1 John 5:1 | Faith in the Christ; new birth | Jesus (the Christ) | Parallels Romans 10:9-10 (confession and faith unto salvation) | Critical. |
| 1 John 5:4-5 | Overcoming the world by faith | Believers | Loosely analogous to 1 Samuel 17 (faith-driven victory against overwhelming odds, optional teaching illustration); parallels Romans 8:37 (“more than conquerors”) | High. |
| 1 John 5:6-8 | The threefold witness: Spirit, water, blood | Jesus Christ; Holy Spirit | Deuteronomy 19:15 (the two-or-three-witness rule establishing a legal matter — direct legal-principle allusion); John 19:34 (water and blood from Jesus’s pierced side); Matthew 3:16-17 (Jesus’s baptism, water); parallels Matthew 18:16 and 2 Corinthians 13:1 (same Deuteronomy principle applied elsewhere in the NT) | High. The Deuteronomy 19:15 legal background is essential and non-obvious; without it, the “three witnesses” reads as a cryptic triad rather than a legal-style convergence of testimony establishing Jesus’s identity beyond doubt. |
| 1 John 5:9-10 | God’s testimony versus human testimony | God (Father); believers who disbelieve | Deuteronomy 19:15 (continued); John 5:31-37 (John the Baptist’s testimony; the Father’s testimony) | Medium. |
| 1 John 5:11-13 | Eternal life given in the Son; assurance | Jesus Christ (the Son) | Parallels Romans 6:23 (“the gift of God is eternal life”) and Romans 8:16 (the Spirit bears witness that we are children of God) | Critical. The letter’s explicit purpose statement (5:13); both Romans parallels should be taught alongside this verse using identical Czech phrasing for “věčný život.” |
| 1 John 5:14-15 | Confidence in prayer | God | Parallels Romans 8:26-27 (the Spirit intercedes); James 5:14-16 | Medium. |
| 1 John 5:16-17 | Sin leading to death | A “brother” who sins | Numbers 15:27-31 (distinction between unintentional sin and deliberate, “high-handed” sin cut off from the people); 1 Samuel 2:25 (Eli’s sons — a case with no intercession); parallels Hebrews 6:4-6 and Hebrews 10:26-29 (comparable NT warning passages) | High. See the Catholic mortal-sin/venial-sin collision risk flagged in 07/08; the Numbers 15 / 1 Samuel 2 background supplies the letter’s own OT-rooted category (deliberate, unrepentant rejection) as the corrective to that collision, and should be actively taught as the alternative framework. |
| 1 John 5:18-19 | New birth’s freedom from sin’s dominion; the evil one’s rule over the world | Believers; the evil one (Satan) | Genesis 3 (the serpent, cosmic origin of evil, continued from 3:8); parallels Romans 6 (freedom from sin’s dominion) and Romans 8:38-39 (nothing separates from God’s love) | Medium. |
| 1 John 5:20 | Knowing the true God through the Son | Jesus Christ (the Son); the Father | John 17:3 (eternal life defined as knowing the true God and Jesus Christ); Jeremiah 9:23-24 (knowing the LORD as the only worthy boast); Isaiah 65:16 (“the God of truth”/“the God of Amen”) | Medium. |
| 1 John 5:21 | Warning against idols | — | Exodus 20:3-4 (first and second commandments); Deuteronomy 4:15-19; Psalm 115:4-8; Isaiah 44:9-20 (idol polemics); 1 Corinthians 10:14 (“flee from idolatry”); parallels Romans 1:23, 25 (exchanging the glory of God for images/idols) | Critical. See celebrity-loanword collision risk flagged in 07/08. The letter’s climactic final sentence must not be trivialized; see Rendering-Consistency Rules below linking this verse to Romans 1:23/25. |
Typology Summary
| Type (OT) | Antitype/Fulfillment (1 John) | Notes for Czech Teaching Material |
|---|---|---|
| The serpent’s primeval deception (Genesis 3:1-15) | The devil as the original sinner; antichrist figures as his ongoing agents (1 John 3:8; 2:18-22) | Distinguish sharply from folkloric “čert” imagery; this is the same cosmic-conflict narrative that grounds Romans’s briefer references to Satan (Romans 16:20). |
| Isaac, Abraham’s “only son” (Genesis 22:2, 12, 16) | God’s “only/unique Son,” given up (1 John 4:9-10; cf. Romans 8:32) | A high-value teaching connection largely invisible in the Czech text alone; must be actively drawn out, since Czech readers cannot be assumed to know the Genesis 22 narrative. |
| The Day of Atonement scapegoat and sacrificial blood (Leviticus 16; 17:11) | Christ as ἱλασμός/oběť smíření, whose blood cleanses (1 John 1:7; 2:2; 4:10) | Same typological background underlies Romans 3:25’s ἱλαστήριον; teach both together. |
| Cain’s murder of Abel (Genesis 4:1-16) | The negative type of failing to love the brother; contrasted with Christ’s laying down his life (1 John 3:12, 16) | The letter’s only directly named OT narrative; a strong, concrete teaching anchor — use it deliberately as the entry point into “Love for the Brethren.” |
| The anointing of prophets, priests, and kings (1 Samuel 16:13; Exodus 30:30; Isaiah 61:1) | The Spirit’s anointing of every believer (1 John 2:20, 27) | Worth explicitly noting the Χριστός/Kristus (“Anointed One”) wordplay, invisible in the transliterated Czech proper name “Kristus” without comment. |
| The Deuteronomic two-or-three-witness rule (Deuteronomy 19:15) | The Spirit, water, and blood as converging witnesses to Christ (1 John 5:6-8) | Establish once and reuse for any future curriculum touching Matthew 18:16 or 2 Corinthians 13:1. |
| The Suffering Servant who bears sin and pours out his life (Isaiah 53) | Christ who “appeared to take away sins” and “laid down his life” (1 John 3:5, 16) | Same Isaiah 53 background that undergirds Romans’s atonement theology broadly; reinforce cross-curricular continuity. |
Messianic References Summary
| Passage | Messianic Claim | Cross-Curriculum Note |
|---|---|---|
| 1 John 1:1-3 | The eternal Word of life made perceptible in history | Complements Romans 1:3-4’s Davidic-descent/resurrection messianic argument |
| 1 John 2:22 | Denial that “Jesus is the Christ” defines antichrist | Direct structural counterpart to Romans 9:5 and 10:9 |
| 1 John 2:20, 27 | The Anointed One’s people share his anointing | Wordplay with “Kristus” (see typology table) |
| 1 John 4:2-3 | Confession of the incarnate Christ as the doctrinal test | Directly extends baseline “vtělení” (incarnation) and parallels Romans 1:3, 8:3 |
| 1 John 4:14 | Jesus sent as Savior of the world | Parallels Romans 1:16, 10:12-13 (universal gospel scope) |
| 1 John 4:15; 5:1 | Confession/faith that Jesus is the Son of God/the Christ | Structural parallel to Romans 10:9-10 |
| 1 John 5:20 | The Son of God has come, giving true knowledge of God | Complements Romans’s Christ-centered epistemology (e.g., Romans 1:19-20 general revelation vs. this specific revelation) |
Rendering-Consistency Rules for Shared Quotations and Parallels with Romans
These rules govern Phase 2 translation whenever a segment in the 1 John curriculum shares a quotation, near-quotation, or theologically load-bearing parallel with the Romans curriculum. They extend, but never contradict, the baseline’s existing Theological Consistency Rules table.
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ἱλασμός (1 John 2:2; 4:10) ↔ ἱλαστήριον (Romans 3:25). Both render as oběť smíření. Though the Greek head-nouns differ (a general “means of propitiation” noun vs. the specific cultic “mercy seat” term), both must be taught as the same doctrinal reality — Christ himself as the God-provided means by which his own righteous judgment against sin is satisfied. Teaching notes referencing both passages together must use identical phrasing and may explicitly state the shared Czech rendering.
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“Only Son” (1 John 4:9, μονογενής, → jediný Syn) ↔ “his own Son” (Romans 8:32, ἴδιος υἱός, → svého vlastního Syna). Do not synonymize these into one fixed Czech phrase across both curricula — they are distinct Greek constructions with distinct emphases (uniqueness vs. personal ownership/cost). Retain the distinct renderings, but teaching material must explicitly connect them via the shared Genesis 22 (Abraham/Isaac) typological background, since the Czech text alone will not surface this link for the reader.
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Confession formulas. Romans 10:9 (“Ježíš je Pán”) and 1 John’s three confession statements — 2:22 (“Jesus is the Christ”), 4:15 (“Jesus is the Son of God”), 5:1 (“Jesus is the Christ”) — are structurally identical salvation-confession patterns. Every occurrence in either curriculum must receive the same explanatory-note treatment mandated by the baseline for Romans 10:9 (i.e., a note that capitalization/theological status alone is an insufficient signal and the claim must be actively taught). Where feasible, use parallel Czech sentence structure across the two curricula (“Ježíš je Pán” / “Ježíš je Syn Boží” / “Ježíš je Kristus”) so a learner moving between Romans and 1 John recognizes the same confessional pattern.
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Children of God (1 John 3:1-2, τέκνα θεοῦ, → děti Boží) ↔ Adoption (Romans 8:15, υἱοθεσία, → přijetí za syna). These are two distinct biblical metaphors (Johannine organic new-birth imagery vs. Pauline forensic-legal adoption imagery) for a related but not identical theological point. Do not merge or synonymize these renderings. When cross-referenced, teaching material must name both images explicitly as complementary pictures of the same underlying reality (becoming part of God’s family), not treat one as a mere restatement of the other.
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The dual love-command (Deuteronomy 6:5 + Leviticus 19:18). Both Romans 13:9-10 and 1 John (2:7-8; 3:23; 4:19-21) draw on this OT pairing. Any direct Old Testament quotation of Deuteronomy 6:5 or Leviticus 19:18 appearing in teaching material for either curriculum must use the identical Czech Ecumenical Translation (ČEP) wording, not an independently retranslated form, so that a learner recognizes the same underlying OT text being invoked in both books.
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Deuteronomy 19:15 (the witness principle). Shared by 1 John 5:6-8 and (in other NT texts, relevant to future curricula in this pipeline) Matthew 18:16 and 2 Corinthians 13:1. Render “witness”/“testimony” vocabulary as svědek/svědectví consistently; if a future Language Package curriculum in this pipeline treats Matthew 18 or 2 Corinthians 13, reuse the identical Czech phrasing established here for the Deuteronomy quotation.
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εἴδωλα/idols (1 John 5:21) ↔ Romans 1:23, 25 (idol-exchange language). Though the Greek vocabulary differs slightly, both concern the same doctrinal boundary: exclusive worship of the true God versus a substitute object of ultimate devotion. Czech must use “modly,” never the loanword “idoly,” in both curricula, both to avoid the celebrity-collision risk documented in
07_semantic_analysis.md/08_core_glossary.mdand to keep the Romans 1 idolatry critique and the 1 John 5:21 climactic warning lexically aligned as instances of the same doctrine. -
σάρξ/flesh — negative (Romans 7:5, 18; 8:3-9; 1 John 2:16) vs. positive/incarnational (Romans 1:3, 8:3; 1 John 4:2). Both curricula render σάρξ as tělo throughout. Because the same Czech word carries both senses without disambiguation, every occurrence in teaching material — in either curriculum — must have its governing sense (sinful human nature vs. genuine physical humanity of Christ) flagged explicitly in an accompanying note, never left to the bare word alone.
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νικάω/overcome (1 John 4:4; 5:4-5) ↔ Romans 8:37 (ὑπερνικῶμεν, “more than conquerors”). Use the same Czech victory-vocabulary family (přemáhat/zvítězit/vítězství) in both curricula, and attach the same corrective note in both: this victory is grounded in God’s indwelling presence and Christ’s finished work, not in human effort, willpower, or self-help achievement — guarding against the secular competitive-achievement drift risk flagged for “zvítězit” in both curricula independently.
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New birth (1 John’s γεννάω, “born of God”) and Romans’s death/resurrection-with-Christ and Spirit-indwelling language (Romans 6:1-11; 8:9-11). These have no shared Greek vocabulary and must NOT be forced into identical Czech phrasing, but they describe the same underlying reality (regeneration) through two complementary biblical images (Johannine birth vs. Pauline death-and-resurrection/indwelling). When both curricula are studied in sequence, teaching material should explicitly name both images as complementary rather than allow a learner to assume 1 John is merely restating Romans in different words.
Full-Book Coverage Confirmation
Every chapter of 1 John (1–5) has been reviewed for OT quotation/allusion, messianic reference, typology, and Romans-parallel content:
- Chapter 1: 7 cross-references catalogued (Word of life/Genesis-John Logos background; God is Light/Genesis-Psalms-Isaiah; blood-cleansing/Leviticus; confession-forgiveness/Exodus-Psalms).
- Chapter 2: 9 cross-references catalogued (Advocate/Leviticus-Zechariah-Romans 8:34; love command/Leviticus 19:18-Romans 13; antichrist/Daniel-2 Thessalonians; anointing/1 Samuel-Isaiah 61-Joel; Messiah denial/Psalm 2-Daniel 9; new birth/Ezekiel-Jeremiah).
- Chapter 3: 9 cross-references catalogued (children of God/Hosea-Deuteronomy-Romans 8; sin-bearing/Isaiah 53; devil’s origin/Genesis 3; Cain and Abel/Genesis 4 — the letter’s only named OT character reference; sacrificial love/Isaiah 53-John 10).
- Chapter 4: 11 cross-references catalogued, including the full core passage (4:7-21) plus the testing-the-spirits section (4:1-6): Deuteronomy 13/18 testing-prophets background; Isaiah 7:14/Romans 1:3, 8:3 incarnation parallel; Genesis 22/Romans 8:32 only-Son typology; Isaiah 43/45 Savior exclusivity; the richest cluster of Romans 8 parallels in the letter.
- Chapter 5: 11 cross-references catalogued (Deuteronomy 19:15 witness-rule; Numbers 15/1 Samuel 2 sin-unto-death background; Exodus 20/Isaiah 44 idol polemics/Romans 1:23,25).
No chapter is silently omitted. Ten explicit rendering-consistency rules have been established governing every identified point of lexical or conceptual overlap with the Romans baseline Language Package.