SYN-019
Creative option
layer: sentence
Use fragments deliberately
IF a fragment improves pace, voice, emphasis, dialogue realism, headline force, or UI economy AND its meaning is recoverable, THEN allow it ELSE complete it.
Why the rule exists
Fragments can be effective style choices when the context supplies what grammar omits.
Condition
The rule fires when this evaluates true. Paths marked below must be present in the fact base; the engine reports the rest rather than guessing them.
- sentence.fragment eq true
Facts this rule reads
| Path | Source |
|---|---|
sentence.fragment |
Derived from text |
Then
- verify — target
sentence.fragment_purpose - retain — target
sentence - complete — target
sentence
Else
- retain — target
current_text, No triggering condition is present.
LAKA
- Smallest sufficient intervention
- Yes
- Primary axes
Sources
-
Dreyer's English — Benjamin Dreyer
Practical modern editorial advice and stylistic judgment. -
On Writing: A Memoir of the Craft — Stephen King
Writing habits, revision, description, and storytelling craft. -
Steering the Craft — Ursula K. Le Guin
Sound, rhythm, syntax, point of view, and exercises. -
Microsoft Writing Style Guide — Microsoft
link
Warm, clear, concise, helpful technical communication.
The raw rule record
Verbatim from 09-syntax-and-sentence-rules.json. Also available at /v1/rules/SYN-019.
{
"id": "SYN-019",
"name": "Use fragments deliberately",
"domain": "syntax",
"layer": "sentence",
"strength": "creative_option",
"human_logic": "IF a fragment improves pace, voice, emphasis, dialogue realism, headline force, or UI economy AND its meaning is recoverable, THEN allow it ELSE complete it.",
"when": {
"path": "sentence.fragment",
"operator": "eq",
"value": true
},
"then": [
{
"action": "verify",
"target": "sentence.fragment_purpose",
"allowed": [
"pace",
"voice",
"emphasis",
"dialogue",
"headline",
"ui_label"
]
},
{
"action": "retain",
"target": "sentence",
"when": "purpose_valid_and_meaning_recoverable"
},
{
"action": "complete",
"target": "sentence",
"when": "purpose_invalid_or_ambiguous"
}
],
"else": [
{
"action": "retain",
"target": "current_text",
"reason": "No triggering condition is present."
}
],
"unless": [],
"because": "Fragments can be effective style choices when the context supplies what grammar omits.",
"diagnostics": [],
"examples": {},
"source_ids": [
"BK-005",
"BK-011",
"BK-019",
"WEB-004"
],
"laka": {
"smallest_sufficient_intervention": true,
"primary_axes": [
"scope",
"depth",
"magnitude",
"reversibility"
]
}
}
Other syntax rules
- SYN-001 Complete clause for formal prose IF a unit is presented as a formal prose sentence AND lacks an independent clause, THEN attach it, complete it, or label it as a fragment ELSE retain. Hard constraint
- SYN-002 Separate fused independent clauses IF adjacent independent clauses have no valid boundary, THEN add a coordinator and punctuation, a semicolon, or a period ELSE retain. Hard constraint
- SYN-003 Prefer visible actor–action order IF the reader must act or identify responsibility AND no stronger reason favors passive voice, THEN place the actor before the action ELSE retain. Context default
- SYN-004 Use passive voice for a reason IF a clause is passive, THEN retain it only when the receiver is the topic, the actor is unknown or irrelevant, blame should be softened, or domain convention requires it ELSE convert to active. Context default
- SYN-005 Put conditions before instructions IF an instruction applies only under a condition, THEN state the condition before the imperative ELSE give the action directly. Context default
- SYN-006 One principal action per procedural step IF a step contains multiple independently verifiable actions, THEN split them into ordered steps ELSE retain a tightly coupled action. Context default
- SYN-007 Limit nested clauses for general audiences IF clause nesting exceeds two levels AND the audience is not expert-only, THEN split or promote a buried clause ELSE retain necessary complexity. Heuristic
- SYN-008 Given information before new information IF a sentence introduces new information before the anchor it depends on, THEN reorder from shared context to new contribution ELSE retain a deliberate surprise. Heuristic