{ "model": { "rank": 640, "code": "thing-q9128", "model_id": "vr.tr.light", "name": "light", "purpose": "Let an agent reason about light as a measurable condition of a place that enables or prevents other work, rather than as an on-off property of a lamp.", "family": "Thing Registry", "category": "Activities and processes", "status": "research-draft", "kind": "thing", "plane": "ACT", "domain": "ACT.ACT", "industry": "", "version": "", "url": "/models/thing/q9128/", "tier": 2, "score": 228, "payload": { "layer": "wikidata", "aliases": [ "snow lantern", "high-energy visible light", "nocturnal light", "Egryn Lights", "artificial light", "collimated light", "sunlight", "polychromatic light", "Purple light", "flash of light", "light stimulus", "light beam", "full-spectrum light", "white light", "airglow", "absorbed or reflected object light", "diffuse light", "diffused light", "visible spectrum", "natural light", "monochromatic radiation", "assimilation lighting", "sunlight through trees", "crepuscular ray", "laser beam", "glare", "sun glare" ], "aliasCount": 27, "merged": 27, "knownIn": 228, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": "vr.tr.light-communication", "source": { "dataset": "wikidata", "item": "Q9128", "url": "https://www.wikidata.org/wiki/Q9128", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-10T19:49:32Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 1, "engine": "claude" }, "metaModel": { "id": "THING-Q9128", "registryId": "vr.tr.light", "name": "light", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "ACT.ACT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q9128/", "model": { "registry_id": "vr.tr.light", "name": "light", "purpose": "Let an agent reason about light as a measurable condition of a place that enables or prevents other work, rather than as an on-off property of a lamp.", "definition": "Electromagnetic radiation in the range the human eye responds to, and by extension the illumination a place has and the fittings that produce it.", "what_it_is_for": "Making things visible, and beyond that: signalling, growing plants, disinfecting, carrying data and setting the rhythm of a day.", "affordances": [ "see by it, which is what almost every requirement about it is really about", "measure it, at a point and on a surface", "produce it, block it, filter it and reflect it", "be harmed by it - glare, ultraviolet, laser exposure", "signal with it, which is a different use with different requirements" ], "distinguishing_features": [ "A condition of a place at a time, not an object, so it is measured rather than possessed", "The source, the illumination and the perception are three different things routinely called light", "Requirements are stated on surfaces and tasks, not on lamps" ], "appearance": "Not a thing seen but the condition of seeing. What is observed is a source, a lit surface or a shadow.", "visual_identification": [ "Colour temperature, judged against a known white, separates daylight from most artificial sources", "Flicker, visible in a camera or in peripheral vision, identifies the driver rather than the lamp", "The distinction between illuminance on a surface and luminance of a source is invisible and constantly confused" ], "physical_properties": [ { "quantity": "illuminance", "typical_range": "0.1-100000", "unit": "lux", "note": "from moonlight to direct sun; workplaces are typically 300-750" }, { "quantity": "colour temperature", "typical_range": "2000-6500", "unit": "K", "note": "" }, { "quantity": "colour rendering index", "typical_range": "60-100", "unit": "Ra", "note": "matters wherever colour judgement is part of the task" }, { "quantity": "visible wavelength", "typical_range": "380-750", "unit": "nm", "note": "" } ], "families_and_kinds": [ "by source: daylight, incandescent, fluorescent, LED, discharge, laser", "by purpose: general, task, emergency, signalling, growing, disinfection", "by measure: illuminance, luminance, luminous flux, intensity" ], "related_models": [ { "relation": "is produced by", "target": "lamp", "why": "the fitting is a device; the light is a condition" }, { "relation": "is a condition of", "target": "room", "why": "requirements attach to places and tasks" }, { "relation": "is confused with", "target": "electric power", "why": "watts describe consumption, lumens describe output, and they are not proportional across technologies" }, { "relation": "regulated by", "target": "workplace lighting standards", "why": "minimum levels for tasks and escape routes" } ], "identifiers": [ { "scheme": "SI unit", "value_or_pattern": "lux, lumen, candela", "note": "three different quantities that are constantly substituted for one another" } ], "standards_and_regulation": [ "CIE publications, which define the photometric quantities themselves", "EN 12464 and its national equivalents, which set workplace lighting levels", "Emergency lighting standards, which set minimum levels on escape routes", "Laser safety classification, which governs sources that can injure at a distance" ], "failure_modes_and_hazards": [ "Glare, which reduces visibility while raising measured illuminance", "Flicker, which causes discomfort and can trigger seizures", "Ultraviolet exposure from unshielded sources and from the sun", "Light pollution and disruption of sleep and of nocturnal wildlife", "Failure of emergency lighting, which is invisible until it matters" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "quantity-and-measurement", "name": "Quantity and measurement", "description": "What is being measured, where and how.", "rationale": "Nearly every dispute about lighting is a confusion between four different quantities, so the model has to pin which one is meant.", "layers": [ { "id": "which-quantity", "name": "Which quantity", "description": "Illuminance, luminance, flux and intensity.", "findings": [ { "id": "which-quantity-finding", "name": "Quantity and its unit", "description": "What is being claimed and in what unit.", "questions": [ { "text": "Which photometric quantity is being recorded here, in what unit?", "kind": "definition" }, { "text": "On what surface or in what direction was it measured?", "kind": "measurement" } ] } ] }, { "id": "conditions", "name": "Measurement conditions", "description": "Position, time, orientation and what else was on.", "findings": [ { "id": "conditions-finding", "name": "Conditions of the reading", "description": "What has to travel with a reading for it to mean anything later.", "questions": [ { "text": "Where, when and under what conditions was this reading taken?", "kind": "provenance" }, { "text": "What would change the reading without changing the installation?", "kind": "boundary" } ] } ] } ] }, { "id": "purpose-and-adequacy", "name": "Purpose and adequacy", "description": "Whether there is enough light for what is being done.", "rationale": "Light is adequate for a task or not; a level with no task attached cannot be judged.", "layers": [ { "id": "task-requirement", "name": "Task requirement", "description": "What the activity needs.", "findings": [ { "id": "task-requirement-finding", "name": "Required level for the task", "description": "The requirement, its source, and the task it assumes.", "questions": [ { "text": "What level does the task performed here require, and under whose standard?", "kind": "definition" }, { "text": "What happens to the requirement when the task changes?", "kind": "boundary" } ] } ] }, { "id": "adequacy", "name": "Adequacy and uniformity", "description": "Whether the level is met everywhere it matters.", "findings": [ { "id": "adequacy-finding", "name": "Adequacy across the space", "description": "Coverage, uniformity and the worst point rather than the average.", "questions": [ { "text": "Is the requirement met across the space, and where is the worst point?", "kind": "measurement" }, { "text": "What must an agent do where the level is met on average but not where the work happens?", "kind": "action" } ] } ] } ] }, { "id": "quality-and-comfort", "name": "Quality and comfort", "description": "Whether the light is fit to see by, not just bright enough.", "rationale": "Illuminance can be met while the space is unusable through glare, flicker or poor colour rendering.", "layers": [ { "id": "glare-and-flicker", "name": "Glare and flicker", "description": "The two failures that raise complaints while meeting the numbers.", "findings": [ { "id": "glare-and-flicker-finding", "name": "Discomfort factors", "description": "What makes adequate light unpleasant or unsafe.", "questions": [ { "text": "What glare and flicker are present, and how were they assessed?", "kind": "measurement" }, { "text": "Which of these must be corrected rather than tolerated, and why?", "kind": "action" } ] } ] }, { "id": "colour", "name": "Colour temperature and rendering", "description": "How colours appear and whether that matters here.", "findings": [ { "id": "colour-finding", "name": "Colour performance", "description": "The colour properties and the tasks that depend on them.", "questions": [ { "text": "What colour temperature and rendering does this light have?", "kind": "measurement" }, { "text": "Which tasks here depend on colour judgement, and is the rendering sufficient for them?", "kind": "boundary" } ] } ] } ] }, { "id": "safety-and-emergency", "name": "Safety and emergency provision", "description": "Light that has to work when everything else fails.", "rationale": "Emergency lighting is the only lighting whose failure is invisible until the moment it is needed, so it is tested rather than observed.", "layers": [ { "id": "emergency-provision", "name": "Emergency provision", "description": "Escape routes, duration and testing.", "findings": [ { "id": "emergency-provision-finding", "name": "Emergency lighting duty", "description": "What must be lit when power fails, for how long.", "questions": [ { "text": "What emergency lighting is required here, at what level and for what duration?", "kind": "definition" }, { "text": "When was it last tested, by whom, and what did the test show?", "kind": "provenance" } ] } ] }, { "id": "radiation-hazard", "name": "Radiation hazard", "description": "Sources that can injure.", "findings": [ { "id": "radiation-hazard-finding", "name": "Hazardous sources", "description": "Ultraviolet, infrared and coherent sources present.", "questions": [ { "text": "Which sources here can cause injury, and at what exposure?", "kind": "boundary" }, { "text": "What protection or exclusion does that require, and of whom?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should the registry model light as a condition, the fitting as a device, and the requirement as a rule - three linked models rather than one?", "How should daylight be represented, given that it varies continuously and is what most requirements assume?", "What is the right way to record a lighting measurement so its position, direction and time survive with it?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "abstract concept", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a light, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent reason about light as a measurable condition of a place that enables or prevents other work, rather than as an on-off property of a lamp.", "characteristics": { "substance": "activity", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: snow lantern, high-energy visible light, nocturnal light, Egryn Lights, artificial light, collimated light, sunlight, polychromatic light, Purple light, flash of light, light stimulus, light beam.", "27 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 228 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a light, and on what evidence are they told apart?" ], "whatItIsMadeOf": "something that happens over time", "physicalCharacter": [ "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about." ], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "snow lantern", "high-energy visible light", "nocturnal light", "Egryn Lights", "artificial light", "collimated light", "sunlight", "polychromatic light", "Purple light", "flash of light", "light stimulus", "light beam" ] } ], "standing": "Described in 228 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 27 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one light from another, and a light from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a light, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a light, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a light is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a light, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a light, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a light is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a light sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a light, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a light, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a light is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a light from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a light, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a light, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a light is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a light passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a light between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a light, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a light, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a light is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a light, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a light is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a light, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a light, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a light is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "process-and-outcome", "name": "Process, inputs and outcome", "description": "How a light proceeds, what it needs and what it leaves behind.", "rationale": "An activity is known by its steps and its results, and both have to be recordable while it is still running.", "layers": [ { "id": "steps-and-sequence", "name": "Steps and sequence", "description": "The steps of a light, their order and what may run in parallel.", "findings": [ { "id": "steps-and-preconditions", "name": "Steps, preconditions and completion", "description": "What has to be true before each step of a light and what marks it done.", "questions": [ { "id": "steps-and-preconditions-q01", "text": "What identifies and describes a step of a light, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "steps-and-preconditions-q02", "text": "Who or what asserted this about a step of a light, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "steps-and-preconditions-q03", "text": "What may an agent decide or do once a step of a light is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "inputs-and-results", "name": "Inputs, resources and results", "description": "What a light consumes and what it produces.", "findings": [ { "id": "inputs-and-outputs", "name": "Inputs, outputs and side effects", "description": "The resources a light takes and the results it leaves, wanted or not.", "questions": [ { "id": "inputs-and-outputs-q01", "text": "What identifies and describes the inputs and results of a light, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "inputs-and-outputs-q02", "text": "Who or what asserted this about the inputs and results of a light, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "inputs-and-outputs-q03", "text": "What may an agent decide or do once the inputs and results of a light is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definitions-in-contest", "name": "Definitions and who holds them", "description": "What light is taken to mean, and by whom.", "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.", "layers": [ { "id": "competing-definitions", "name": "Competing definitions", "description": "The main readings and the traditions behind them.", "findings": [ { "id": "definition-map", "name": "Definitions and their holders", "description": "Each definition with the school or body that holds it.", "questions": [ { "id": "definition-map-q01", "text": "Which definitions of light are in use, and which tradition or body holds each?", "kind": "definition" }, { "id": "definition-map-q02", "text": "What turns on the difference between them in practice?", "kind": "boundary" } ] } ] }, { "id": "operationalisation", "name": "Operationalisation", "description": "How it is measured or applied when it has to be.", "findings": [ { "id": "operational-record", "name": "Measures and proxies", "description": "Instruments and indicators used to stand in for it.", "questions": [ { "id": "operational-record-q01", "text": "How is light operationalised or measured in practice, and by what instrument?", "kind": "measurement" }, { "id": "operational-record-q02", "text": "What does that operationalisation leave out, and when does that matter?", "kind": "boundary" } ] } ] } ] }, { "id": "instances-and-use", "name": "Instances, use and consequence", "description": "What counts as an instance of light and what follows from calling something that.", "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.", "layers": [ { "id": "instances", "name": "What counts as an instance", "description": "Clear cases, borderline cases and non-cases.", "findings": [ { "id": "instance-tests", "name": "Tests for an instance", "description": "What would settle whether something falls under it.", "questions": [ { "id": "instance-tests-q01", "text": "What would settle whether something is an instance of light?", "kind": "boundary" }, { "id": "instance-tests-q02", "text": "Which borderline cases are argued about, and on what grounds?", "kind": "definition" } ] } ] }, { "id": "consequence", "name": "Consequence of application", "description": "Rights, duties or decisions that follow from the label.", "findings": [ { "id": "consequence-record", "name": "What the label licenses", "description": "What an agent may do once something is classified this way.", "questions": [ { "id": "consequence-record-q01", "text": "What follows practically once something is treated as light?", "kind": "action" }, { "id": "consequence-record-q02", "text": "What must an agent not infer from the label alone?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a light came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a light and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a light, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a light, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a light is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a light is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a light, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a light, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a light is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 6, "layers": 12, "findings": 14, "questions": 38 } } } }