{"id":"VOI-010","name":"Metaphor must preserve the model","domain":"voice","layer":"paragraph","strength":"hard_constraint","human_logic":"IF a metaphor explains a mechanism, THEN map its relevant correspondences and state its boundary when overextension would mislead ELSE use it only decoratively.","when":{"path":"metaphor.function","operator":"eq","value":"explanation"},"then":[{"action":"verify","target":"metaphor.mapping","require":["source","target","shared_relation"]},{"action":"qualify","target":"metaphor","include":"where_the_analogy_breaks","when":"overextension_risk"}],"else":[{"action":"retain","target":"current_text","reason":"No triggering condition is present."}],"unless":[],"because":"A vivid analogy can create a false mental model if its limits stay hidden.","diagnostics":[],"examples":{},"source_ids":["BK-008","BK-037"],"laka":{"smallest_sufficient_intervention":true,"primary_axes":["scope","depth","magnitude","reversibility"]},"requires_facts":["metaphor.function"],"tests":[],"sources":[{"id":"BK-008","title":"The Sense of Style","creator":"Steven Pinker","domain":"cognitive_style","type":"Book","note":"Reader-centered clarity informed by linguistics and cognition.","url":null},{"id":"BK-037","title":"Made to Stick","creator":"Chip Heath; Dan Heath","domain":"communication","type":"Book","note":"Simple, unexpected, concrete, credible, emotional stories.","url":null}],"defined_in":{"file":"12-voice-rhythm-rules.json","title":"Voice, Tone, and Rhythm Rules","slug":"voice-rhythm-rules"}}