{"id": "card_solve_converge", "kind": "reference", "title": "Converge from inside — anchor on what you know exactly", "body": "The second jaw. Do not search from nothing: start from a point held with certainty — a solved neighbour in the keeping, or an easy surrogate (relax the hard constraint, keep the first term) — and step toward the target by an amount you can bound. The anchor carries the truth; the step carries the error.", "source": {"label": "Narrow Highway — a step of the solve path", "url": "", "authority_tier": "engine_derived"}, "shelf": "codex", "box": "solve_step", "bands": ["solve path", "method", "converge"], "subject": "Converge from inside — anchor on what you know exactly", "connections": [{"to_card_id": "card_floor_the_solve_path", "relationship": "part_of", "evidence": "a jaw of the solve path (Converge from inside)"}, {"to_card_id": "card_solve_get_close", "relationship": "enables", "evidence": "get_close follows converge on the solve path"}, {"to_card_id": "card_solve_change_domain", "relationship": "enables", "evidence": "change_domain follows converge on the solve path"}], "author": "engine", "created_at": 0.0, "updated_at": 0.0, "visibility": "public", "lifecycle_stage": "public", "volatility": "permanent", "surface": "secular", "generated": false, "call": "codex.solve.step", "facets": {"subject": ["converge", "method", "solve path"]}, "presentation": {"glyph": "•", "kind_label": "solve step", "by": "Narrow Highway — a step of the solve path", "authority": "engine_derived", "posted": "", "standing": ""}, "neighbors": [{"id": "card_floor_the_solve_path", "title": "The solve path — two jaws that close on the answer", "relationship": "part of", "why": "a jaw of the solve path (Converge from inside)", "href": "/card/card_floor_the_solve_path", "resolved": true}, {"id": "card_solve_get_close", "title": "Get close — a bounded estimate (the approximate flip)", "relationship": "enables", "why": "get_close follows converge on the solve path", "href": "/card/card_solve_get_close", "resolved": true}, {"id": "card_solve_change_domain", "title": "Change of domain — solve in the eigenbasis, map back (the exact flip)", "relationship": "enables", "why": "change_domain follows converge on the solve path", "href": "/card/card_solve_change_domain", "resolved": true}], "house": {"door": "FIND", "kind": "card", "trail": "connections", "seal": "/card/card_solve_converge", "next_step": {"do": "follow a connection: what this card rests on, and what rests on it", "door": "FIND", "tool": "card_connections", "params": {"id": "card_solve_converge"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}