{"id": "card_chain_briggs_1624", "kind": "reference", "title": "Briggs 1624 — Arithmetica logarithmica", "body": "H. Briggs (1624). Arithmetica logarithmica. London, 1624. Canonical: https://archive.org/details/arithmeticalogar00brig. Cited by its record. License as found: public domain (the author died more than a century ago, or the work was published before 1930). What it gave the chain: base-ten logarithms, thirty thousand of them to fourteen places - the digits of a number as its logarithm.", "source": {"label": "H. Briggs (1624), London, 1624", "url": "https://archive.org/details/arithmeticalogar00brig", "domain": "mathematics", "authority_tier": "reference"}, "shelf": "codex", "box": "chain", "bands": ["chain", "record", "1624", "briggs", "mathematics"], "subject": "Arithmetica logarithmica", "connections": [{"to_card_id": "card_chain_napier_1614", "relationship": "builds_on", "evidence": "base-ten logarithms, thirty thousand of them to fourteen places - the digits of a number as its logarithm"}, {"to_card_id": "card_chain_euler_1748", "relationship": "enables", "evidence": "e, and the exponential and the logarithm as inverse functions: the table-logarithm of Napier and the hyperbola-logarithm of Saint-Vincent are one function"}, {"to_card_id": "card_chain_cobham_1965", "relationship": "enables", "evidence": "feasible = polynomial in the LENGTH of the input, and the length of a number is its logarithm"}], "author": "engine", "created_at": 0.0, "updated_at": 0.0, "visibility": "public", "lifecycle_stage": "public", "volatility": "permanent", "surface": "secular", "generated": false, "call": "codex.chain", "facets": {"subject": ["1624", "briggs", "mathematics", "record"]}, "presentation": {"glyph": "•", "kind_label": "chain", "by": "H. Briggs (1624), London, 1624", "authority": "reference", "posted": "", "standing": "", "link": {"url": "https://archive.org/details/arithmeticalogar00brig", "host": "archive.org", "provider": "Internet Archive", "titled": "Briggs 1624 — Arithmetica logarithmica", "waybill_line": "", "reach": "", "embed": ""}}, "neighbors": [{"id": "card_chain_napier_1614", "title": "Napier 1614 — Mirifici logarithmorum canonis descriptio", "relationship": "builds on", "why": "base-ten logarithms, thirty thousand of them to fourteen places - the digits of a number as its logarithm", "href": "/card/card_chain_napier_1614", "resolved": true}, {"id": "card_chain_euler_1748", "title": "Euler 1748 — Introductio in analysin infinitorum (E101-E102)", "relationship": "enables", "why": "e, and the exponential and the logarithm as inverse functions: the table-logarithm of Napier and the hyperbola-logarithm of Saint-Vincent are one function", "href": "/card/card_chain_euler_1748", "resolved": true}, {"id": "card_chain_cobham_1965", "title": "Cobham 1965 — The intrinsic computational difficulty of functions", "relationship": "enables", "why": "feasible = polynomial in the LENGTH of the input, and the length of a number is its logarithm", "href": "/card/card_chain_cobham_1965", "resolved": true}], "house": {"door": "FIND", "kind": "card", "trail": "connections", "seal": "/card/card_chain_briggs_1624", "next_step": {"do": "read the source itself", "door": "FIND", "web": "/reader.html?card=card_chain_briggs_1624"}, "ends": "a verdict or a card · the trail · a seal · one next step"}}