{"product_id":"quadrivium","title":"Quadrivium","description":"\u003cp\u003eNumber, geometry, music, and cosmology — the four disciplines the ancients considered the foundation of all knowledge.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eQuadrivium\u003c\/em\u003e, edited by John Martineau and produced by Wooden Books, gathers the four classical liberal arts of the medieval university into a single beautifully designed volume. These are not separate subjects. They are four expressions of the same underlying order — the mathematical structure of reality as understood from Pythagoras through the Renaissance.\u003c\/p\u003e\u003cp\u003eInside:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber\u003c\/strong\u003e — arithmetic as the study of pure quantity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeometry\u003c\/strong\u003e — number in space, from Euclid to the Platonic solids\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMusic\u003c\/strong\u003e — number in time, ratio, and harmonic proportion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCosmology\u003c\/strong\u003e — number in space and time, the structure of the heavens\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIllustrated throughout with diagrams, charts, and geometric constructions. A reference work and a meditation on the unity of knowledge.\u003c\/p\u003e","brand":"John Martineau","offers":[{"title":"Default Title","offer_id":46911595741359,"sku":null,"price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/5080\/8751\/files\/image_d9bfcb42-4910-4de1-b14f-d8bcf7a08cd8.png?v=1778847730","url":"https:\/\/seekersandsages.ca\/products\/quadrivium","provider":"Seekers and Sages","version":"1.0","type":"link"}