{"id":609,"date":"2008-11-10T00:00:24","date_gmt":"2008-11-09T23:00:24","guid":{"rendered":"http:\/\/cognitionandculture.local\/?p=609"},"modified":"2023-07-24T13:38:27","modified_gmt":"2023-07-24T11:38:27","slug":"picture-of-the-week-a-sangaku","status":"publish","type":"post","link":"https:\/\/cognitionandculture.local\/blogs\/olivier-morin\/picture-of-the-week-a-sangaku\/","title":{"rendered":"Picture of the week: a Sangaku"},"content":{"rendered":"\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 100%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-609 gallery-columns-1 gallery-size-full'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/cognitionandculture.local\/wp-content\/uploads\/Onnma-shrine.jpeg'><img width=\"1024\" height=\"768\" src=\"https:\/\/cognitionandculture.local\/wp-content\/uploads\/Onnma-shrine.jpeg\" class=\"attachment-full size-full\" alt=\"\" decoding=\"async\" aria-describedby=\"gallery-1-15664\" srcset=\"https:\/\/cognitionandculture.local\/wp-content\/uploads\/Onnma-shrine.jpeg 1024w, https:\/\/cognitionandculture.local\/wp-content\/uploads\/Onnma-shrine-300x225.jpeg 300w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-15664'>\n\t\t\t\tFrom Fukagawa and Rothman\u2019s Sacred Mathematics: Japanese Temple Geometry, Princeton 2008.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p>This five-meters long triple tablet was hung in 1797 in the Onnma shrine in the Aichi prefecture (Japan) and contains 30 problems. It is called a Sangaku, a mathematical ex-voto representing solved geometrical problems. A book about Sangakus is forthcoming, Sacred Mathematics: Japanese Temple Geometry. [1]\n<p>What do our friends interested in the anthropology of maths (Christophe, Helen, Hugo&#8230;) think of this interplay of religion and geometry? As for me, growing up in catholic Brittany, I have seen my share of weird ex-votos (the last one on my list was this toy boat, last June), but this tops everything else&#8230;<\/p>\n<p>(found on Science News [2]).<\/p>\n<hr \/>\n\n\n[1] Fukagawa, H., &amp; Rothman, T. (2008).&nbsp;<em>Sacred mathematics: Japanese temple geometry<\/em>. Princeton University Press.<\/p>\n\n\n\n[2] &#8220;Sacred Geometry&#8221; by Bethany Brookshire<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This five-meters long triple tablet was hung in 1797 in the Onnma shrine in the Aichi prefecture (Japan) and contains 30 problems. It is called a Sangaku, a mathematical ex-voto representing solved geometrical problems. A book about Sangakus is forthcoming, Sacred Mathematics: Japanese Temple Geometry. [1] What do our friends interested in the anthropology of [&hellip;]<\/p>\n","protected":false},"author":675,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Picture of the week: a Sangaku - International Cognition and Culture Institute<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/cognitionandculture.local\/blogs\/olivier-morin\/picture-of-the-week-a-sangaku\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Picture of the week: a Sangaku - International Cognition and Culture Institute\" \/>\n<meta property=\"og:description\" content=\"This five-meters long triple tablet was hung in 1797 in the Onnma shrine in the Aichi prefecture (Japan) and contains 30 problems. It is called a Sangaku, a mathematical ex-voto representing solved geometrical problems. A book about Sangakus is forthcoming, Sacred Mathematics: Japanese Temple Geometry. [1] What do our friends interested in the anthropology of [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"http:\/\/cognitionandculture.local\/blogs\/olivier-morin\/picture-of-the-week-a-sangaku\/\" \/>\n<meta property=\"og:site_name\" content=\"International Cognition and Culture Institute\" \/>\n<meta property=\"article:published_time\" content=\"2008-11-09T23:00:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-07-24T11:38:27+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\">\n\t<meta name=\"twitter:data1\" content=\"Olivier Morin\">\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\">\n\t<meta name=\"twitter:data2\" content=\"1 minute\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/cognitionandculture.local\/#website\",\"url\":\"https:\/\/cognitionandculture.local\/\",\"name\":\"International Cognition and Culture Institute\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/cognitionandculture.local\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/cognitionandculture.local\/blogs\/olivier-morin\/picture-of-the-week-a-sangaku\/#webpage\",\"url\":\"http:\/\/cognitionandculture.local\/blogs\/olivier-morin\/picture-of-the-week-a-sangaku\/\",\"name\":\"Picture of the week: a Sangaku - International Cognition and Culture Institute\",\"isPartOf\":{\"@id\":\"https:\/\/cognitionandculture.local\/#website\"},\"datePublished\":\"2008-11-09T23:00:24+00:00\",\"dateModified\":\"2023-07-24T11:38:27+00:00\",\"author\":{\"@id\":\"https:\/\/cognitionandculture.local\/#\/schema\/person\/33c8d638d23d23c559f2b692b3e766db\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\/\/cognitionandculture.local\/blogs\/olivier-morin\/picture-of-the-week-a-sangaku\/\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/cognitionandculture.local\/#\/schema\/person\/33c8d638d23d23c559f2b692b3e766db\",\"name\":\"Olivier Morin\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/cognitionandculture.local\/#personlogo\",\"inLanguage\":\"en-GB\",\"url\":\"http:\/\/cognitionandculture.local\/wp-content\/uploads\/oliv-96x96.jpg\",\"caption\":\"Olivier Morin\"},\"sameAs\":[\"https:\/\/sites.google.com\/site\/sitedoliviermorin\/\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/cognitionandculture.local\/wp-json\/wp\/v2\/posts\/609"}],"collection":[{"href":"https:\/\/cognitionandculture.local\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cognitionandculture.local\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cognitionandculture.local\/wp-json\/wp\/v2\/users\/675"}],"replies":[{"embeddable":true,"href":"https:\/\/cognitionandculture.local\/wp-json\/wp\/v2\/comments?post=609"}],"version-history":[{"count":5,"href":"https:\/\/cognitionandculture.local\/wp-json\/wp\/v2\/posts\/609\/revisions"}],"predecessor-version":[{"id":17285,"href":"https:\/\/cognitionandculture.local\/wp-json\/wp\/v2\/posts\/609\/revisions\/17285"}],"wp:attachment":[{"href":"https:\/\/cognitionandculture.local\/wp-json\/wp\/v2\/media?parent=609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cognitionandculture.local\/wp-json\/wp\/v2\/categories?post=609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cognitionandculture.local\/wp-json\/wp\/v2\/tags?post=609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}