{"id":56,"date":"2009-09-28T16:40:00","date_gmt":"2009-09-28T19:40:00","guid":{"rendered":"http:\/\/scienceblogs.com.br\/hypercubic\/2009\/09\/provas-de-que-45\/"},"modified":"2009-09-28T16:40:00","modified_gmt":"2009-09-28T19:40:00","slug":"provas-de-que-45","status":"publish","type":"post","link":"https:\/\/www.blogs.unicamp.br\/hypercubic\/2009\/09\/provas-de-que-45\/","title":{"rendered":">Provas de que 4=5"},"content":{"rendered":"

><\/p>\n

A matem\u00e1tica \u00e9 cheia de armadilhas l\u00f3gicas falaciosas. Eis uma delas:<\/p>\n

\n

\u201320 = \u201320
25 \u2013 45 = 16 \u2013 36
52<\/sup> \u2013 45 = 42<\/sup> \u2013 36
52<\/sup> \u2013 45 + 81\/4 = 42<\/sup> \u2013 36 + 81\/4
(5 \u2013 9\/2)2<\/sup> = (4 \u2013 9\/2)2<\/sup>
5 \u2013 9\/2 = 4 \u2013 9\/2
5 = 4<\/font><\/p>\n<\/blockquote>\n

E ainda h\u00e1 uma prova real mais simples e \u00f3bvia:<\/p>\n

\"4=5\"<\/a> <\/p>\n

\n

C.Q.D. (Conforme Quer\u00edamos Demonstrar)<\/em><\/p>\n<\/blockquote>\n

Deve ser por coisas assim que a matem\u00e1tica n\u00e3o entra na cabe\u00e7a de muita gente.<\/p>\n","protected":false},"excerpt":{"rendered":"

> A matem\u00e1tica \u00e9 cheia de armadilhas l\u00f3gicas falaciosas. Eis uma delas: \u201320 = \u201320 25 \u2013 45 = 16 \u2013 36 52 \u2013 45 = 42 \u2013 36 52 \u2013 45 + 81\/4 = 42 \u2013 36 + 81\/4 (5 \u2013 9\/2)2 = (4 \u2013 9\/2)2 5 \u2013 9\/2 = 4 \u2013 9\/2 5 […]<\/p>\n","protected":false},"author":486,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"material-hide-sections":[],"pgc_sgb_lightbox_settings":"","_vp_format_video_url":"","_vp_image_focal_point":[],"footnotes":""},"categories":[79,118,198,203,238,254],"tags":[],"class_list":["post-56","post","type-post","status-publish","format-standard","hentry","category-curiosidades","category-falacias","category-logica","category-matematica","category-numeros","category-paradoxos"],"yoast_head":"\n>Provas de que 4=5 - hypercubic<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.blogs.unicamp.br\/hypercubic\/2009\/09\/provas-de-que-45\/\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Renato Pincelli\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2009\\\/09\\\/provas-de-que-45\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2009\\\/09\\\/provas-de-que-45\\\/\"},\"author\":{\"name\":\"Renato Pincelli\",\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/#\\\/schema\\\/person\\\/c7be1e2811d061a75d3b4f4960eb53bd\"},\"headline\":\">Provas de que 4=5\",\"datePublished\":\"2009-09-28T19:40:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2009\\\/09\\\/provas-de-que-45\\\/\"},\"wordCount\":51,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2009\\\/09\\\/provas-de-que-45\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/scienceblogs.com.br\\\/hypercubic\\\/files\\\/2011\\\/12\\\/45_thumb3.png\",\"articleSection\":[\"curiosidades\",\"fal\u00e1cias\",\"l\u00f3gica\",\"matem\u00e1tica\",\"n\u00fameros\",\"paradoxos\"],\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2009\\\/09\\\/provas-de-que-45\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2009\\\/09\\\/provas-de-que-45\\\/\",\"url\":\"https:\\\/\\\/www.blogs.unicamp.br\\\/hypercubic\\\/2009\\\/09\\\/provas-de-que-45\\\/\",\"name\":\">Provas de que 4=5 - 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