{"id":2047,"date":"2015-09-15T08:00:00","date_gmt":"2015-09-15T06:00:00","guid":{"rendered":"http:\/\/www.matematicaok.it\/?p=2047"},"modified":"2015-10-10T01:06:09","modified_gmt":"2015-10-09T23:06:09","slug":"funzioni-iniettive","status":"publish","type":"post","link":"https:\/\/www.matematicaok.com\/?p=2047","title":{"rendered":"Funzioni iniettive"},"content":{"rendered":"<div class=\"MsoNormal\" style=\"margin: 0cm 0cm 0.0001pt 35.4pt; text-align: justify;\">Una\u00a0funzione da A in B (<i>f: A \u2192 B)\u00a0<\/i>si dice <em>INIETTIVA<\/em>\u00a0se ad elementi distinti di A corrispondono\u00a0elementi distinti di B.<\/div>\n<div class=\"MsoNormal\" style=\"margin: 0cm 0cm 0.0001pt 35.4pt; text-align: justify;\">Si pu\u00f2 anche scrivere che per ogni coppia X1,X2 di A, con \u00a0 x1\u2260x2 \u00a0corrisponde\u00a0<em>f(X1) \u2260 f(X2)<\/em><\/div>\n<div class=\"MsoNormal\" style=\"margin: 0cm 0cm 0.0001pt 35.4pt; text-align: justify;\"><\/div>\n<div class=\"MsoNormal\" style=\"margin: 0cm 0cm 0.0001pt 35.4pt; text-align: justify;\">Se la\u00a0funzione \u00e8 <span style=\"text-decoration: underline;\">iniettiva<\/span> noto un elemento di B da questo \u00e8 possibile risalire in modo univoco\u00a0all&#8217;elemento di\u00a0A.<\/div>\n<div class=\"MsoNormal\" style=\"margin: 0cm 0cm 0.0001pt 35.4pt; text-align: justify;\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Una\u00a0funzione da A in B (f: A \u2192 B)\u00a0si dice INIETTIVA\u00a0se ad elementi distinti di A corrispondono\u00a0elementi distinti di B. Si pu\u00f2 anche scrivere che per ogni coppia X1,X2 di A, con \u00a0 x1\u2260x2 \u00a0corrisponde\u00a0f(X1) \u2260 f(X2) Se la\u00a0funzione \u00e8 iniettiva noto un elemento di B da questo \u00e8 possibile risalire in modo univoco\u00a0all&#8217;elemento di\u00a0A.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[167],"tags":[],"class_list":["post-2047","post","type-post","status-publish","format-standard","hentry","category-funzioni"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p85Wmq-x1","_links":{"self":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/2047","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2047"}],"version-history":[{"count":3,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/2047\/revisions"}],"predecessor-version":[{"id":3078,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/2047\/revisions\/3078"}],"wp:attachment":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}