명제 | 대우를 이용한 증명법, 귀류법 | 류용수

array(10) { [0]=> object(stdClass)#4251 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "vDdssVEzfdY" ["related_video_title"]=> string(121) "ПОВНА НЕПОВАГА до Василя Іванчука! Ташкент 2025 (6 тур) | Шахи Для Всіх" ["posted_time"]=> string(21) "1 день назад" ["channelName"]=> string(24) "Шахи Для Всіх" } [1]=> object(stdClass)#4224 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "XMNQ4xO5H8A" ["related_video_title"]=> string(88) "Как оформить генеральный план в Photoshop за 15 минут?" ["posted_time"]=> string(27) "9 месяцев назад" ["channelName"]=> string(11) "art.brodsky" } [2]=> object(stdClass)#4249 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "fuoCSMDi2Do" ["related_video_title"]=> string(45) "제2-3강. 명제의 역과 대우, 증명법" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(16) "EBSi임재석쌤" } [3]=> object(stdClass)#4256 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "42zameNMMIU" ["related_video_title"]=> string(45) "정승제가 남자임을 증명하는 방법" ["posted_time"]=> string(28) "10 месяцев назад" ["channelName"]=> string(48) "[승제튜브] 정승제 공식 유튜브 채널" } [4]=> object(stdClass)#4235 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "jKU7Y7YEYpA" ["related_video_title"]=> string(16) "집합의 연산" ["posted_time"]=> string(19) "9 лет назад" ["channelName"]=> string(12) "수악중독" } [5]=> object(stdClass)#4253 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "xL7fC6jB8m4" ["related_video_title"]=> string(34) "수학(하) 11강 명제의 증명" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(9) "최지웅" } [6]=> object(stdClass)#4248 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "tgZZFtVNMow" ["related_video_title"]=> string(97) "(개정) [고등예비과정] 수학 - 26강 명제(3) |50일 수학 정승제| EBSi 고교강의" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(5) "EBSi " } [7]=> object(stdClass)#4258 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "iAsM7Dusyx0" ["related_video_title"]=> string(51) "[번외편] 2.연역논증 2)명제논리 ③부정" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(13) "혜윰 책방" } [8]=> object(stdClass)#4234 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "jjgk4A3e7iY" ["related_video_title"]=> string(56) "Моцарт Лучшее: вечная классика" ["posted_time"]=> string(21) "2 года назад" ["channelName"]=> string(21) "Кот Мурлыка" } [9]=> object(stdClass)#4252 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "EK32jo7i5LQ" ["related_video_title"]=> string(145) "Почему простые числа образуют эти спирали? | Теорема Дирихле и пи-аппроксимации" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(11) "3Blue1Brown" } }