{"id":8438,"date":"2009-08-17T00:30:00","date_gmt":"2009-08-17T00:30:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=8438"},"modified":"2023-10-02T23:51:27","modified_gmt":"2023-10-02T14:51:27","slug":"%ec%a7%9d%ec%88%98%ec%99%80-%ed%99%80%ec%88%98-2","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=8438","title":{"rendered":"\uc9dd\uc218\uc640 \ud640\uc218 2"},"content":{"rendered":"\n

\ubcf4\ucda9\uc124\uba85 (‘\uc9dd\uc218\uc640 \ud640\uc218’\uae00\uc5d0 \uc624\ub958\uac00 \uc788\uc5c8\uc74c\uc744 \uc778\uc815\ud55c\ub2e4.)<\/p>\n\n\n\n

\ubc11\uc5d0 \ub313\uae00\uc5d0\uc11c ‘\uc544\ub194’\ub2d8\uc774 ‘\uc9dd\uc218\uc774\ub2e4’\uc758 \ubd80\uc815\uc73c\ub85c ‘\ud640\uc218\uc774\ub2e4’\ub294 \ubd88\uac00\ud558\uba70 ‘\uc9dd\uc218\uac00 \uc544\ub2c8\ub2e4’\ub9cc\uc774 \uac00\ub2a5\ud558\ub2e4\uace0 \ud588\ub294\ub370, \uc5ec\uae30\uc5d0 \ub300\ud574\uc11c \uae38\uac8c \ub17c\uc7c1\uc744 \ud588\uc9c0\ub9cc \ub0b4\uac00 \ud2c0\ub838\ub2e4. \uc774 \uae00\uc758 \uc8fc\uc81c\ub294 ‘\uc9dd\uc218\uc778\uac00 \ud640\uc218\uc778\uac00?’\ub97c \ubb3c\uc5b4\ubcfc \ub54c ‘\uadf8\ub7fc \uc77c\ub2e8 \uadf8 \uc218\ub294 \uc815\uc218\ub2e4’\ub77c\ub294 \uc810\uc744 \ubb35\uc2dc\uc801\uc73c\ub85c \uac00\uc815\ud558\uace0 \uc788\ub2e4\ub294 \uac83\uc744 \uc9c0\uc801\ud558\ub294 \uac83\uc774\ub2e4. ‘\uc9dd\uc218\uc774\ub2e4’\uc758 \ubd80\uc815\uc774 ‘\ud640\uc218\uc774\ub2e4’\uac00 \uac00\ub2a5\ud55c\uac00?\ub294 \ub0b4\uac00 \uc798\ubabb \uc0dd\uac01\ud588\uc73c\uba70, ‘\uc9dd\uc218\uc774\ub2e4’\uc758 \ubd80\uc815\uc740 ‘\uc9dd\uc218\uac00 \uc544\ub2c8\ub2e4’\ub9cc\uc774 \uac00\ub2a5\ud558\ub2e4. \ub2e8, ‘\uc9dd\uc218\uac00 \uc544\ub2c8\ub2e4’\uc640 ‘\ud640\uc218\uc774\ub2e4’\ub294 \ub3d9\ub4f1\ud55c \ud45c\ud604\uc774 \ub9de\ub2e4. \ub2e4\ub9cc ‘\uc9dd\uc218\uc774\ub2e4’\uc758 \ubd80\uc815\uc774 ‘\ud640\uc218\uc774\ub2e4’\ub294 \uc548\ub41c\ub2e4\ub294 \ub73b\uc774\ub2e4.<\/p>\n\n\n\n

\n \uc6b0\uc120 \uc544\ub798\uc758 \uae00\uc744 \uc77d\uace0…(\ub313\uae00\uae4c\uc9c0 \uc798 \uc77d\uc5b4\uc8fc\uae30\ub97c \ubc14\ub780\ub2e4.)
\n
\n
\n http:\/\/snowall.tistory.com\/761
\n <\/a>

<\/p>\n

“\uc544\ub194”\ub77c\ub294 \ubd84\uc774 \ub098\uc758 \uc8fc\uc7a5\uc5d0 \ud0dc\ud074\uc744 \uac78\uc5c8\ub2e4.<\/p>\n

\ub098\uc758 \uc8fc\uc7a5\uc758 \uc694\uc810 : “a\ub294 \uc9dd\uc218\uc774\ub2e4”\ub77c\ub294 \ubb38\uc7a5\uc740, a\uac00 \uc815\uc218\ub77c\ub294 \uc870\uac74\uc744 \ud2b9\ubcc4\ud788 \uac78\uc9c0 \uc54a\uc558\uc9c0\ub9cc “a\ub294 \uc815\uc218\uc774\ub2e4”\ub77c\ub294 \uac00\uc815\uc744 \ud3ec\ud568\ud558\uace0 \uc788\uace0, \ub530\ub77c\uc11c “a\ub294 \uc9dd\uc218\uc774\ub2e4”\ub77c\ub294 \ubb38\uc7a5\uc758 \ubd80\uc815\uc740 “a\ub294 \ud640\uc218\uc774\ub2e4”\uc774\ub2e4.
\n
\n (\ubb3c\ub860, “a\ub294 \uc9dd\uc218\uac00 \uc544\ub2c8\ub2e4”\ub77c\ub294 \ubb38\uc7a5\uc740 \ub2f9\uc5f0\ud788 \ubd80\uc815\ud615\uc774 \ub9de\ub2e4.)<\/p>\n

\uc544\ub194 \ub2d8 \uc8fc\uc7a5\uc758 \uc694\uc810 : “a\ub294 \uc9dd\uc218\uc774\ub2e4”\ub77c\ub294 \ubb38\uc7a5\uc5d0\uc11c, a\uac00 \uc815\uc218\ub77c\ub294 \uc870\uac74\uc744 \ud2b9\ubcc4\ud788 \uac78\uc9c0 \uc54a\uc558\ub2e4\uba74 “a\ub294 \ud640\uc218\uc774\ub2e4”\ub294 \uadf8 \ubb38\uc7a5\uc758 \ubd80\uc815\uc774 \ub418\uc9c0 \uc54a\uc73c\uba70 “a\ub294 \uc9dd\uc218\uac00 \uc544\ub2c8\ub2e4”\ub9cc\uc774 \uc62c\ubc14\ub978 \ubd80\uc815\uc774\ub2e4.<\/p>\n

\uc544\ub194 \ub2d8\uc758 \uc8fc\uc7a5\uc5d0\ub294 \uc624\ub958\uac00 \uc5c6\ub2e4. \ubb3c\ub860 \uadf8\uac8c \ub0b4\uac00 \uc644\uc804\ud788 \ub0a9\ub4dd\ud558\uace0 \ubc1b\uc544\ub4e4\uc778\ub2e4\ub294 \ub73b\uc740 \uc544\ub2c8\uc9c0\ub9cc, \uc5b4\uca0c\ub4e0 \ub17c\ub9ac\uc801 \uc624\ub958\ub294 \uc5c6\uc5b4 \ubcf4\uc778\ub2e4.<\/p>\n

\ubb38\uc81c\ub294 \uc6b0\ub9ac\uac00 \ubb38\uc7a5\uc744 \ubc14\ub77c\ubcf4\ub294 \ubc29\uc2dd\uc5d0 \uc788\ub2e4. \uc989, \uc9dd\uc218\/\ud640\uc218\ub77c\ub294 \uac1c\ub150\uc744 \uc5b4\ub5bb\uac8c \uc815\uc758\ud558\uace0 \uc5b4\ub5bb\uac8c \uc0ac\uc6a9\ud560 \uac83\uc778\uac00? \uc774 \ubd80\ubd84\uc774 \ubb38\uc81c\ub2e4. \uadf8\ub9ac\uace0, \uadf8\ub798\uc11c \uc9d1\ud569\ub860\uc774 \uc218\ud559\uc758 \uae30\ucd08\ub77c\ub294 \uac70\uace0…<\/p>\n

\uc218\ud559\uc740, \uc880 \uc2ec\ud558\uac8c \ub9d0\ud558\uc790\uba74 \uc9d1\ud569\uc744 \ub2e4\ub8e8\ub294 \ud559\ubb38\uc774\ub2e4. \uadf8\ub9ac\uace0 \uc218\ud559\uc744 \ud560 \ub54c \uac00\uc7a5 \uc911\uc694\ud55c\uac74 “\uc6b0\ub9ac\uac00 \uc5b4\ub290 \uc9d1\ud569\uc5d0\uc11c \ub17c\uc758\ud558\uace0 \uc788\ub294\uac00?”\uc774\ub2e4. “a\ub294 \uc9dd\uc218\uc774\ub2e4”\ub77c\ub294 \ub9d0\uc744 \ud560 \ub54c, \ub300\ubd80\ubd84\uc758 \uc0ac\ub78c\ub4e4\uc740 \uba85\uc2dc\uc801\uc778 \uac00\uc815\uc774 \uc5c6\ub354\ub77c\ub3c4 (a\uac00 \uc815\uc218\ub77c\ub294 \uc870\uac74\uc744 \ud2b9\ubcc4\ud788 \uac78\uc9c0 \uc54a\ub354\ub77c\ub3c4) a\ub77c\ub294 \uc22b\uc790\ub97c \uc815\uc218\ub85c \uac00\uc815\ud558\uace0, \uadf8\uc640 \uad00\ub828\ub41c \uba85\uc81c\uc758 \uc9c4\ub9ac \ud310\ub2e8\uc744 \uc815\uc218 \uc9d1\ud569\uc5d0\uc11c \ud558\uac8c \ub41c\ub2e4. \uadf8\ub7ec\ubbc0\ub85c \ub300\ubd80\ubd84\uc758 \uc0ac\ub78c\ub4e4\uc774 \uad73\uc774 \ub530\uc9c0\uc9c0 \uc54a\ub294 \ud55c “a\ub294 \uc9dd\uc218\uc774\ub2e4”\ub77c\ub294 \uba85\uc81c\uc758 \ubd80\uc815\uc740 “a\ub294 \ud640\uc218\uc774\ub2e4”\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4. \uc2e4\uc81c\ub85c \ub9ce\uc740 \uc0ac\ub78c\ub4e4\uc774 \uadf8\ub807\uac8c \uc0ac\uc6a9\ud558\uace0 \uc788\uc73c\uba70, \uc774 \ubb38\uc81c\ub85c \ub2e4\ud22c\ub294 \uc0ac\ub78c\uc740 \uc5c6\ub2e4\uace0 \ubcf4\uc544\ub3c4 \ubb34\ubc29\ud558\ub2e4. (\uc544\ub194\ub2d8 \ube7c\uace0…)<\/p>\n

\ud558\uc9c0\ub9cc a\ub77c\ub294 \uc218\ub97c \uc815\uc218\uac00 \uc544\ub2c8\ub77c \uc720\ub9ac\uc218\ub098 \uc2e4\uc218 \uc9d1\ud569\uc5d0\uc11c \uc120\ud0dd\ud558\uac8c \ub418\uba74 \uc9dd\uc218\ub098 \ud640\uc218\ub77c\ub294 \uac1c\ub150\uc774 \uc0ac\ub77c\uc9c0\uac8c \ub41c\ub2e4. \ub9cc\uc57d “a\ub294 \uc9dd\uc218\uc774\ub2e4”\ub77c\ub294 \ubb38\uc7a5\uc744 \uc2e4\uc218 \uc9d1\ud569\uc5d0\uc11c \ub17c\uc758\ud560 \ub54c, \uc9c4\ub9ac \ud310\ub2e8\uc744 \ud558\uace0 \uc2f6\ub2e4\uba74 “\uc9dd\uc218”\uc5d0 \ub300\ud574\uc11c \uc2e4\uc218 \ubc94\uc704\uc5d0\uc11c \uc815\uc758\ud574\uc57c\ub9cc \ud560 \uac83\uc774\ub2e4. \uac00\ub839 “a\ub294 \ub3fc\uc9c0\ub2e4”\ub77c\ub294 \ubb38\uc7a5\uc5d0 \ub300\ud574\uc11c \uc9c4\ub9ac \ud310\ub2e8\uc744 \ud558\uace0 \uc2f6\uc740\ub370, a\ub97c \uc2e4\uc218 \uc9d1\ud569\uc5d0\uc11c \uc120\ud0dd\ud574\uc11c \uac16\uace0 \uc628\ub2e4\uba74, \ub3c4\ub300\uccb4 \uc2e4\uc218 \uc9d1\ud569\uc5d0\uc11c\uc758 “\ub3fc\uc9c0”\ub77c\ub294 \uac1c\ub150\uc740 \uc5b4\ub5bb\uac8c \uc815\uc758\ud560 \uac83\uc778\uac00? \uc989, \uc815\uc758\ub418\uc9c0 \uc54a\uc558\ub2e4\uba74 \uc6b0\ub9ac\ub294 \ud310\ub2e8\uc744 \ud560 \uc218 \uc5c6\ub2e4. \ubd84\uba85\ud788 \ub9d0\ud558\uc9c0\ub9cc, \uc2e4\uc218\uc5d0\uc11c \uc9dd\uc218\/\ud640\uc218\ub77c\ub294 \uac1c\ub150\uc744
\n
\n \uc815\uc758\ud558\uc9c0 \uc54a\ub294\ub2e4\uba74
\n <\/span>
\n \uc800 \ubb38\uc7a5\uc740 \uba85\uc81c\uac00 \ub418\uc9c0 \uc54a\ub294\ub2e4. \uba85\uc81c\uc758 \uc815\uc758\ub294 \ucc38\/\uac70\uc9d3\uc744 \ud310\ub2e8\ud560 \uc218 \uc788\ub294 \ubb38\uc7a5\uc774\uae30 \ub54c\ubb38\uc774\ub2e4.
\n
\n \ubcf4\ucda9 \uc124\uba85\uc744 \ubd99\uc774\uc790\uba74, \uc544\ub194 \ub2d8\uc740 “a\ub294 \uc9dd\uc218\uc774\ub2e4”\ub77c\ub294 \ubb38\uc7a5\uc774 \uc9dd\uc218\/\ud640\uc218 \uac1c\ub150\uc774 \ubb34\uc758\ubbf8\ud558\ub354\ub77c\ub3c4 \uba85\uc81c\uac00 \ub420 \uc218 \uc788\ub2e4\uace0 \uc8fc\uc7a5\ud558\uace0 \uc788\ub2e4. \ud558\uc9c0\ub9cc \uadf8\uac83\uc740 \uc2e4\uc218\uc5d0\uc11c \uc5b4\ub5a4 \uc2dd\uc73c\ub85c\ub4e0 \uc9dd\uc218\/\ud640\uc218\ub77c\ub294 \uac1c\ub150\uc744 \uc815\uc758\ud55c \uc0c1\ud0dc\uc5d0\uc11c\uc758 \ub9d0\uc774 \ub420 \uac83\uc774\ub2e4. \ub2e4\uc2dc\ub9d0\ud574\uc11c, \uc544\ub194 \ub2d8\uc740 \uc9dd\uc218\/\ud640\uc218 \uac1c\ub150\uc744 \uc774\ubbf8 \uc54c\uace0 \uc788\uace0, \uadf8 \uac1c\ub150\uc744 \uc5b4\ub5a4 \uc2dd\uc73c\ub85c\ub4e0 \uc2e4\uc218 \uc9d1\ud569\uc73c\ub85c \ud655\uc7a5\uc2dc\ucf1c\uc11c \uc0dd\uac01\ud558\uace0 \uc788\ub294 \uac83\uc774\ub2e4. \uc774\uac83\uc740 \uba85\uc2dc\uc801\uc73c\ub85c \ub9d0\ud558\uc9c0\ub294 \uc54a\uc558\uc73c\ub098 \uc774\ubbf8 \uc9dd\uc218\/\ud640\uc218 \uac1c\ub150\uc744 \uc2e4\uc218 \uc9d1\ud569\uc5d0\uc11c
\n
\n \uc815\uc758\ud55c \uc774\ud6c4\uc5d0
\n <\/span>
\n \uc0dd\uac01\ud560 \uc218 \uc788\ub294 \uc77c\uc774\ub2e4. \uc55e\uc11c \uc608\ub97c \ub4e4\uc5c8\ub4ef\uc774 “a\ub294 \ub3fc\uc9c0\ub2e4”\ub77c\ub294 \ubb38\uc7a5\uc758 \uc9c4\ub9ac \ud310\ub2e8\uc744 \uc2e4\uc218 \uc9d1\ud569\uc5d0 \ub300\ud574\uc11c \ud558\ub824\uace0 \uc2dc\ub3c4\ud558\uba74 \uc5b4\ub824\uc6c0\uacfc \ub9cc\ub098\uac8c \ub41c\ub2e4. \ub3fc\uc9c0\ub77c\ub294 \uac1c\ub150\uc5d0 \ub300\ud574 \uc815\uc758\uac00 \ub418\uc9c0 \uc54a\uc558\uae30 \ub54c\ubb38\uc774\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc6b0\ub9ac\uac00 “\uc9dd\uc218”\ub77c\uace0 \ubd80\ub974\ub294 \uac83\uc774\ub098 “\ud640\uc218”\ub77c\uace0 \ubd80\ub974\ub294 \uac83\uc5d0 \ub300\ud574\uc11c \uc815\uc758\ud558\uc9c0 \uc54a\uc558\ub2e4\uba74, “a\ub294 \uc9dd\uc218\uc774\ub2e4”\ub77c\ub294 \ubb38\uc7a5\uc740 \uba85\uc81c\uac00 \ub418\uc9c0 \uc54a\ub294\ub2e4. \uc2e4\uc81c\ub85c, \uc544\ub194 \ub2d8\uc740 \ub313\uae00\uc5d0\uc11c \ub2e4\uc74c\uacfc \uac19\uc774 \uc8fc\uc7a5\ud558\uace0 \uc788\ub2e4.<\/p>\n

\n ab\uac00 \ud640\uc218\uc774\uba74 a,b \ubaa8\ub450 \ud640\uc218\uc774\ub2e4. – \uac70\uc9d3\uc774\ub429\ub2c8\ub2e4.
\n
\n \uc65c\ub0d0\ud558\uba74 a=1\/2 b=2 \uc758 \ubc18\ub840\uac00 \uc788\uc73c\ub2c8\uae4c\uc694.

<\/p>\n

\uadf8\ub7f0\ub370 \uce7c\ub7fc\ucc98\ub7fc \ud640\uc218\uc758 \ubd80\uc815\uc774 \uc9dd\uc218\uac00 \ub418\uba74
\n
\n \uc704\uba85\uc81c\uc758 \ub300\uc6b0\uac00 a\ub610\ub294b\uac00 \uc9dd\uc218\uba74 ab\ub294 \uc9dd\uc218\ub2e4 \uac00 \ub418\uc11c
\n
\n \ucc38\uc774 \ub418\uc5b4\ubc84\ub9bd\ub2c8\ub2e4.<\/p>\n

\uc774\ub7f0 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud558\ub294 \uc774\uc720\ub294 \uc704\uc758 \uce7c\ub7fc\ucc98\ub7fc
\n
\n \uc798\ubabb\ub41c \ud310\ub2e8\uc744 \ud558\uae30 \ub54c\ubb38\uc774\uc8e0.<\/p>\n

\uc989 \uc81c\ub300\ub85c\ub41c \ub300\uc6b0\ub294 a\ub610\ub294 b\uac00 \ud640\uc218\uac00 \uc544\ub2c8\uba74 ab\ub3c4 \ud640\uc218\uac00 \uc544\ub2c8\ub2e4. \uac00 \ub429\ub2c8\ub2e4.\n <\/p><\/div>\n

\n \uc774 \ubd80\ubd84\uc5d0\uc11c\ub294, \uc5b4\ucc0c\ub418\uc5c8\ub4e0 2\ub294 \uc9dd\uc218\uc774\uace0 1\/2\ub294 \uc9dd\uc218\uac00 \uc544\ub2c8\ub77c\uace0 \ub9d0\ud558\uace0 \uc788\uc73c\uba70, \uc774\uac83\uc740 \uc815\uc218\uc5d0\uc11c \uc9dd\uc218\ub294 2n, \ud640\uc218\ub294 2n+1\ucc98\ub7fc \uc815\uc758\ub41c\ub2e4\uace0 \ud558\ub294 \uc120\ud5d8\uc801 \uc9c0\uc2dd\uc744 \uc2e4\uc218 \uc9d1\ud569\uc5d0\uc11c \uc815\uc758\ud558\uace0 \uc0ac\uc6a9\ud558\uace0 \uc788\uae30 \ub54c\ubb38\uc5d0 \uac00\ub2a5\ud55c \uac83\uc774\ub2e4. \ucc98\uc74c\ubd80\ud130 \uc815\uc758\ud558\uc9c0 \uc54a\uc558\ub2e4\uba74 \uc774\ub7f0 \ub17c\uc758\ub294 \ubd88\uac00\ub2a5\ud558\ub2e4.
\n
\n \uc624\ud574\ud560\uae4c\ubd10 \ubbf8\ub9ac \ub9d0\ud574\ub450\uc9c0\ub9cc, \uc774\uac83\uc740 \uc815\uc218 \uc9d1\ud569\uc774\ub77c\uace0 \ud574\uc11c \uc608\uc678\uac00 \uc544\ub2d8\uc744 \ubc1d\ud600\ub454\ub2e4. \uc815\uc218\uc5d0\uc11c\ub3c4 \uc9dd\uc218\ub098 \ud640\uc218\ub77c\ub294 \uac1c\ub150\uc744 \uc815\uc758\ud558\uc9c0 \uc54a\ub294\ub2e4\uba74, \uc6b0\ub9ac\uac00 \uc2ec\uc9c0\uc5b4 “a\ub294 \uc9dd\uc218\uc774\ub2e4”\ub77c\ub294 \ubb38\uc7a5\uc758 \uc9c4\ub9ac \ud310\ub2e8\uc744 \uc815\uc218 \uc9d1\ud569\uc5d0\uc11c \uc2dc\ub3c4\ud558\ub354\ub77c\ub3c4 \ubb38\uc81c\uc810\uc5d0 \ubd80\ub52a\uce58\uac8c \ub41c\ub2e4. \uc815\uc758\ud558\uc9c0 \uc54a\uc558\uc73c\uba74 \ubb34\uc5c7\uc778\uc9c0 \uc54c \uc218\uc870\ucc28 \uc5c6\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n

\uc774\uc81c, \uadf8 \ub2e4\uc74c\uc73c\ub85c \ub118\uc5b4\uac00\ub3c4\ub85d \ud558\uc790. \uc2e4\uc218 \uc9d1\ud569\uc5d0\uc11c \uc9dd\uc218\/\ud640\uc218\ub77c\ub294 \uac1c\ub150\uc744 \uc5b4\ucc0c\ub418\uc5c8\ub4e0 \uc815\uc758\ud558\uc790. \uc815\uc218 \uc9d1\ud569\uc5d0\uc11c\uc758 \uc815\uc758\ub97c \uadf8\ub300\ub85c \uc2e4\uc218 \uc9d1\ud569\uc73c\ub85c \ud655\uc7a5\ud558\ub294 \uac83\uc774\ub2e4. \uc989, \uc5b4\ub5a4 \uc2e4\uc218 a\uc5d0 \ub300\ud574\uc11c 2n\uc744 \ub9cc\uc871\ud558\ub294 \uc2e4\uc218 n\uc774 \uc788\uc73c\uba74 a\ub294 \uc9dd\uc218\uc774\uace0, 2n+1\uc744 \ub9cc\uc871\ud558\ub294 \uc2e4\uc218 n\uc774 \uc788\uc73c\uba74 a\ub294 \ud640\uc218\uc774\ub2e4. \ubb3c\ub860 \uc5ec\uae30 \ub4f1\uc7a5\ud558\ub294 2\uc640 1\uc740 \ubaa8\ub450 \uc2e4\uc218\ub85c \uac04\uc8fc\ud55c\ub2e4.
\n
\n \ub09c \uc5ec\uae30\uc11c \uc0ac\uce59\uc5f0\uc0b0\uc758 \uacbd\uc6b0 \uc0ac\uce59\uc5f0\uc0b0\uc5d0 \ucc38\uc5ec\ud558\ub294 \uc22b\uc790\ub4e4\uc774 \ubaa8\ub450 \uac19\uc740 \uc9d1\ud569\uc5d0 \uc788\uc5b4\uc57c \ud560 \uac83\uc744 \uc8fc\uc7a5\ud558\ub294\ub370, \uc544\ub194\ub2d8\uc740 \uc774\uc5d0 \ub300\ud55c \ubc18\ub840\ub97c \ub4e4\uc5c8\ub2e4.
\n <\/p>\n

\n \uc608) \uc720\ub9ac\uc218\uc758 \uc815\uc758
\n
\n a\uac00 \uc720\ub9ac\uc218\uc774\ub2e4. <=> \uc5b4\ub5a4\uc815\uc218 p,q\uac00 \uc874\uc7ac\ud558\uc5ec
\n
\n a=q\/p \ub97c \ub9cc\uc871(\ub2e8p\ub294 0\uc774 \uc544\ub2c8\ub2e4)

<\/p>\n

\ub8e8\ud2b82\uac00 \uc720\ub9ac\uc218\uac00 \uc544\ub2d8\uc744 \ubcf4\uc774\ub294\ub370 p,q \ub3c4 \uc720\ub9ac\uc218\ub098
\n
\n \uc2e4\uc218\ub85c \ud655\uc7a5\ud558\ub098\uc5ec?<\/p>\n

\ub8e8\ud2b82\uac00 \uc720\ub9ac\uc218\ub77c \uac00\uc815\ud558\uba74 \uc5b4\ub5a4 \uc815\uc218 p,q\uac00 \uc788\uc5b4
\n
\n \ub8e8\ud2b82=q\/p\ub97c \ub9cc\uc871\ud55c\ub2e4\uace0 \ud558\uba74…<\/p>\n

\uc774\ub807\uac8c \uc2dc\uc791\ud558\uc5ec \ubb34\ub9ac\uc218\uc784\uc744 \uc99d\uba85\ud569\ub2c8\ub2e4.\n <\/p><\/div>\n

\uc774 \uc608\uc81c\ub97c \ubcf4\uc558\uc744 \ub54c, \ub531\ud788 \ud560\ub9d0\uc774 \uc5c6\uc5c8\ub294\ub370, \uc0dd\uac01\ud574\ubcf4\ub2c8 \uc774 \uc608\uc81c\ub294 \uc801\uc808\ud558\uc9c0 \uc54a\ub2e4.
\n
\n \uc5b4\ub5a4 \uc720\ub9ac\uc218\ub97c \ud45c\ud604\ud560 \ub54c, a=q\/p\ub77c\uace0 \uc4f0\uace0 a\uac00 \uc720\ub9ac\uc218\uc778\uc9c0 \ubb34\ub9ac\uc218\uc778\uc9c0 \ud310\ub2e8\ud560 \ub54c, \uc800\uae30\uc11c =\uae30\ud638\uac00 \uc758\ubbf8\ud558\ub294 \uac83\uc740 \ub300\uc751 \uad00\uacc4\uc774\ub2e4. \uc989, \uc5b4\ub5a4 \ub300\uc0c1\uc73c\ub85c\uc11c \uac19\uc74c\uc744 \uc774\uc57c\uae30\ud558\ub294\uac8c \uc544\ub2c8\ub77c “\uc720\ub9ac\uc218”\ub77c\uace0 \ubd80\ub974\ub294 \uc9d1\ud569\uc5d0\uc11c “a”\ub77c\uace0 \ud558\ub294 \uc6d0\uc18c\ub294, \uc815\uc218 \uc9d1\ud569\uc5d0\uc11c \ub450\uac1c\uc758 \uc6d0\uc18c\ub97c \ubf51\uc544\uc11c \ub9cc\ub4e0 (p,q)\ub77c\ub294 \uc6d0\uc18c\uc640 \ub300\uc751\ub41c\ub2e4\ub294 \uac83\uc744 \ub73b\ud55c\ub2e4. \uadf8\ub9ac\uace0 (p,q)\ub77c\ub294 \uae30\ud638\ub97c \uac04\ud3b8\ud558\uac8c \uc4f0\uae30 \uc704\ud574\uc11c q\/p\ub77c\ub294 \ud45c\ud604 \ubc29\uc2dd\uc744 \uc120\ud0dd\ud55c \uac83\uc774\ub2e4. \uc815\ud655\ud788 \ub9d0\ud558\uba74, \uc720\ub9ac\uc218\ub294 2\uac1c\uc758 \uc815\uc218 \uc9d1\ud569\uc5d0\uc11c \uc6d0\uc18c\ub97c \uac01\uac01 1\uac1c\uc529 \ubf51\uc544\uc11c \ub9cc\ub4e0 \uc21c\uc11c\uc30d\ub4e4\uc758 \uc9d1\ud569\uc774\uace0, \uc5ec\uae30\uc5d0 \uc774\ud56d\uc5f0\uc0b0\uc73c\ub85c \ub367\uc148\uacfc \uacf1\uc148\uc774\ub77c\uace0 \ubd80\ub974\ub294 \uac83\uc744 \uc900 \uccb4(field)\uc774\ub2e4.
\n
\n \ub9cc\uc57d q\/p\ub77c\ub294 \ud45c\ud604 \ubc29\uc2dd\uc774 \uc0ac\uce59\uc5f0\uc0b0\uc758 \ub098\ub217\uc148\uc5d0 \ud574\ub2f9\ud55c\ub2e4\uace0 \ud558\uba74, (1,q)\/(1,p)=(p,q)\ucc98\ub7fc \uc4f0\ub294 \uac83\uc774 \ub9de\ub2e4. \uc989, \uc0ac\uce59\uc5f0\uc0b0\uc5d0 \ub4f1\uc7a5\ud558\ub294 p\uc640 q\ub294 \ubaa8\ub450 \uc720\ub9ac\uc218\ub85c\uc11c \uac04\uc8fc\ud574\uc57c \ud55c\ub2e4. \ub610\ud55c, \uae30\uc57d\ubd84\uc218\ub85c \ub9cc\ub4e4\uc5c8\uc744 \ub54c \ubd84\ubaa8\uac00 1\uc778 \uac83\ub4e4\uc744 \uc720\ub9ac\uc218 \uc9d1\ud569\uc5d0\uc11c\uc758 \uc815\uc218\ub85c \uac04\uc8fc\ud558\uc790\ub294 \uc8fc\uc7a5\ub3c4 \uc788\uc744 \uc218 \uc788\uc9c0\ub9cc, \uadf8\uac74 \uc720\ub9ac\uc218\uac00 \ucc98\uc74c\ubd80\ud130 \ub450 \uc815\uc218\uc758 \uc21c\uc11c\uc30d\uc5d0\uc11c\ubd80\ud130 \uc815\uc758\ub418\uc5c8\uc74c\uc744 \ub9dd\uac01\ud55c \uc21c\ud658 \ub17c\ub9ac\uc758 \uc624\ub958\uac00 \ub41c\ub2e4. \ub354\uad70\ub2e4\ub098, \uc720\ub9ac\uc218\uc5d0\uc11c \uc6b0\ub9ac\uac00 \ub098\ub217\uc148\uc774\ub77c\uace0 \ubd80\ub974\ub294 \uac83\uc774 \ub530\ub85c \uc815\uc758\ub41c \uac83\uc774 \uc544\ub2c8\ub77c, \ucc98\uc74c\ubd80\ud130 \uc5b4\ub5a4 \uc6d0\uc18c\uc5d0 \ub300\ud574 \uacf1\uc148\uc758 \uc5ed\uc6d0\uc744 \uc815\uc758\ud558\uace0, “\uacf1\uc148\uc758 \uc5ed\uc6d0\uc744 \uacf1\ud55c\ub2e4”\ub294 \uae34 \ubb38\uc7a5\uc744 \uc904\uc5ec\uc11c “\ub098\ub217\uc148”\uc774\ub77c\uace0 \ubd80\ub974\ub294 \uac83\uc77c \ubfd0\uc774\ub2e4.
\n
\n \uadf8\ub9ac\uace0 \ub8e8\ud2b82\uac00 \uc720\ub9ac\uc218\uac00 \uc544\ub2d8\uc744 \ubcf4\uc77c \ub54c (1,q)\/(1,p)=(p,q)\ucc98\ub7fc \uc4f0\uace0, \uc81c\uacf1\ud574\uc11c (1,2)=(1,q)*(1,q)\/(1,p)*(1,p)\ub77c\uace0 \uc4f0\ub294 \uac83\uc774 \uc880 \ub354 \ubd84\uba85\ud55c \ud45c\ud604\ud615\uc2dd\uc774 \ub420 \uac83\uc774\ub2e4. \uc774\ub807\uac8c \uc4f0\uace0\ub098\uc11c\ub294 2*p*p=q*q\ub77c\uace0 \uc4f8 \uc218 \uc788\uace0, \uc5ec\uae30\uc11c\uc758 2, p, q\ub294 \ubaa8\ub450 \uc815\uc218\uc774\uae30 \ub54c\ubb38\uc5d0 \uc9dd\uc218\/\ud640\uc218\uc5d0 \ub300\ud574 \uc790\uc5f0\uc2a4\ub7ec\uc6b4 \ud310\ub2e8\uc744 \ud560 \uc218 \uc788\uc73c\uba70, \ub530\ub77c\uc11c \ub8e8\ud2b82\uac00 \uc720\ub9ac\uc218\uac00 \ub418\uc9c0 \uc54a\uc74c\uc744 \ubcf4\uc77c \uc218 \uc788\ub2e4.
\n
\n \uc774\ub54c \uc0dd\uac01\ud560 \uc218 \uc788\ub294 \ubc18\ub860\uc740, \ub0b4\uac00 \ubc29\uae08 \uc0ac\uce59\uc5f0\uc0b0\uc740 \ud558\ub098\uc758 \uc9d1\ud569\uc5d0\uc11c\ub9cc \ud574\uc57c \ud55c\ub2e4\uace0 \ud588\ub294\ub370, \ub8e8\ud2b82\ub294 \uc720\ub9ac\uc218\uac00 \uc544\ub2cc \uc2e4\uc218\ub2c8\uae4c \uc2e4\uc218\uc758 \uc0ac\uce59\uc5f0\uc0b0\uacfc \uc720\ub9ac\uc218\uc758 \uc0ac\uce59\uc5f0\uc0b0\uc744 \ud63c\uc6a9\ud574\uc11c \uc4f4 \uac83 \uc544\ub2c8\ub0d0\uace0 \ub530\uc9c8 \uc218 \uc788\ub2e4. \ubb3c\ub860 \ub9d0 \ub41c\ub2e4. \ud558\uc9c0\ub9cc \ub8e8\ud2b82\ub77c\ub294 \uc218\ub294 \uc720\ub9ac\uc218\uc5d0\uc11c\ub3c4 “\uc815\uc758”\ud560 \uc218 \uc788\ub2e4. \ub2e4\ub9cc, \uadf8\ub7f0 \uc6d0\uc18c\uac00 \uc720\ub9ac\uc218 \uc9d1\ud569\uc5d0 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc74c\uc744 \ubcf4\uc77c \uc218 \uc788\uc744 \ubfd0\uc774\ub2e4. \uc989, “\uc81c\uacf1\ud574\uc11c \uc720\ub9ac\uc218 2\uac00 \ub418\ub294 \uc22b\uc790”\ub77c\uace0 \uc4f0\uace0, \uadf8\ub7f0 \uc6d0\uc18c\uc5d0\uac8c “\ub8e8\ud2b82″\ub77c\ub294 \uc774\ub984\uc744 \ubd99\uc5ec\uc900\ub2e4. \uc5ec\uae30\uae4c\uc9c0\ub294 \uc720\ub9ac\uc218 \uc9d1\ud569\uc5d0\uc11c\ub3c4 \ucda9\ubd84\ud788 \ub17c\uc758\ud560 \uc218 \uc788\ub294 \uac83\uc774\ub2e4.<\/p>\n

\ub2e4\uc2dc \ubcf8\ub860\uc73c\ub85c \ub3cc\uc544\uc624\uaca0\ub2e4.
\n
\n \uc544\ubb34\ud2bc \uc544\ub194\ub2d8\uc758 \uc8fc\uc7a5\uc740 “\ud2b9\ubcc4\ud788 \uc815\uc218\ub77c\ub294 \uac00\uc815\uc744 \ud558\uc9c0 \uc54a\ub294 \ud55c, [“a\ub294 \uc9dd\uc218\uc774\ub2e4”\uc758 \ubd80\uc815\uc774 “a\ub294 \ud640\uc218\uc774\ub2e4”]\ub77c\uace0 \uc8fc\uc7a5\ud558\ub294 \uac83\uc740 \uc624\ub958\uac00 \uc788\ub2e4.”\ub294 \uac83\uc774\ub2e4. \ubb3c\ub860 \ub098 \ub610\ud55c \uc774 \uc8fc\uc7a5\uc5d0 \ub17c\ub9ac\uc801 \uc624\ub958\uac00 \uc788\uc74c\uc744 \ub9d0\ud558\ub294\uac83\uc740 \uc544\ub2c8\ub2e4. \uc9dd\uc218\/\ud640\uc218 \uac1c\ub150\uc744 \uc5b4\ub5a4 \uc2dd\uc73c\ub85c\ub4e0 \uc2e4\uc218 \uc9d1\ud569\ub85c \ud655\uc7a5\ud558\uc5ec \uc815\uc758\ud558\uace0 \ub098\uc11c \uadf8\ub7f0 \ubb38\uc7a5\uc5d0 \ub300\ud574\uc11c \ub17c\uc758\ud558\ub294 \uac83\uc740 \ubb38\uc81c\uac00 \uc5c6\ub2e4.
\n
\n \uc5ec\uae30\uae4c\uc9c0\ub294 \uc544\ub194\ub2d8\uc758 \ub313\uae00\uc5d0 \ub300\ud55c \ub2f5\ubcc0\uc774 \ub418\uaca0\ub2e4.<\/p>\n

\uc774\ud6c4 \ub0b4\uc6a9\uc740 \ucd94\uac00\ub418\ub294 \ub17c\uc758\uc774\ub2e4.<\/p>\n

\ud558\uc9c0\ub9cc \uc5b4\uca0c\ub4e0 \uc9dd\uc218\ub294 2n, \ud640\uc218\ub294 2n+1\ucc98\ub7fc \uc815\uc758\ud558\uc790. \uadf8\ub807\uac8c \ub418\uba74, \ubaa8\ub4e0 \uc2e4\uc218\ub294 \uc9dd\uc218\uc774\uace0, \ubaa8\ub4e0 \uc2e4\uc218\ub294 \ud640\uc218\uc774\ub2e4. \uc774 \uc8fc\uc7a5\uc5d0 \ub300\ud574\uc11c\ub294 \uc774\uc758\uac00 \uc5c6\uc744 \uac83\uc774\ub77c \uc0dd\uac01\ud55c\ub2e4.
\n
\n “a\ub294 \uc9dd\uc218\uc774\ub2e4”\uc758 \ubd80\uc815\uc774 “a\ub294 \uc9dd\uc218\uac00 \uc544\ub2c8\ub2e4”\uc784\uc740 \uba85\ubc31\ud558\ub2e4. \uadf8\ub9ac\uace0 “a\ub294 \uc9dd\uc218\uc774\ub2e4”\uc758 \ubd80\uc815\uc774 “a\ub294 \ud640\uc218\uc774\ub2e4”\uac00 \ub420 \uc218 \uc5c6\uc74c\ub3c4 \uba85\ubc31\ud558\ub2e4. \ud558\uc9c0\ub9cc, \ub098\ub294 \uc5ec\uae30\uc11c \uc5b8\ub73b \uada4\ubcc0(?)\uc73c\ub85c \uc0dd\uac01\ub420 \uc218 \uc788\ub294 \uc8fc\uc7a5\uc744 \ud558\ub824 \ud55c\ub2e4. \uc6b0\ub9ac\uac00 \uc2e4\uc218 \uc9d1\ud569\uc5d0\uc11c \ub17c\uc758\ud558\ub294 \uacbd\uc6b0\uc5d0\ub294 “a\ub294 \uc9dd\uc218\uc774\ub2e4”\ub77c\ub294 \uba85\uc81c\ub294 “a\ub294 \ud640\uc218\uc774\ub2e4”\ub77c\ub294 \uba85\uc81c\uc640 \ub3d9\uce58\uc774\ub2e4. (\ud56d\uc0c1 \uc9c4\ub9ac\uac12\uc774 \uac19\ub2e4.)<\/p>\n

\uadf8 \uc99d\uba85\uc740 \uac04\ub2e8\ud788 \ub2e4\uc74c\uacfc \uac19\ub2e4. \uc784\uc758\uc758 \uc2e4\uc218 a\ub97c \uc120\ud0dd\ud55c\ub2e4. \ubaa8\ub4e0 \uc2e4\uc218\uac00 \uc9dd\uc218\uc774\ubbc0\ub85c a\ub294 \uc9dd\uc218\uc774\ub2e4. \ubaa8\ub4e0 \uc2e4\uc218\uac00 \ud640\uc218\uc774\ubbc0\ub85c a\ub294 \ud640\uc218\uc774\ub2e4. \ub530\ub77c\uc11c a\ub294 \uc9dd\uc218\uc774\uba74\uc11c \ud640\uc218\uc774\ub2e4. \uc784\uc758\uc758 \uc2e4\uc218 a\uc5d0 \ub300\ud574\uc11c \uc774 \ub17c\uc758\uac00 \uc131\ub9bd\ud558\ubbc0\ub85c \ub098\uc758 \uc8fc\uc7a5\uc740 \uc99d\uba85\ub41c\ub2e4.<\/p>\n

“a\ub294 \uc9dd\uc218\uc774\ub2e4”\ub77c\ub294 \ubb38\uc7a5\uc758 \ubd80\uc815\uc774 “a\ub294 \uc9dd\uc218\uac00 \uc544\ub2c8\ub2e4”\ub77c\ub294 \uac74 \uba85\ubc31\ud558\uae34 \ud55c\ub370, \uc5b4\uca0c\ub4e0 \uc774 \uc8fc\uc7a5\uc740 \uac70\uc758 \uc758\ubbf8\uac00 \uc5c6\ub2e4. \uc65c\ub0d0\ud558\uba74 \uc2e4\uc218 \uc911\uc5d0\uc11c \uc9dd\uc218\uac00 \uc544\ub2cc \uc6d0\uc18c\uac00 \ud558\ub098\ub3c4 \uc5c6\uae30 \ub54c\ubb38\uc774\ub2e4. \ud640\uc218\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\ub2e4.
\n
\n \ub098\ub294 \uc544\ub194\ub2d8\uc740 \ub17c\ub9ac\uc801\uc73c\ub85c\ub294 \uc62c\ubc14\ub974\uc9c0\ub9cc \uc218\ud559\uc801\uc73c\ub85c\ub294 \ube44\uc0c1\uc2dd\uc5d0 \uc18d\ud55c\ub2e4\uace0 \uc0dd\uac01\ud55c\ub2e4. \uc9dd\uc218\/\ud640\uc218\ub77c\ub294 \uac1c\ub150\uc740 \uc9d1\ud569\uc744 \ub450\uac1c\ub85c \ub098\ub20c \uc218 \uc788\ub294 \uc815\uc218 \uc9d1\ud569\uc5d0\uc11c \ub17c\uc758\ud558\uace0 \uc788\ub2e4\ub294 \uc810\uc744 \ub204\uad6c\ub098 \ub2f9\uc5f0\ud558\uac8c \uc0dd\uac01\ud558\uae30 \ub54c\ubb38\uc774\ub2e4. (\ube44\uc0c1\uc2dd\uc774\ub77c\uace0 \ud574\uc11c \ubb38\uc81c\uac00 \ub418\ub294\uac74 \uc544\ub2c8\uc9c0\ub9cc, \uc774\ub7f0 \uacbd\uc6b0 \ub2e4\ub978 \uc218\ud559\uc790\ub4e4\uacfc \ud1a0\ub860\ud560 \ub54c\uc5d0\ub294 \ub300\uc0c1\uc73c\ub85c \uc0bc\ub294 \uc9d1\ud569\uacfc \uac1c\ub150\uc758 \uc815\uc758\ub97c \uba85\ud655\ud558\uac8c \ud574 \ub450\uc5b4\uc57c \ud55c\ub2e4. \uc548\uadf8\ub7ec\uba74 \uc6d0\ub798 \uae00\uc5d0\uc11c\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc4f8\ub370\uc5c6\uc774 \uc2f8\uc6b8 \uc218 \uc788\ub2e4.)<\/p>\n

\ub9cc\uc57d \uc9d1\ud569\uc744 \ud655\uc7a5\ud574\uc11c “\uc9dd\uc218\uac00 \uc544\ub2cc \uc6d0\uc18c”\uc640 “\ud640\uc218\uac00 \uc544\ub2cc \uc6d0\uc18c”\ub4e4\uc744 \uc2e4\uc218 \uc9d1\ud569\uc5d0 \ucd94\uac00\uc2dc\ud0a8\ub2e4\uace0 \ud574 \ubcf4\uc790. \uc774\ub7f0\uc2dd\uc758 \uc77c\ubc18\ud654\ub294 \ud754\ud788 \ud55c\ub2e4. \ubcf5\uc18c\uc218\ub294 \uc2e4\uc218\uc5d0 “\uc81c\uacf1\ud574\uc11c -1\uc774 \ub418\ub294 \uc218”\ub97c \ub123\uace0, \ub300\uc218\uc801\uc73c\ub85c \uc644\ube44\uc131\uc744 \uac00\ubbf8\ud574\uc11c \uc644\uc131\uc2dc\ud0ac \uc218 \uc788\ub2e4. \uc544\ubb34\ud2bc \uc9dd\uc218\uac00 \uc544\ub2cc \uc6d0\uc18c\uc640 \ud640\uc218\uac00 \uc544\ub2cc \uc6d0\uc18c\ub97c \ud3ec\ud568\ud55c \ud655\uc7a5\ub41c \uc2e4\uc218 \uc9d1\ud569\uc5d0\uc11c\uc758 \ub300\uc218\ud559\uc740 \uc5b4\ub5a4 \ud615\uc2dd\uc774 \ub420\uae4c?
\n
\n \uc9dd\uc218\uac00 \uc544\ub2cc \uc6d0\uc18c\ub97c e\ub77c\uace0 \ud558\uace0, \ud640\uc218\uac00 \uc544\ub2cc \uc6d0\uc18c\ub97c o\ub77c\uace0 \ud558\uc790. \uc989, \uc6b0\ub9ac\uac00 \ub17c\uc758\ud560 \uc9d1\ud569\uc740 “\uc2e4\uc218 \uc9d1\ud569\uacfc {e,o}\ub77c\ub294 \uc9d1\ud569\uc758 \ud569\uc9d1\ud569”\uc744 \ub300\uc218\uc801\uc73c\ub85c \uc644\ube44\uc131\uc744 \uac16\ub3c4\ub85d \ub9cc\ub4e0 \uc9d1\ud569\uc774 \ub420 \uac83\uc774\ub2e4. (\ubb3c\ub860 \uc2e4\uc218\uac00 \uccb4(field)\ub97c \uc774\ub8e8\ubbc0\ub85c \uc6b0\ub9ac\uac00 \ub17c\uc758\ud560 \uadf8 \uc9d1\ud569\ub3c4 \uccb4(field)\uac00 \ub418\uc5b4\uc57c \ud560 \uac83\uc774\ub2e4.)<\/p>\n

\uc2e4\uc218\ub294 \uc9dd\uc218\uc774\uba74\uc11c \ud640\uc218\ub77c\uace0 \ud588\ub2e4. \uadf8\ub807\ub2e4\uba74, e\uc640 o\ub294 \uc11c\ub85c \ub2e4\ub978\uac00? \uc774\ub7f0 \uc9c8\ubb38\uc774 \uac00\ub2a5\ud560 \uac83\uc774\ub2e4. \uadf8\ub9ac\uace0 e\uc640 o\uac00 \ub300\uc218\uc801\uc73c\ub85c \ub2e4\ub8e8\uc5b4\uc9c8 \uc218 \uc788\ub2e4\uba74 e*o\ub294 \uc5b4\ub5a4 \uc22b\uc790\uc778\uc9c0 \uad81\uae08\ud574 \uc9c8 \uac83\uc774\ub2e4. \uadf8\ub9ac\uace0 2e+1\uc740 \uc9dd\uc218\uc778\uac00, \ud640\uc218\uc778\uac00, \uc544\ub2c8\uba74 \ub458 \ub2e4 \uc544\ub2cc\uac00. \uc6b0\ub9ac\uc758 \ub17c\uc758\uc5d0 \ub530\ub974\uba74, \ud655\uc7a5\ub41c \uc2e4\uc218 \uc9d1\ud569\uc5d0\uc11c\uc758 \uc9dd\uc218\/\ud640\uc218 \uac1c\ub150\uc740 \uc2e4\uc218\uc5d0\uc11c \uc815\uc758\ud55c \uac83\uc744 \uadf8\ub300\ub85c \ud655\uc7a5\ud574\uc11c \uc0ac\uc6a9\ud574\uc57c \ud560 \uac83\uc774\ub2e4. \uadf8\ub807\ub2e4\uba74 2e+1\uc740 \ub610\ud55c \ud640\uc218\uc774\ub2e4. \ub300\uc218\uc801\uc73c\ub85c \uc644\ube44\uc131\uc744 \uac16\ucd94\uc5b4\ub2e4\uba74 2e+1=2(e\/2+1\/2)\uc774\ubbc0\ub85c \uc9dd\uc218\uc774\ub2e4. 2e\ub098 2o, 2o+1\uac19\uc740 \uc22b\uc790\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\ub2e4. \uadf8\ub798\uc11c \uacb0\uacfc\uc801\uc73c\ub85c \uc6b0\ub9ac\ub294 \ub17c\uc758\ub97c \ud655\uc7a5\ud574\uc11c \ud655\uc7a5\ub41c \uc2e4\uc218 \uc9d1\ud569\uc744 \ub9cc\ub4e4\uc5c8\uc9c0\ub9cc, \uc5ec\uc804\ud788 \ubaa8\ub4e0 \uc6d0\uc18c\uac00 \uc9dd\uc218\uc774\uba74\uc11c \ud640\uc218\uac00 \ub41c\ub2e4. \uadf8\ub7f4\uac70\uba74 \uc65c \ud655\uc7a5\ud588\ub098 \uc2f6\uae30\ub3c4 \ud558\ub2e4.<\/p>\n

\uc774\uac8c \uc4f8\ub370\uc5c6\ub294 \ub17c\uc758\uac00 \ub41c \uc774\uc720\ub294, \uc815\uc218\ub294 \ub367\uc148\uacfc \uacf1\uc148\uc5d0 \ub300\ud574 \uad70(group)\uc774\uace0, \ub367\uc148\uacfc \uacf1\uc148\uc5d0 \ub300\ud574\uc11c \ud658(ring)\uc744 \uad6c\uc131\ud558\uc9c0\ub9cc, \uacf1\uc148\uc5d0 \ub300\ud55c \uc5ed\uc6d0\uc744 \ub17c\uc758\ud558\uc9c0\ub294 \uc54a\uae30 \ub54c\ubb38\uc5d0 \uccb4(field)\ub294 \ub9cc\ub4e4\uc5b4\uc9c0\uc9c0 \uc54a\ub294\ub2e4\ub294 \uc810 \ub54c\ubb38\uc774\ub2e4. (\ubb3c\ub860, \uacf1\uc148\uc5d0 \ub300\ud574 \uc5ed\uc6d0\uc774 \uc874\uc7ac\ud558\ub294 \uc6d0\uc18c\uac00 \ub531 \ud558\ub098 \uc788\uae34 \ud558\ub2e4. \uadf8\uac74 \ubb3c\ub860 \ud56d\ub4f1\uc6d0\uc774\ub2e4.) \uccb4\uc5d0\uc11c\ub294 \uc55e\uc11c \ub0b4\uac00 \ub17c\uc758\ud55c \ubc14\uc640 \uac19\uc774 \uc9dd\uc218\/\ud640\uc218 \ub17c\uc758\uac00 \uac70\uc758 (\uc5b4\uca4c\uba74 \uc644\uc804\ud788) \uc758\ubbf8\uac00 \uc5c6\ub2e4. \uc774\ub54c \ub9d0\ud558\ub294 “\uc758\ubbf8\uac00 \uc5c6\ub2e4”\ub294 \uac83\uc740 \uac1c\ub150\uc774 \uc5c6\ub2e4\uac70\ub098 \ub17c\ub9ac\uc801\uc73c\ub85c \ud2c0\ub838\ub2e4\ub294 \ub73b\uc774 \uc544\ub2c8\ub77c, \uc4f8\ub370\uac00 \uc5c6\ub2e4\ub294 \ub73b\uc774\ub2e4. \uc815\ub9d0 \uc4f8\ub370\uc5c6\ub2e4…<\/p>\n

\uadf8\ub9ac\uace0 \uadf8\ub807\uae30 \ub54c\ubb38\uc5d0 \uc9dd\uc218\/\ud640\uc218\ub97c \ub530\uc9c0\ub294 \uacbd\uc6b0\uc5d0\ub294 \uadf8 \uc9d1\ud569\uc744 \uc815\uc218\uc778 \uac83\uc73c\ub85c \uc0dd\uac01\ud558\ub294 \uac83\uc774 \uc790\uc5f0\uc2a4\ub7fd\uace0, \uc218\ud559\uc790\ub4e4\uc758 \uc0c1\uc2dd\uc774 \ub41c \uac83\uc774\ub2e4.<\/p>\n

\uc77c\ub2e8 \ub17c\uc758\ub294 \uc5ec\uae30\uc11c \ub9c8\uce58\uace0, \uc774\uc81c \uac10\uc815\uc801\uc778 \ubd80\ubd84\uc744 \uc815\ub9ac\ud558\uc790.<\/p>\n

\uc774\ub7f0 \uc774\uc720\ub85c \ub124\uae00\uc790\uad70 \ub2d8\uc774 \uc544\ub194 \ub2d8\uc5d0\uac8c \uc5b5\uc9c0\ub97c \uc4f4\ub2e4\uace0 \ub9d0\ud55c \uac83\uc740 \uc5b4\ub290\uc815\ub3c4 \uc774\ud574\ud560 \uc218 \uc788\ub294 \uc8fc\uc7a5\uc774\ub2e4. \ub098\ub3c4 \uc544\ub194 \ub2d8\uc774 \uc5b5\uc9c0\ub97c \uc4f4\ub2e4\uace0 \uc0dd\uac01\ud588\uace0, \ub0a9\ub4dd\uc774 \uac00\uc9c0 \uc54a\ub294 \ubd80\ubd84\uc774 \uc788\uc5b4\uc11c \uc774 \uae00\uc744 \uc4f0\uac8c \ub41c \uac83\uc774\ub2e4. \uc544\ub194 \ub2d8\uc774 \uc774 \uae00\uc744 \ubcf4\uc2e0\ub2e4\uba74, \ub313\uae00\ub85c \uc0dd\uac01\uc744 \ubc1d\ud600\uc8fc\uc168\uc73c\uba74 \uc88b\uaca0\ub2e4.<\/p>\n\n<\/div>\n<\/div>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\ubcf4\ucda9\uc124\uba85 (‘\uc9dd\uc218\uc640 \ud640\uc218’\uae00\uc5d0 \uc624\ub958\uac00 \uc788\uc5c8\uc74c\uc744 \uc778\uc815\ud55c\ub2e4.) \ubc11\uc5d0 \ub313\uae00\uc5d0\uc11c ‘\uc544\ub194’\ub2d8\uc774 ‘\uc9dd\uc218\uc774\ub2e4’\uc758 \ubd80\uc815\uc73c\ub85c ‘\ud640\uc218\uc774\ub2e4’\ub294 \ubd88\uac00\ud558\uba70 ‘\uc9dd\uc218\uac00 \uc544\ub2c8\ub2e4’\ub9cc\uc774 \uac00\ub2a5\ud558\ub2e4\uace0 \ud588\ub294\ub370, \uc5ec\uae30\uc5d0 \ub300\ud574\uc11c \uae38\uac8c \ub17c\uc7c1\uc744 \ud588\uc9c0\ub9cc \ub0b4\uac00 \ud2c0\ub838\ub2e4. \uc774 \uae00\uc758 \uc8fc\uc81c\ub294 ‘\uc9dd\uc218\uc778\uac00 \ud640\uc218\uc778\uac00?’\ub97c \ubb3c\uc5b4\ubcfc \ub54c ‘\uadf8\ub7fc \uc77c\ub2e8 \uadf8 \uc218\ub294 \uc815\uc218\ub2e4’\ub77c\ub294 \uc810\uc744 \ubb35\uc2dc\uc801\uc73c\ub85c \uac00\uc815\ud558\uace0 \uc788\ub2e4\ub294 \uac83\uc744 \uc9c0\uc801\ud558\ub294 \uac83\uc774\ub2e4. ‘\uc9dd\uc218\uc774\ub2e4’\uc758 \ubd80\uc815\uc774 ‘\ud640\uc218\uc774\ub2e4’\uac00 \uac00\ub2a5\ud55c\uac00?\ub294 \ub0b4\uac00 \uc798\ubabb \uc0dd\uac01\ud588\uc73c\uba70, ‘\uc9dd\uc218\uc774\ub2e4’\uc758 \ubd80\uc815\uc740 ‘\uc9dd\uc218\uac00 \uc544\ub2c8\ub2e4’\ub9cc\uc774 \uac00\ub2a5\ud558\ub2e4. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_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":""},"categories":[2],"tags":[],"class_list":["post-8438","post","type-post","status-publish","format-standard","hentry","category-academic"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8o6gA-2c6","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/8438","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8438"}],"version-history":[{"count":2,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/8438\/revisions"}],"predecessor-version":[{"id":12912,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/8438\/revisions\/12912"}],"wp:attachment":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8438"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}