{"id":7253,"date":"2006-08-23T13:00:00","date_gmt":"2006-08-23T13:00:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=7253"},"modified":"2006-08-23T13:00:00","modified_gmt":"2006-08-23T13:00:00","slug":"%ec%88%98%eb%a0%b4%ec%84%b1%ec%97%90-%ea%b4%80%ed%95%9c-%ec%ab%8c-%ec%89%ac%ec%9a%b4-%ec%9d%b4%ed%95%b4","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=7253","title":{"rendered":"\uc218\ub834\uc131\uc5d0 \uad00\ud55c \ucacc \uc26c\uc6b4 \uc774\ud574"},"content":{"rendered":"<div class=\"desc\">\n        \uc5b4\ub5a4 \ub300\uc0c1\uc744 \uad00\ucc30\ud558\ub294 \ubc29\ubc95\uc740 \uba40\ub9ac\uc11c \ubcf4\ub294 \uac83\uacfc \uac00\uae4c\uc774\uc11c \ubcf4\ub294 \uac83, \uadf8\ub9ac\uace0 \uadf8 \uc911\uac04\uc758 \uc5b4\ub518\uac00\uc5d0\uc11c \ubcf4\ub294 \ubc29\ubc95\uc774 \uc788\ub2e4.<\/p>\n<p>        \uc218\ud559\uc801\uc778 \ub300\uc0c1\uc744 \uad00\ucc30\ud560 \ub54c\uc5d0\ub3c4 \ub9c8\ucc2c\uac00\uc9c0 \ubc29\ubc95\uc774 \uc801\uc6a9\ub418\ub294\ub370, \uadf8\uc911\uc5d0\uc11c \uc544\uc8fc \uac00\uae4c\uc774 \ub2e4\uac00\uac00\uc11c \ubcf4\ub294 \uac83\uc774 \ubbf8\uc801\ubd84\ud559\uc774 \ub41c\ub2e4. \uadf8\ub9ac\uace0 \uadf8 \ub17c\ub9ac\uc758 \ud575\uc2ec\uc5d0\ub294 &#8220;\uc218\ub834\uc131&#8221;\uc774\ub77c\ub294 \uc544\uc8fc \uc911\uc694\ud55c \ud2b9\uc131\uc774 \uc0dd\uae34\ub2e4.<\/p>\n<p>        \uc218\uc5f4\uc740 \uc544\uc8fc \uae30\ubcf8\uc801\uc778 \uac74\ub370, \uc218\uc5f4\uc774 \uac00\uc9c4 \ud2b9\uc131\uc740 &#8220;\uc6c0\uc9c1\uc778\ub2e4&#8221;\ub294 \uac83\uc774\ub2e4. \uba87\ubc88\uc9f8 \ud56d \uae4c\uc9c0 \ucd94\uc801\ud574 \ub098\uac00\ub2e4 \ubcf4\uba74 \uc218\uc5f4\uc774 \uc774\ub9ac\uc800\ub9ac \uc6c0\uc9c1\uc774\uace0 \uc788\ub2e4\ub294 \uac83\uc774 \ub290\uaef4\uc9c8 \uac83\uc774\ub2e4. \uadf8\ub7f0\ub370, \uc218\ub834\ud558\ub294 \uc218\uc5f4\uc744 \ucd94\uc801\ud558\ub2e4\ubcf4\uba74 \ub300\ucda9 \uba87\ubc88\uc9f8 \ud56d \uc774\ud6c4\ubd80\ud130\ub294 \ucd94\uc801\ud560 \ud544\uc694\uac00 \uc5c6\ub2e4. \uc65c\ub0d0\uace0? \uc5b4\ub514\uc5d0 \uc788\ub294\uc9c0 \ubed4\ud788 \ub2e4 \uc54c\uae30 \ub54c\ubb38\uc774\ub2e4. \uc218\ub834\uc131\uc774 \uc911\uc694\ud55c \uc774\uc720\ub294 \ubb34\ud55c\ud788 \ub9ce\uc740 \uc218\uc5f4\uc758 \ud56d\ub4e4\uc744 \uc804\ubd80 \uc870\uc0ac\ud560 \ud544\uc694 \uc5c6\uc774, &#8220;\uc801\uc5b4\ub3c4 \uc5ec\uae30 \uadfc\ucc98\uc5d0 \uc788\ub2e4&#8221;\uace0 \ub9d0\ud560 \uc218 \uc788\ub294 \uadfc\uac70\ub97c \uc81c\uc2dc\ud574 \uc8fc\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n<p>        \uadf8\ub7fc \uc774\uc81c \uc774\uac78 \uc5b4\ub5bb\uac8c \uc368\uba39\uc744\uae4c? \uc218\uc5f4\uc744 \ud55c\ub2e8\uacc4 \ud655\uc7a5\ud55c \uac83\uc774 \ud568\uc218\uc774\ub2e4. \uc218\uc5f4\uc740 \uc790\uc5f0\uc218n\uc744 \ud558\ub098 \ub9d0\ud558\uba74 n\ubc88\uc9f8 \ud56d\uc5d0 \ub300\ud55c \uc22b\uc790\uac00 \ud558\ub098 \uc788\ub294 \uac83\uc774\uc5c8\ub2e4. \ud568\uc218\ub294 \uc2e4\uc218x\ub97c \ud558\ub098 \ub9d0\ud558\uba74 \uadf8\uac83\uc5d0 \ud574\ub2f9\ud558\ub294 \uc22b\uc790\uac00 \ud558\ub098 \uc788\ub294 \uac83\uc744 \ub9d0\ud55c\ub2e4. \ubb38\uc81c\ub294, \uc790\uc5f0\uc218\ub294 \ub744\uc5c4\ub744\uc5c4 \ub5a8\uc5b4\uc838 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc801\ub2f9\ud788 \uad6c\uac04\uc744 \uc791\uac8c \uc7a1\uc73c\uba74 \uadf8 \uc548\uc5d0 \uc790\uc5f0\uc218\uac00 \ub2e8 1\uac1c\ub9cc \uc788\ub3c4\ub85d \ud560 \uc218 \uc788\uc9c0\ub9cc \uc2e4\uc218\ub294 \uadf8\uac8c \ubd88\uac00\ub2a5\ud558\ub2e4\ub294 \uc810\uc774\ub2e4. \uc544\ubb34\ub9ac \uc791\uc740 \uad6c\uac04\uc744 \uc7a1\ub354\ub77c\ub3c4 \uc2e4\uc218\ub294 \ubb34\ud55c\ud788 \ub9ce\uc774 \ub4e4\uc5b4\uc788\ub2e4. \uc774\ub7f0 \ubb38\uc81c\uc810\uc744 \ud574\uacb0\ud558\uae30 \uc704\ud574\uc11c \uc218\ud559\uc790\ub4e4\uc774 \uc0dd\uac01\ud574\ub0b8 \ubc29\ubc95\uc740 &#8220;\uc5d0\ub77c, \ubaa8\ub974\uaca0\ub2e4!&#8221; \ub77c\ub294 \uac70\ub2e4. \uc6b0\ub9ac\uac00 \uc2e4\uc218\uc5d0 \ub300\ud574\uc11c\ub294 \ub744\uc5c4\ub744\uc5c4 \ub5a8\uc5b4\uc838 \uc788\ub2e4\ub294 \uac78 \uc0dd\uac01\ud560 \uc218 \uc5c6\uc9c0\ub9cc, \uadf8\ub807\ub2e4\uba74 \uadf8\uc911\uc5d0 \uc544\ubb34\uac70\ub098 \uc801\ub2f9\ud788 \uace0\ub974\uc790\ub294 \uac70\ub2e4. \ubb34\ud55c\ud788 \ub9ce\uc740 \uc2e4\uc218 \uc911\uc5d0\uc11c \uc801\ub2f9\ud788 \ub744\uc5c4\ub744\uc5c4 \ub5a8\uc5b4\uc838 \uc788\ub3c4\ub85d \uace8\ub77c\uc11c \uc218\uc5f4\uc5d0\uc11c \ud588\ub358 \uac83\ucc98\ub7fc \uc598\uae30\ub97c \ud558\uba74 \ub418\uc796\uc544? \uc0ac\uc2e4 \uc6b0\ub9ac\uac00 \uc544\ub294\uac8c \uadf8\uac70\ubc16\uc5d0 \uc5c6\uc73c\ub2c8\uae4c \uadf8\uc815\ub3c4\ub77c\ub3c4 \ud560 \uc218 \uc788\ub2e4\uba74 \ub2e4\ud589\uc77c \uac83\uc774\ub2e4.<\/p>\n<p>        \uadf8\ub7f0\ub370, \uadf8\uac8c \uc815\ub9d0 \ub9de\ub294\uc9c0 \uc5b4\ub5bb\uac8c \uc54c\uae4c?<\/p>\n<p>        \uac00\ub839, \uc5b4\ub5a4 \ud568\uc218\ub97c \ubd84\uc11d\ud558\ub294\ub370, \ub0b4\uac00 \uc7a1\uc740 \uc218\uc5f4\uc774\ub791 \ub108\uac00 \uc7a1\uc740 \uc218\uc5f4\uc774 \ub2e4\ub97c \uc218\ub3c4 \uc788\uc744 \uac70\uace0, \uc5ec\ub7ec\ubc88 \uc218\uc5f4\uc744 \ub2e4\ub974\uac8c \uc7a1\uc744 \uc218\ub3c4 \uc788\uc744 \uac83\uc774\ub2e4. \uadf8\ub7fc \uadf8\ub54c\ub9c8\ub2e4 \uacb0\uacfc\uac00 \ub2e4\ub97c\ud150\ub370, \ubb50\uac00 \ub9de\ub294\uac70\uc9c0?<\/p>\n<p>        \uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574\uc11c \uc218\ud559\uc790\ub4e4\uc740 \ub2e4\uc2dc &#8220;\uc544\ubb34\uac70\ub098 \uace8\ub77c\ub3c4 \uc0c1\uad00 \uc5c6\ub2e4&#8221;\ub294 \uc815\ub9ac\ub97c \uc99d\uba85\ud558\uac8c \ub41c\ub2e4.<\/p>\n<p>        \uc608\ub97c\ub4e4\uc5b4, \uc774\ub7f0 \uac83\uc774\ub2e4.<\/p>\n<p>        f(x)\ub97c \uc2e4\uc218\uc5d0 \ub300\ud574 \uc798 \uc815\uc758\ub41c \ud568\uc218\ub77c\uace0 \ud558\uc790. \uc989, \uc2e4\uc218 x\ub97c \uc544\ubb34\uac70\ub098 \uace0\ub974\ub354\ub77c\ub3c4 \uadf8\uc5d0 \ud574\ub2f9\ud558\ub294 \uc22b\uc790 f(x)\ub97c \ub9d0\ud574\uc904 \uc218 \uc788\ub2e4\ub294 \ub73b\uc774\ub2e4. \uc6b0\ub9ac\ub294 \uc2e4\uc218 x\ub97c \uc544\ubb34\uac70\ub098 \uace0\ub97c \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc801\ub2f9\ud55c \uc218\uc5f4 {X}\ub97c \ub9cc\ub4e4 \uc218 \uc788\ub2e4. \uc774\uc81c \uc9c8\ubb38\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4. {X}\uac00 a\ub85c \uc218\ub834\ud55c\ub2e4\uace0 \ud558\uba74, f(x)\ub294 f(a)\ub85c \uc218\ub834\ud560\uae4c?<\/p>\n<p>        \uc880 \ub354 \uc27d\uac8c \ub9d0\uc744 \ubc14\uafb8\uba74 {X}\ub294 x\ub97c \ubb34\ud55c\ud788 \ub9ce\uc774 \uace8\ub77c\ub0b4\uc11c \uc801\ub2f9\ud788 \ub9cc\ub4e0 \uc218\uc5f4\uc774\ub2e4. \uadf8\ub7f0\ub370 \uc774 \uc218\uc5f4\uc740 n\ubc88\uc9f8 \ud56d \uc774\ud6c4\ub85c\ub294 x\uc758 \uadfc\ucc98\uc5d0 \uc804\ubd80 \ub2e4 \ubab0\ub824 \uc788\ub2e4. {X}\uc5d0 \uc788\ub294 \ud56d\uc744 \ud558\ub098\uc529 \ub300\uc785\ud558\uba74 f(x)\uc5d0 \ud574\ub2f9\ud558\ub294 \uc22b\uc790\ub4e4\ub3c4 \uc218\uc5f4\uc774 \ub420 \uac83\uc774\ub2e4. \uacfc\uc5f0 n\ubc88\uc9f8 \ud56d \uc774\ud6c4\ub85c\ub294 f(x)\ub4e4\uc774 \ubaa8\ub450 f(a)\uc758 \uadfc\ucc98\uc5d0 \uc804\ubd80 \ubab0\ub824 \uc788\uc744\uae4c?<\/p>\n<p>        \ub2f5\uc740 &#8220;\uae00\uc384\uc694&#8221;<\/p>\n<p>        \ud568\uc218\ub294 \ubb34\uc9c4\uc7a5 \ub9ce\uc774 \uc788\uace0, \uc704\uc5d0\uc11c \ub9d0\ud55c \uc131\uc9c8\uc774 \uc131\ub9bd\ud558\ub294 \uac83\ub3c4 \uc788\uace0 \uc131\ub9bd\ud558\uc9c0 \uc54a\ub294 \uac83\ub3c4 \uc788\ub2e4. \uadf8\ub7fc \uc774\uc81c \uc5b4\ub5bb\uac8c \ud560\uae4c?<\/p>\n<p>        \uc774\ub7f0 \uacbd\uc6b0 \uc218\ud559\uc790\ub4e4\uc774 \ud754\ud788 \uc4f0\ub294 \ubc29\ubc95\uc740 &#8220;\uc815\uc758&#8221;\uc774\ub2e4.<\/p>\n<p>        x\uac00 a\ub85c \uc811\uadfc\ud560 \ub54c f(x)\uac00 f(a)\ub85c \uc811\uadfc\ud558\ub294, \uadf8\ub7f0 \uc885\ub958\uc758 \ud568\uc218\ub97c &#8220;\uc5f0\uc18d\ud568\uc218&#8221;\ub77c\uace0 \uc815\uc758\ud55c\ub2e4.<\/p>\n<p>        \uc774\uac83\uc774 \ubc14\ub85c \uc5f0\uc18d\uc131\uc758 \uc815\uc758\uac00 \ub41c\ub2e4.<\/p>\n<p>        \ubb3c\ub860, \uadf8\ub9bc\uc73c\ub85c \uadf8\ub838\uc744 \ub54c \ub9e4\ub048\ud558\uac8c \uc774\uc5b4\uc838 \uc788\ub294 \ud568\uc218\ub4e4\uc740 \ubaa8\ub450 \uc5f0\uc18d\ud568\uc218\uc774\ub2e4. \uc5f0\uc18d\ud568\uc218\uc758 \uc885\ub958\ub294 \ubb34\ud55c\ud788 \ub9ce\uc774 \uc788\ub2e4. \ub2e4\ub9cc, \uc5f0\uc18d\uc774 \uc544\ub2cc \ud568\uc218\ub4e4(\ubd88\uc5f0\uc18d \ud568\uc218)\uc774 \ud6e8\uc52c \ub354 \ub9ce\uc774 \uc788\uc744 \ubfd0\uc774\ub2e4. \ub2f9\uc5f0\ud788 \uc5f0\uc18d\ud568\uc218\uac00 \uc598\uae30\ud558\uae30\uac00 \ub354 \uc27d\uae30 \ub54c\ubb38\uc5d0 \uc6b0\ub9b0 \ud56d\uc0c1 \uc5f0\uc18d\ud568\uc218\ub9cc \uac16\uace0 \uc598\uae30\ub97c \uc9c4\ud589\ud560 \uac83\uc774\ub2e4. \uace0\ub4f1\ud559\uad50\ub97c \uc878\uc5c5\ud560 \ub54c \uae4c\uc9c0 \ub9cc\ub098\ub294 \ud568\uc218\uc911\uc5d0\uc11c\ub294 1\/x\uc744 \uc81c\uc678\ud558\uace0\ub294 \ub300\ubd80\ubd84\uc774 \uc5f0\uc18d\ud568\uc218\uc77c \uac83\uc774\ub2e4.<\/p>\n<div 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