{"id":23414,"date":"2014-04-23T07:54:57","date_gmt":"2014-04-23T07:54:57","guid":{"rendered":"http:\/\/chanhkien.org\/?p=23414"},"modified":"2025-05-12T10:22:45","modified_gmt":"2025-05-12T03:22:45","slug":"thien-dam-ve-nhung-han-che-cua-khoa-hoc-thuc-chung","status":"publish","type":"post","link":"https:\/\/chanhkien.org\/2014\/04\/thien-dam-ve-nhung-han-che-cua-khoa-hoc-thuc-chung.html","title":{"rendered":"Thi\u1ec3n \u0111\u00e0m v\u1ec1 nh\u1eefng h\u1ea1n ch\u1ebf c\u1ee7a khoa h\u1ecdc th\u1ef1c ch\u1ee9ng"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter\" title=\"KhoaHocChanChinh\" alt=\"\" src=\"http:\/\/chanhkien.org\/wp-content\/uploads\/2012\/01\/KhoaHocChanChinh.jpg\" width=\"321\" height=\"444\"><\/p>\n<p><b>[Chanhkien.org]<\/b><\/p>\n<p><b>D&#7851;n nh&#7853;p<\/b><\/p>\n<p>Ch&#7911; ngh&#297;a th&#7921;c ch&#7913;ng (empiricism), kim ch&#7881; nam c&#7911;a n&#7873;n khoa h&#7885;c hi&#7879;n &#273;&#7841;i, v&#7899;i quan ni&#7879;m r&#7857;ng kinh nghi&#7879;m l&agrave; ngu&#7891;n g&#7889;c duy nh&#7845;t c&#7911;a tri th&#7913;c, &#273;&#432;&#7907;c h&#7847;u h&#7871;t c&aacute;c nh&agrave; khoa h&#7885;c l&#7845;y l&agrave;m t&#432; t&#432;&#7903;ng ch&#7911; &#273;&#7841;o cho s&#7921; kh&aacute;m ph&aacute; c&aacute;c &#273;&#7883;nh lu&#7853;t trong thi&ecirc;n nhi&ecirc;n. M&#7897;t th&#7921;c t&#7871; r&#7857;ng ch&#7911; ngh&#297;a th&#7921;c ch&#7913;ng &#273;&atilde; d&#7851;n &#273;&#7871;n s&#7921; ph&aacute;t tri&#7875;n &#273;&aacute;ng k&#7875; trong m&#7885;i ng&agrave;nh khoa h&#7885;c c&#361;ng nh&#432; &#273;&atilde; &#273;em l&#7841;i s&#7921; ti&#7879;n nghi ch&#432;a t&#7915;ng c&oacute; cho cu&#7897;c s&#7889;ng v&#7853;t ch&#7845;t c&#7911;a nh&acirc;n lo&#7841;i, cho n&ecirc;n n&oacute; khi&#7871;n ng&#432;&#7901;i ta tin r&#7857;ng n&oacute; l&agrave; con &#273;&#432;&#7901;ng duy nh&#7845;t &#273;&#7875; kh&aacute;m ph&aacute; c&aacute;c &#273;&#7883;nh lu&#7853;t t&#7921; nhi&ecirc;n. Ph&#7843;i k&#7875; &#273;&#7871;n tr&#432;&#7899;c h&#7871;t l&agrave; trong to&aacute;n h&#7885;c, ch&#7911; ngh&#297;a th&#7921;c ch&#7913;ng &#273;&atilde; thi&#7871;t l&#7853;p m&#7897;t h&#7879; ti&ecirc;n &#273;&#7873;, ti&#7871;p &#273;&#7871;n l&agrave; ph&#432;&#417;ng ph&aacute;p suy lu&#7853;n l&ocirc;-g&iacute;c m&agrave; t&#7915; &#273;&oacute; m&#7897;t lo&#7841;t c&aacute;c &#273;&#7883;nh l&yacute; v&agrave; h&#7879; qu&#7843; &#273;&#432;&#7907;c khai tri&#7875;n ra. Trong b&agrave;i vi&#7871;t n&agrave;y, t&ocirc;i xin th&#7843;o lu&#7853;n ng&#7855;n g&#7885;n v&#7873; nh&#7919;ng h&#7841;n ch&#7871; c&#7911;a ch&#7911; ngh&#297;a th&#7921;c ch&#7913;ng qua vi&#7879;c nghi&ecirc;n c&#7913;u m&#7897;t s&#7889; ph&aacute;t hi&#7879;n n&#7893;i ti&#7871;ng trong l&#7883;ch s&#7917; to&aacute;n h&#7885;c, ki&#7871;n th&#7913;c v&#7873; th&#7889;ng k&ecirc;, v&agrave; con &#273;&#432;&#7901;ng kh&aacute;m ph&aacute; khoa h&#7885;c ch&acirc;n ch&iacute;nh.<\/p>\n<p><b>M&#7897;t s&#7889; kh&aacute;m ph&aacute; trong l&#7883;ch s&#7917; to&aacute;n h&#7885;c<\/b><\/p>\n<p>S. Ramanujan (12\/12\/1887 &ndash; 26\/4\/1920) l&agrave; m&#7897;t thi&ecirc;n t&agrave;i to&aacute;n h&#7885;c sinh ra t&#7841;i &#7844;n &#272;&#7897;. &Ocirc;ng &#273;&atilde; &#273;&#7841;t &#273;&#432;&#7907;c nhi&#7873;u th&agrave;nh qu&#7843; quan tr&#7885;ng trong l&#297;nh v&#7921;c to&aacute;n h&#7885;c, ch&#7859;ng h&#7841;n thuy&#7871;t s&#7889; ph&acirc;n t&iacute;ch (analytical number theory), thuy&#7871;t ch&#7913;c n&#259;ng ellip (elliptic function theory), li&ecirc;n ph&acirc;n s&#7889; (continued fractions) v&agrave; d&atilde;y v&ocirc; h&#7841;n, c&ugrave;ng c&aacute;c kh&aacute;m ph&aacute; kh&aacute;c. T&#7889;t nghi&#7879;p c&#7917; nh&acirc;n khoa h&#7885;c t&#7841;i &#272;&#7841;i h&#7885;c Cambridge n&#259;m 1916, &ocirc;ng &#273;&atilde; h&#7907;p t&aacute;c ch&#7863;t ch&#7869; trong nhi&#7873;u l&#297;nh v&#7921;c to&aacute;n h&#7885;c v&#7899;i G. H. Hardy, v&#7889;n c&#361;ng l&agrave; m&#7897;t nh&agrave; to&aacute;n h&#7885;c n&#7893;i ti&#7871;ng v&agrave;o th&#7901;i &#273;&oacute;. Phong c&aacute;ch nghi&ecirc;n c&#7913;u c&#7911;a Ramanujan ho&agrave;n to&agrave;n kh&aacute;c bi&#7879;t v&#7899;i nh&#7919;ng nh&agrave; to&aacute;n h&#7885;c kh&aacute;c. V&igrave; kh&ocirc;ng c&oacute; nhi&#7873;u k&#7929; n&#259;ng to&aacute;n h&#7885;c, Ramanujan bi&#7871;t r&#7845;t &iacute;t v&#7873; ph&#432;&#417;ng ph&aacute;p l&yacute; lu&#7853;n ch&#7863;t ch&#7869; trong gi&#7899;i to&aacute;n h&#7885;c &#273;&#432;&#417;ng th&#7901;i. Tuy v&#7853;y, &ocirc;ng &#273;&atilde; vi&#7871;t ra 4.000 &#273;&#7883;nh l&yacute;, d&ugrave; r&#7857;ng &ocirc;ng kh&ocirc;ng h&#7873; bi&#7871;t c&aacute;ch ch&#7913;ng minh nhi&#7873;u &#273;&#7883;nh l&yacute; trong s&#7889; &#273;&oacute;. Nh&#7919;ng g&igrave; &ocirc;ng &#273;&atilde; l&agrave;m ch&#7881; l&agrave; vi&#7871;t ra nh&#7919;ng nguy&ecirc;n l&yacute; ph&#7913;c t&#7841;p nh&#432;ng c&#361;ng r&#7845;t s&#7855;c s&#7843;o n&#7843;y sinh trong &#273;&#7847;u. C&aacute;c nh&agrave; to&aacute;n h&#7885;c sau n&agrave;y &#273;&atilde; c&oacute; th&#7875; ch&#7913;ng minh nhi&#7873;u &#273;&#7883;nh l&yacute; c&#7911;a &ocirc;ng. (Nh&#7919;ng &#273;&#7897;c gi&#7843; n&agrave;o quan t&acirc;m c&oacute; th&#7875; xem th&ecirc;m b&#7843;n th&#7843;o v&agrave; s&#7889; tay c&#7911;a Ramanujan).<\/p>\n<p>Nh&#7919;ng kh&aacute;m ph&aacute; c&#7911;a Ramanujan khi&#7871;n ng&#432;&#7901;i kh&aacute;c ph&#7843;i kinh ng&#7841;c. Tuy nhi&ecirc;n, &#273;i&#7873;u kh&oacute; hi&#7875;u h&#417;n h&#7871;t l&agrave; &ocirc;ng bi&#7871;t r&#7845;t &iacute;t v&#7873; nh&#7919;ng nguy&ecirc;n l&yacute; n&agrave;y v&agrave; ch&#7881; &#273;&#417;n gi&#7843;n l&agrave; vi&#7871;t ch&uacute;ng ra. Nh&#7919;ng ai &#273;&atilde; t&#7915;ng h&#7885;c to&aacute;n hi&#7879;n &#273;&#7841;i &#273;&#7873;u bi&#7871;t r&#7857;ng to&aacute;n h&#7885;c d&#7921;a tr&ecirc;n l&ocirc;-g&iacute;c ch&#7863;t ch&#7869;. Do &#273;&oacute; th&#7853;t kh&oacute; m&agrave; h&igrave;nh dung n&#7893;i b&#7857;ng c&aacute;ch n&agrave;o nh&#7919;ng nguy&ecirc;n l&yacute; ph&#7913;c t&#7841;p v&agrave; s&#7855;c s&#7843;o n&agrave;y l&#7841;i c&oacute; th&#7875; &#273;&#417;n gi&#7843;n hi&#7879;n ra trong &#273;&#7847;u m&#7897;t ng&#432;&#7901;i. Mu&#7889;n d&ugrave;ng l&ocirc;-g&iacute;c &#273;&#7875; ch&#7913;ng minh &#273;&#432;&#7907;c nh&#7919;ng nguy&ecirc;n l&yacute; s&#7861;n c&oacute; n&agrave;y l&#7841;i l&agrave; m&#7897;t v&#7845;n &#273;&#7873; kh&aacute;c. Th&#7871; nh&#432;ng Ramanujan c&oacute; th&#7875; ch&#7881; &ldquo;m&#417; th&#7845;y&rdquo; nh&#7919;ng &#273;&#7883;nh l&yacute; k&#7875; tr&ecirc;n. Hardy &#273;&atilde; t&#7915;ng n&oacute;i: &ldquo;Ki&#7871;n th&#7913;c nguy&ecirc;n s&#417; c&#7911;a anh &#7845;y th&#7853;t &#273;&aacute;ng kinh ng&#7841;c gi&#7889;ng nh&#432; nh&#7919;ng suy ngh&#297; c&#7911;a anh ta v&#7853;y&rdquo;. Th&#7871; th&igrave; b&#7857;ng c&aacute;ch n&agrave;o m&agrave; &ocirc;ng &#7845;y &#273;&atilde; kh&aacute;m ph&aacute; ra nh&#7919;ng &#273;&#7883;nh l&yacute; v&agrave; nguy&ecirc;n l&yacute; n&agrave;y?<\/p>\n<p>R&otilde; r&agrave;ng l&agrave; Ramanujan c&oacute; m&#7897;t l&#7889;i suy ngh&#297; kh&aacute;c bi&#7879;t, r&#7845;t gi&#7889;ng v&#7899;i nh&#7919;ng h&#7885;c gi&#7843; Trung Hoa c&#7893; &#273;&#7841;i. V&agrave;o th&#7901;i c&#7911;a c&aacute;c h&#7885;c gi&#7843; Trung Hoa c&#7893; &#273;&#7841;i, x&atilde; h&#7897;i th&#7845;m nhu&#7847;n kh&ocirc;ng kh&iacute; tu luy&#7879;n. R&#7845;t nhi&#7873;u ng&#432;&#7901;i, k&#7875; c&#7843; c&aacute;c h&#7885;c gi&#7843;, &#273;&#7873;u luy&#7879;n t&#7853;p t&#7885;a thi&#7873;n v&agrave; tin t&#432;&#7903;ng v&agrave;o vi&#7879;c thanh l&#7885;c t&acirc;m tr&iacute; v&agrave; &#273;i&#7873;u h&ograve;a h&#417;i th&#7903;. Nhi&#7873;u h&#7885;c gi&#7843; c&#361;ng l&agrave; c&#432; s&#297; Ph&#7853;t gi&aacute;o. H&#7885; r&#7845;t d&#7877; tr&#7843;i nghi&#7879;m nh&#7919;ng &#273;i&#7873;u &#7903; kh&ocirc;ng gian kh&aacute;c trong khi t&#7885;a thi&#7873;n. Ramanujan c&#361;ng l&agrave; ng&#432;&#7901;i th&#7921;c h&agrave;nh tu luy&#7879;n. N&#7871;u nh&#7919;ng tr&#7843;i nghi&#7879;m n&agrave;y &#273;&#432;&#7907;c ghi ch&eacute;p l&#7841;i, ch&uacute;ng s&#7869; n&#7857;m ngo&agrave;i s&#7921; hi&#7875;u bi&#7871;t c&#7911;a con ng&#432;&#7901;i hi&#7879;n &#273;&#7841;i b&#7903;i v&igrave; khoa h&#7885;c th&#7921;c ch&#7913;ng kh&ocirc;ng th&#7875; gi&#7843;i th&iacute;ch &#273;&#432;&#7907;c.<\/p>\n<p>M&#7897;t v&iacute; d&#7909; &#273;i&#7875;n h&igrave;nh trong l&#7883;ch s&#7917; c&#7911;a khoa h&#7885;c v&agrave; k&#7929; thu&#7853;t c&#7911;a Trung Qu&#7889;c c&#7893; &#273;&#7841;i l&agrave; vi&#7879;c t&iacute;nh to&aacute;n ra s&#7889; Pi c&#7911;a T&#7893; Xung Chi (429 SCN &ndash; 500 SCN). &Ocirc;ng &#273;&atilde; t&igrave;m ra gi&aacute; tr&#7883; x&#7845;p x&#7881; s&#7889; Pi l&agrave; 355\/113 b&#7857;ng c&aacute;ch t&aacute;ch d&atilde;y s&#7889; 113355 th&agrave;nh hai ph&#7847;n. &#272;&acirc;y l&agrave; m&#7897;t th&agrave;nh qu&#7843; r&#7921;c r&#7905;. Tuy th&#7871;, c&aacute;ch T&#7893; Xung Chi ph&aacute;t hi&#7879;n ra con s&#7889; n&agrave;y &#273;&#7871;n nay v&#7851;n l&agrave; m&#7897;t b&iacute; &#7849;n. Trong th&#7901;i c&#7893; &#273;&#7841;i kh&ocirc;ng c&oacute; k&yacute; hi&#7879;u hay h&#7879; th&#7889;ng l&yacute; lu&#7853;n l&ocirc;-g&iacute;c v&#7889;n &#273;&#432;&#7907;c d&ugrave;ng r&#7897;ng r&atilde;i trong to&aacute;n h&#7885;c hi&#7879;n &#273;&#7841;i, ch&#432;a k&#7875; thuy&#7871;t x&#7845;p x&#7881; s&#7889; h&#7885;c (numeric approximation theory). C&aacute;c nh&agrave; l&#7883;ch s&#7917; to&aacute;n h&#7885;c ng&agrave;y nay kh&ocirc;ng h&igrave;nh dung &#273;&#432;&#7907;c con s&#7889; &#273;&oacute; &#273;&atilde; &#273;&#432;&#7907;c t&iacute;nh to&aacute;n nh&#432; th&#7871; n&agrave;o.<\/p>\n<p>Nh&#7919;ng hi&#7879;n t&#432;&#7907;ng n&agrave;y &#273;&#432;&#7907;c gi&#7843;ng r&otilde; trong B&agrave;i gi&#7843;ng th&#7913; ch&iacute;n c&#7911;a <a href=\"http:\/\/phapluan.org\/book\/zfl_html\/index.html\">Chuy&#7875;n Ph&aacute;p Lu&acirc;n<\/a>:<\/p>\n<blockquote>\n<p>&ldquo;<i>Tr&#432;&#7899;c h&#7871;t ch&uacute;ng ta gi&#7843;ng v&#7873; [ngu&#7891;n] nguy&ecirc;n lai c&#7911;a t&#432; duy con ng&#432;&#7901;i. Trung Qu&#7889;c c&#7893; &#273;&#7841;i c&oacute; m&#7897;t c&aacute;ch n&oacute;i: &ldquo;t&acirc;m t&#432;&#7903;ng&rdquo;. T&#7841;i sao l&#7841;i n&oacute;i &lsquo;tim suy ngh&#297;&rsquo;? Khoa h&#7885;c Trung Qu&#7889;c c&#7893; &#273;&#7841;i &#273;&atilde; v&ocirc; c&ugrave;ng ph&aacute;t tri&#7875;n, b&#7903;i v&igrave; h&#7885; nghi&ecirc;n c&#7913;u tr&#7921;c ti&#7871;p nh&#7855;m th&#7859;ng v&agrave;o nh&#7919;ng &#273;i&#7873;u nh&#432; th&acirc;n th&#7875; ng&#432;&#7901;i, sinh m&#7879;nh v&agrave; v&#361; tr&#7909;.&rdquo;<\/i><\/p>\n<\/blockquote>\n<p>S&aacute;ch <a href=\"http:\/\/phapluan.org\/book\/zfl2_html\/index.html\">Chuy&#7875;n Ph&aacute;p Lu&acirc;n, quy&#7875;n 2<\/a>, ph&#7847;n Gi&#7843;ng Ph&aacute;p &#7903; &#272;&#7841;i D&#7919; S&#417;n c&#361;ng c&oacute; &#273;o&#7841;n:<\/p>\n<blockquote>\n<p>&ldquo;<i>Tr&ecirc;n th&#7921;c t&#7871; khoa h&#7885;c c&#7911;a Trung Qu&#7889;c c&#7893; &#273;&#7841;i so v&#7899;i khoa h&#7885;c hi&#7879;n nay c&oacute; &#273;&#432;&#7907;c truy&#7873;n t&#7915; &Acirc;u Ch&acirc;u l&agrave; ho&agrave;n to&agrave;n kh&aacute;c h&#7859;n. Trung Qu&#7889;c c&#7893; &#273;&#7841;i l&agrave; h&#7885; nh&#7855;m th&#7859;ng v&agrave;o nh&acirc;n th&#7875;, sinh m&#7879;nh, v&agrave; v&#361; tr&#7909; m&agrave; nghi&ecirc;n c&#7913;u tr&#7921;c ti&#7871;p. [Nh&#7919;ng g&igrave;] s&#7901; kh&ocirc;ng th&#7845;y, nh&igrave;n kh&ocirc;ng ra, th&igrave; ng&#432;&#7901;i c&#7893; [&#273;&#7841;i] &#273;&#7873;u d&aacute;m &#273;&#7897;ng ch&#7841;m &#273;&#7871;n, h&#7885; ch&iacute;nh l&agrave; c&oacute; th&#7875; ch&#7913;ng th&#7921;c s&#7921; t&#7891;n t&#7841;i c&#7911;a ch&uacute;ng. C&#7843;m gi&aacute;c c&#7911;a ng&#432;&#7901;i khi &#273;&#7843; to&#7841; luy&#7879;n c&ocirc;ng, th&#259;ng hoa &#273;&#7871;n c&#7843;m gi&aacute;c m&#7841;nh m&#7869; h&#417;n n&#7919;a, cu&#7889;i c&ugrave;ng kh&ocirc;ng ch&#7881; c&#7843;m gi&aacute;c r&#7845;t m&#7841;nh, m&agrave; c&ograve;n c&oacute; th&#7875; &#273;&#7897;ng ch&#7841;m &#273;&#7871;n ch&uacute;ng, th&#7845;y &#273;&#432;&#7907;c ch&uacute;ng. &#272;&oacute; ch&iacute;nh l&agrave; khi&#7871;n nh&#7919;ng th&#7913; v&ocirc; h&igrave;nh th&#259;ng hoa &#273;&#7871;n th&agrave;nh h&#7919;u h&igrave;nh r&#7891;i. C&#7893; nh&acirc;n &#273;&atilde; &#273;i theo con &#273;&#432;&#7901;ng kh&aacute;c, t&igrave;m t&ograve;i nh&#7919;ng &aacute;o b&iacute; c&#7911;a sinh m&#7879;nh, quan h&#7879; gi&#7919;a con ng&#432;&#7901;i v&agrave; v&#361; tr&#7909;; l&agrave; ho&agrave;n to&agrave;n kh&aacute;c v&#7899;i con &#273;&#432;&#7901;ng m&agrave; khoa h&#7885;c th&#7921;c ch&#7913;ng hi&#7879;n nay &#273;i theo<\/i>.&rdquo;<\/p>\n<\/blockquote>\n<p><b>Ng&agrave;nh d&#7921; b&aacute;o v&agrave; x&aacute;c su&#7845;t to&aacute;n h&#7885;c<\/b><\/p>\n<p>Do tu luy&#7879;n l&agrave; &#273;i&#7873;u si&ecirc;u th&#432;&#7901;ng n&ecirc;n n&#7871;u n&oacute; ch&#7881; tri&#7875;n hi&#7879;n ra m&#7897;t ch&uacute;t th&igrave; ng&#432;&#7901;i ta v&#7851;n c&#7843;m th&#7845;y huy&#7873;n ho&#7863;c l&#7855;m. Nh&#7919;ng ng&#432;&#7901;i tu luy&#7879;n ho&#7863;c nh&#7919;ng ai &#273;&atilde; &#273;&#7855;c m&#7897;t s&#7889; <a class=\"lar-automated-link\" href=\"https:\/\/chanhkien.org\/chu-giai-tu-vung#cong_nang\" rel=\"nofollow\" target=\"_blank\">c&ocirc;ng n&#259;ng<\/a> &#273;&atilde; vi&#7871;t nh&#7919;ng l&#7901;i ti&ecirc;n tri truy&#7873;n t&#7915; &#273;&#7901;i n&agrave;y sang &#273;&#7901;i kh&aacute;c. Nh&#7919;ng ti&ecirc;n tri n&agrave;y ghi ch&eacute;p l&#7841;i nh&#7919;ng s&#7921; ki&#7879;n l&#7899;n s&#7869; x&#7843;y ra v&agrave;i tr&#259;m n&#259;m sau. C&oacute; nhi&#7873;u l&#7901;i ti&ecirc;n tri &#273;&atilde; &#273;&#432;&#7907;c x&aacute;c minh. M&#7913;c &#273;&#7897; ch&iacute;nh x&aacute;c th&#7853;t &#273;&aacute;ng ng&#7841;c nhi&ecirc;n.<\/p>\n<p>L&yacute; thuy&#7871;t chu&#7895;i th&#7901;i gian (Time series theory) trong to&aacute;n h&#7885;c th&#7889;ng k&ecirc; hi&#7879;n &#273;&#7841;i c&#361;ng &#273;ang kh&aacute;m ph&aacute; v&#7845;n &#273;&#7873; d&#7921; b&aacute;o t&#432;&#417;ng lai. Nh&#7857;m m&#7909;c &#273;&iacute;ch x&acirc;y d&#7921;ng m&#7897;t m&ocirc; h&igrave;nh chu&#7895;i th&#7901;i gian, c&aacute;c nh&agrave; nghi&ecirc;n c&#7913;u th&#432;&#7901;ng th&ocirc;ng qua nhi&#7873;u gi&#7843; &#273;&#7883;nh kh&aacute;c nhau, v&iacute; d&#7909; tham s&#7889; (parametric), kh&ocirc;ng tham s&#7889; (non parametric), tuy&#7871;n t&iacute;nh (linear) ho&#7863;c phi tuy&#7871;n t&iacute;nh (nonlinear), v.v. Sau &#273;&oacute; h&#7885; d&ugrave;ng d&#7919; li&#7879;u l&#7883;ch s&#7917; (historical data) &#273;&#7875; x&aacute;c &#273;&#7883;nh xem m&ocirc; h&igrave;nh chu&#7895;i th&#7901;i gian &#273;&oacute; c&oacute; ph&ugrave; h&#7907;p hay kh&ocirc;ng. &#272;&acirc;y l&agrave; c&aacute;ch m&agrave; nhi&#7873;u m&ocirc; h&igrave;nh th&#7889;ng k&ecirc; kh&aacute;c nhau &#273;&#432;&#7907;c ph&aacute;t tri&#7875;n &#273;&#7875; d&#7921; &#273;o&aacute;n t&#432;&#417;ng lai. Ph&#432;&#417;ng ph&aacute;p nghi&ecirc;n c&#7913;u n&agrave;y l&agrave; m&#7897;t v&iacute; d&#7909; &#273;i&#7875;n h&igrave;nh cho ch&#7911; ngh&#297;a th&#7921;c ch&#7913;ng v&agrave; th&#7853;t ra n&oacute; c&#361;ng cung c&#7845;p m&#7897;t s&#7889; th&ocirc;ng tin h&#7919;u &iacute;ch. Tuy v&#7853;y, ph&#432;&#417;ng ph&aacute;p gi&#7843; &#273;&#7883;nh m&ocirc; h&igrave;nh n&agrave;y b&#7843;n th&acirc;n n&oacute; ch&#7881; l&agrave; m&#7897;t s&#7921; &#432;&#7899;c l&#432;&#7907;ng v&agrave; &#273;&#417;n gi&#7843;n ho&aacute; t&igrave;nh hu&#7889;ng th&#7921;c t&#7871;. Ngo&agrave;i ra, th&#7921;c t&#7871; c&ograve;n li&ecirc;n quan &#273;&#7871;n nhi&#7873;u y&#7871;u t&#7889; ng&#7851;u nhi&ecirc;n. Do &#273;&oacute;, m&ocirc; h&igrave;nh n&agrave;y kh&ocirc;ng th&#7875; m&ocirc; t&#7843; ch&iacute;nh x&aacute;c t&igrave;nh hu&#7889;ng th&#7853;t. M&#7897;t v&agrave;i d&#7921; b&aacute;o ng&#7855;n h&#7841;n c&oacute; th&#7875; &#273;&ocirc;i ch&uacute;t ch&iacute;nh x&aacute;c, nh&#432;ng nh&#7919;ng d&#7921; b&aacute;o cho v&agrave;i tr&#259;m n&#259;m g&#7847;n nh&#432; l&agrave; b&#7845;t kh&#7843; thi, do c&#417; ch&#7871; n&#7873;n t&#7843;ng b&ecirc;n d&#432;&#7899;i th&#432;&#7901;ng v&#432;&#7907;t qu&aacute; t&#7847;m nh&#7853;n th&#7913;c c&#7911;a ch&#7911; ngh&#297;a th&#7921;c ch&#7913;ng. &#272;&#7863;c bi&#7879;t l&agrave; n&oacute; ch&#7881; c&oacute; th&#7875; m&ocirc; t&#7843; c&aacute;c m&#7889;i li&ecirc;n h&#7879; n&ocirc;ng c&#7841;n trong ph&#7841;m vi kh&ocirc;ng gian b&#7873; m&#7863;t n&agrave;y m&agrave; th&ocirc;i. C&aacute;c chuy&ecirc;n gia th&#7889;ng k&ecirc; t&#7921; h&#7885; c&#361;ng nh&#7853;n th&#7913;c &#273;&#432;&#7907;c &#273;i&#7875;m n&agrave;y. George Box &#273;&atilde; t&#7915;ng n&oacute;i r&#7857;ng m&#7885;i m&ocirc; h&igrave;nh &#273;&#7873;u sai nh&#432;ng c&oacute; m&#7897;t s&#7889; v&#7851;n h&#7919;u &iacute;ch.<\/p>\n<p>B&#7857;ng c&aacute;ch n&agrave;o m&agrave; c&aacute;c nh&agrave; ti&ecirc;n tri c&oacute; th&#7875; d&#7921; &#273;o&aacute;n nh&#7919;ng vi&#7879;c x&#7843;y ra v&agrave;i tr&#259;m n&#259;m sau &#273;&#432;&#7907;c? L&agrave; do c&aacute;c nh&agrave; ti&ecirc;n tri n&agrave;y &#273;&atilde; nh&igrave;n th&#7845;y m&#7885;i s&#7921; vi&#7879;c s&#7869; x&#7843;y ra trong qu&aacute; tr&igrave;nh tu luy&#7879;n c&#7911;a h&#7885; ho&#7863;c trong m&#7897;t s&#7889; t&igrave;nh hu&#7889;ng kh&aacute;c. Trong ph&#7847;n &ldquo;<a class=\"lar-automated-link\" href=\"https:\/\/chanhkien.org\/chu-giai-tu-vung#cong_nang\" rel=\"nofollow\" target=\"_blank\">C&ocirc;ng n&#259;ng<\/a> t&uacute;c m&#7879;nh th&ocirc;ng&rdquo; c&#7911;a B&agrave;i gi&#7843;ng th&#7913; hai trong s&aacute;ch <a class=\"lar-automated-link\" href=\"https:\/\/chanhkien.org\/chu-giai-tu-vung#chuyen_phap_luan\" 28722 rel=\"nofollow\" target=\"_blank\">Chuy&#7875;n Ph&aacute;p Lu&acirc;n<\/a> vi&#7871;t: &ldquo;<i>Nh&igrave;n th&#7845;y t&#432;&#417;ng lai m&#7897;t c&aacute; nh&acirc;n, nh&igrave;n th&#7845;y qu&aacute; kh&#7913; m&#7897;t c&aacute; nh&acirc;n, nh&igrave;n th&#7845;y [m&#7897;t c&aacute;ch] chu&#7849;n x&aacute;c phi th&#432;&#7901;ng. To&aacute;n qu&aacute;i d&#7851;u r&otilde; r&agrave;ng &#273;&#7871;n &#273;&acirc;u, th&igrave; nh&#7919;ng vi&#7879;c nh&#7887;, chi ti&#7871;t kh&ocirc;ng suy t&iacute;nh ra &#273;&#432;&#7907;c; nh&#432;ng v&#7883; &#7845;y {ng&#432;&#7901;i c&oacute; <a class=\"lar-automated-link\" href=\"https:\/\/chanhkien.org\/chu-giai-tu-vung#cong_nang\" rel=\"nofollow\" target=\"_blank\">c&ocirc;ng n&#259;ng<\/a> t&uacute;c m&#7879;nh th&ocirc;ng} c&oacute; th&#7875; th&#7845;y r&otilde; r&agrave;ng phi th&#432;&#7901;ng, c&#7843; ni&ecirc;n &#273;&#7841;i c&#361;ng c&oacute; th&#7875; th&#7845;y &#273;&#432;&#7907;c. Nh&#7919;ng chi ti&#7871;t c&#7911;a bi&#7871;n &#273;&#7893;i &#273;&#7873;u c&oacute; th&#7875; th&#7845;y, b&#7903;i v&igrave; &#273;i&#7873;u v&#7883; &#7845;y th&#7845;y ch&iacute;nh l&agrave; ph&#7843;n &aacute;nh ch&acirc;n th&#7921;c c&#7911;a ng&#432;&#7901;i ho&#7863;c v&#7853;t &#7903; c&aacute;c kh&ocirc;ng gian kh&aacute;c&rdquo;.<\/i> T&#7845;t nhi&ecirc;n nh&#7919;ng ng&#432;&#7901;i kh&aacute;c nhau s&#7869; c&oacute; c&aacute;c c&#7843;nh gi&#7899;i tu luy&#7879;n kh&aacute;c nhau, cho n&ecirc;n nh&#7919;ng s&#7921; t&igrave;nh m&agrave; h&#7885; th&#7845;y &#273;&#432;&#7907;c kh&ocirc;ng nh&#7845;t &#273;&#7883;nh gi&#7889;ng nhau.<\/p>\n<p><b>K&#7871;t lu&#7853;n<\/b><\/p>\n<p>&#7902; tr&ecirc;n, t&ocirc;i &#273;&atilde; ch&#7911; y&#7871;u b&agrave;n lu&#7853;n v&#7873; nh&#7919;ng h&#7841;n ch&#7871; c&#7911;a khoa h&#7885;c th&#7921;c ch&#7913;ng c&#361;ng nh&#432; c&aacute;c hi&#7879;n t&#432;&#7907;ng si&ecirc;u th&#432;&#7901;ng tri&#7875;n hi&#7879;n ra trong qu&aacute; tr&igrave;nh tu luy&#7879;n. &#272;&#7875; hi&#7875;u &#273;&#432;&#7907;c quy lu&#7853;t c&#7911;a t&#7921; nhi&ecirc;n m&#7897;t c&aacute;ch ch&acirc;n ch&iacute;nh, ch&uacute;ng ta ph&#7843;i &#273;&#7897;t ph&aacute; l&#7889;i t&#432; duy truy&#7873;n th&#7889;ng, v&agrave; qua &#273;&oacute; &#273;em l&#7841;i n&#7873;n khoa h&#7885;c m&#7899;i v&agrave; nh&#7853;n th&#7913;c m&#7899;i. Tu luy&#7879;n s&#7869; m&#7903; ra con &#273;&#432;&#7901;ng th&#7853;t s&#7921; kh&aacute;m ph&aacute; t&#7921; nhi&ecirc;n v&agrave; hi&#7875;u bi&#7871;t v&#7873; s&#7921; t&#7891;n t&#7841;i v&#7853;t ch&#7845;t. N&#7873;n khoa h&#7885;c v&agrave; v&#259;n h&oacute;a t&#432;&#417;ng lai c&oacute; th&#7875; &#273;&#432;&#7907;c khai s&aacute;ng th&ocirc;ng qua tu luy&#7879;n.<\/p>\n<p>D&#7883;ch t&#7915;:<\/p>\n<p><a href=\"http:\/\/www.zhengjian.org\/node\/13911\">http:\/\/www.zhengjian.org\/node\/13911<\/a><br>\n<a href=\"http:\/\/pureinsight.org\/node\/1116\">http:\/\/pureinsight.org\/node\/1116<\/a><\/p>\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ch\u1ee7 ngh\u0129a th\u1ef1c ch\u1ee9ng (empiricism), kim ch\u1ec9 nam c\u1ee7a n\u1ec1n khoa h\u1ecdc hi\u1ec7n \u0111\u1ea1i, v\u1edbi quan ni\u1ec7m r\u1eb1ng kinh nghi\u1ec7m l\u00e0 ngu\u1ed3n g\u1ed1c duy nh\u1ea5t c\u1ee7a tri th\u1ee9c, \u0111\u01b0\u1ee3c h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 khoa h\u1ecdc l\u1ea5y l\u00e0m t\u01b0 t\u01b0\u1edfng ch\u1ee7 \u0111\u1ea1o.<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","ngg_post_thumbnail":0,"footnotes":""},"categories":[97],"tags":[172],"class_list":["post-23414","post","type-post","status-publish","format-standard","hentry","category-phan-tich-binh-luan","tag-khoa-hoc-chan-chinh"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - 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