{"id":83915,"date":"2021-08-25T11:43:18","date_gmt":"2021-08-25T15:43:18","guid":{"rendered":"https:\/\/ideascale.com\/viblog\/dinh-nghia-so-do-venn\/"},"modified":"2024-06-19T06:59:30","modified_gmt":"2024-06-19T10:59:30","slug":"dinh-nghia-so-do-venn","status":"publish","type":"post","link":"https:\/\/ideascale.com\/vi\/viblog\/dinh-nghia-so-do-venn\/","title":{"rendered":"S\u01a1 \u0111\u1ed3 Venn l\u00e0 g\u00ec? \u0110\u1ecbnh ngh\u0129a, t\u1ea7m quan tr\u1ecdng v\u00e0 v\u00ed d\u1ee5"},"content":{"rendered":"
M\u1ee5c l\u1ee5c<\/b><\/strong><\/p>\n<\/div> S\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 Venn l\u00e0 m\u1ed9t trong nh\u1eefng h\u00ecnh th\u1ee9c c\u1ed9ng t\u00e1c tr\u1ef1c quan ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 c\u00f3 th\u1ec3 l\u00e0 \u0111i\u1ec1u b\u1ea1n \u0111\u00e3 l\u00e0m t\u1eeb khi c\u00f2n nh\u1ecf. M\u1eb7c d\u00f9 \u0111\u00e2y l\u00e0 m\u1ed9t m\u1eabu r\u1ea5t \u0111\u01a1n gi\u1ea3n nh\u01b0ng n\u00f3 c\u00f3 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng kinh doanh quan tr\u1ecdng v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m r\u00f5 m\u1ed9t s\u1ed1 t\u00ecnh hu\u1ed1ng quan tr\u1ecdng.<\/p>\n Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd x\u00e1c \u0111\u1ecbnh s\u01a1 \u0111\u1ed3 Venn v\u00e0 n\u00f3i v\u1ec1 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng chuy\u00ean nghi\u1ec7p khi\u1ebfn n\u00f3 ng\u00e0y c\u00e0ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c doanh nghi\u1ec7p \u1edf kh\u1eafp m\u1ecdi n\u01a1i.<\/p>\n S\u01a1 \u0111\u1ed3 Venn \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t bi\u1ec3u di\u1ec5n tr\u1ef1c quan m\u1ea1nh m\u1ebd bao g\u1ed3m c\u00e1c v\u00f2ng tr\u00f2n ch\u1ed3ng ch\u00e9o minh h\u1ecda m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m chung gi\u1eefa hai ho\u1eb7c nhi\u1ec1u th\u1ef1c th\u1ec3. C\u00f4ng c\u1ee5 linh ho\u1ea1t n\u00e0y, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng gi\u00e1o d\u1ee5c \u0111\u1ec3 l\u00e0m s\u00e1ng t\u1ecf m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c kh\u00e1i ni\u1ec7m, m\u1edf r\u1ed9ng ti\u1ec7n \u00edch c\u1ee7a n\u00f3 cho c\u00e1c h\u1ed9i th\u1ea3o \u1ea3o, b\u00e0i thuy\u1ebft tr\u00ecnh v\u00e0 c\u00e1c bu\u1ed5i \u0111\u1ed9ng n\u00e3o c\u1ed9ng t\u00e1c trong m\u00f4i tr\u01b0\u1eddng chuy\u00ean nghi\u1ec7p. B\u1eb1ng c\u00e1ch \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1c li\u00ean k\u1ebft ph\u1ee9c t\u1ea1p, S\u01a1 \u0111\u1ed3 Venn \u0111\u00f3ng vai tr\u00f2 l\u00e0 c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 v\u00f4 gi\u00e1, th\u00fac \u0111\u1ea9y s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc h\u01a1n v\u1ec1 c\u00e1c k\u1ebft n\u1ed1i v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t.<\/p>\n Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a c\u00e1c doanh nghi\u1ec7p l\u00e0 l\u1ea5y hai m\u1eb7t h\u00e0ng tr\u1edf l\u00ean v\u00e0 ph\u00e2n t\u00edch \u01b0u \u0111i\u1ec3m ho\u1eb7c nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a ch\u00fang khi so s\u00e1nh v\u1edbi nhau. Nh\u1eefng \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u00e0 kh\u00e1c bi\u1ec7t c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 t\u01b0\u01a1ng th\u00edch c\u1ee7a ch\u00fang v\u1edbi k\u1ebf ho\u1ea1ch kinh doanh hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n v\u00e0 v\u1edbi nhau. V\u00ec l\u00fd do n\u00e0y, s\u01a1 \u0111\u1ed3 Venn l\u00e0 m\u1eabu tuy\u1ec7t v\u1eddi \u0111\u1ec3 k\u1ebft n\u1ed1i gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 v\u00e0 \u0111\u1ed9ng n\u00e3o. Nh\u1eefng b\u00e0i t\u1eadp n\u00e0y s\u1ebd gi\u00fap doanh nghi\u1ec7p c\u1ee7a b\u1ea1n quy\u1ebft \u0111\u1ecbnh \u0111\u00e2u l\u00e0 con \u0111\u01b0\u1eddng ch\u00ednh x\u00e1c ph\u00eda tr\u01b0\u1edbc.<\/p>\n S\u01a1 \u0111\u1ed3 Venn c\u00f3 l\u1ecbch s\u1eed s\u1eed d\u1ee5ng l\u00e2u d\u00e0i c\u1ea3 trong l\u1edbp h\u1ecdc l\u1eabn doanh nghi\u1ec7p v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong to\u00e1n h\u1ecdc, th\u1ed1ng k\u00ea v\u00e0 logic. Vi\u1ec7c s\u1eed d\u1ee5ng ch\u00fang trong nhi\u1ec1u l\u0129nh v\u1ef1c c\u0169ng mang l\u1ea1i cho ch\u00fang nhi\u1ec1u b\u00ed danh. Ch\u00fang c\u00f2n th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 S\u01a1 \u0111\u1ed3 t\u1eadp h\u1ee3p ho\u1eb7c S\u01a1 \u0111\u1ed3 logic. Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp tr\u01b0\u1edbc \u0111\u00e2y, ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y nhi\u1ec1u nh\u1ea5t \u1edf tr\u01b0\u1eddng h\u1ecdc do m\u1ee9c \u0111\u1ed9 hi\u1ec3u c\u01a1 b\u1ea3n v\u00e0 c\u1ea5u tr\u00fac \u0111\u01a1n gi\u1ea3n.<\/p>\n M\u1eb7c d\u00f9 c\u1ed1t l\u00f5i c\u1ee7a s\u01a1 \u0111\u1ed3 Venn r\u1ea5t \u0111\u01a1n gi\u1ea3n nh\u01b0ng ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng \u0111\u1ec3 h\u00ecnh th\u00e0nh c\u00e1c m\u1ed1i quan h\u1ec7 r\u1ea5t ph\u1ee9c t\u1ea1p v\u00e0 c\u00f3 m\u1ed1i li\u00ean h\u1ec7 \u0111\u1ed9c \u0111\u00e1o v\u1edbi th\u1ebf gi\u1edbi to\u00e1n h\u1ecdc. T\u1ed5ng c\u00e1c di\u1ec7n t\u00edch trong s\u01a1 \u0111\u1ed3 Venn s\u1ebd lu\u00f4n l\u00e0 s\u1ed1 nguy\u00ean t\u1ed1, m\u1edf \u0111\u01b0\u1eddng cho m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t to\u00e1n h\u1ecdc th\u00fa v\u1ecb. Ngo\u00e0i ra, m\u1ed1i quan h\u1ec7 m\u00e0 s\u01a1 \u0111\u1ed3 Venn th\u1ec3 hi\u1ec7n lu\u00f4n mang t\u00ednh logic, ngh\u0129a l\u00e0 c\u00e1c m\u1ee5c s\u1ebd c\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp v\u1edbi nhau. \u0110i\u1ec1u n\u00e0y quan tr\u1ecdng v\u00ec n\u00f3 c\u00f3 ngh\u0129a l\u00e0 kh\u00f4ng c\u00f3 m\u1ed1i quan h\u1ec7 kh\u00f4ng li\u00ean quan ho\u1eb7c k\u1ebft n\u1ed1i gi\u1ea3 \u0111\u1ecbnh – m\u1ecdi th\u1ee9 \u0111\u1ec1u l\u00e0 1:1<\/p>\n S\u1ef1 ph\u00e2n \u0111\u00f4i gi\u1eefa c\u00e1c m\u1eabu r\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 c\u00e1c c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p h\u01a1n khi\u1ebfn s\u01a1 \u0111\u1ed3 Venn \u0111\u01b0\u1ee3c nhi\u1ec1u c\u1ed9ng \u0111\u1ed3ng kh\u00e1c nhau \u0111\u00e1nh gi\u00e1 cao v\u00e0 s\u1eed d\u1ee5ng ch\u00fang t\u1eeb h\u00e0ng tr\u0103m n\u0103m tr\u01b0\u1edbc.<\/p>\n Ch\u00fang ta \u0111\u00e3 n\u00f3i v\u1ec1 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a s\u01a1 \u0111\u1ed3 Venn c\u0169ng nh\u01b0 c\u00e1ch ch\u00fang \u00e1p d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng kinh doanh v\u00e0 l\u1edbp h\u1ecdc kh\u00e1c nhau, nh\u01b0ng v\u1eabn ch\u01b0a r\u00f5 l\u00fd do t\u1ea1i sao s\u01a1 \u200b\u200b\u0111\u1ed3 Venn l\u1ea1i quan tr\u1ecdng. Suy cho c\u00f9ng, ch\u00fang ch\u1ec9 l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c v\u00f2ng tr\u00f2n r\u1ea5t c\u01a1 b\u1ea3n, ph\u1ea3i kh\u00f4ng? M\u1eb7c d\u00f9 ch\u00fang c\u1ef1c k\u1ef3 \u0111\u01a1n gi\u1ea3n nh\u01b0ng s\u1ef1 \u0111\u01a1n gi\u1ea3n n\u00e0y c\u00f3 th\u1ec3 c\u1ef1c k\u1ef3 h\u1eefu \u00edch trong vi\u1ec7c cung c\u1ea5p s\u1ef1 r\u00f5 r\u00e0ng v\u00e0 hi\u1ec3u bi\u1ebft cho sinh vi\u00ean v\u00e0 doanh nghi\u1ec7p. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u1ee3i \u00edch l\u1edbn nh\u1ea5t c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 Venn.<\/p>\n \u01afu \u0111i\u1ec3m l\u1edbn nh\u1ea5t c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 Venn l\u00e0 kh\u1ea3 n\u0103ng t\u1ed5 ch\u1ee9c th\u00f4ng tin theo \u0111\u1ecbnh d\u1ea1ng \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 hi\u1ec3u. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p b\u1ea1n l\u00e0m r\u00f5 m\u1ecdi th\u00f4ng tin sai l\u1ec7ch v\u00e0 c\u0103n ch\u1ec9nh n\u00f3 d\u01b0\u1edbi s\u1ef1 b\u1ea3o v\u1ec7 th\u00edch h\u1ee3p.<\/p>\n C\u00f3 th\u1ec3 t\u1ed5 ch\u1ee9c th\u00f4ng tin theo m\u1ed9t c\u1ea5u tr\u00fac r\u00f5 r\u00e0ng l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf l\u1edbn, nh\u01b0ng \u01b0u \u0111i\u1ec3m ch\u00ednh l\u00e0 kh\u1ea3 n\u0103ng tr\u1ef1c quan h\u00f3a \u0111i k\u00e8m v\u1edbi t\u1ed5 ch\u1ee9c. Nh\u1edd s\u01a1 \u0111\u1ed3 n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u c\u1ee7a m\u00ecnh tr\u00ean b\u1ea3ng v\u00e0 tri\u1ec3n khai t\u1ed5 ch\u1ee9c th\u00f4ng tin b\u1eb1ng \u0111\u1ed3 h\u1ecda. Kh\u1ea3 n\u0103ng h\u00ecnh dung c\u00e1c \u00fd t\u01b0\u1edfng v\u00e0 m\u1ed1i li\u00ean h\u1ec7 c\u1ef1c k\u1ef3 h\u1eefu \u00edch khi m\u1ecdi ng\u01b0\u1eddi \u0111ang c\u1ed1 g\u1eafng hi\u1ec3u m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa c\u00e1c \u0111\u1ed3 v\u1eadt v\u00e0 l\u00e0 \u0111\u1ed9ng l\u1ef1c to l\u1edbn \u0111\u1ec3 m\u1ecdi ng\u01b0\u1eddi hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 ch\u1ee7 \u0111\u1ec1 hi\u1ec7n t\u1ea1i.<\/p>\n M\u1ecdi ng\u01b0\u1eddi v\u1ed1n l\u00e0 nh\u1eefng ng\u01b0\u1eddi h\u1ecdc b\u1eb1ng h\u00ecnh \u1ea3nh, v\u00ec v\u1eady khi th\u00f4ng tin n\u00e0y \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean b\u1ea3ng v\u1eadt l\u00fd tr\u01b0\u1edbc m\u1eb7t h\u1ecd, vi\u1ec7c ti\u1ebfp thu, h\u1ecdc h\u1ecfi v\u00e0 ti\u1ebfp t\u1ee5c v\u1edbi ki\u1ebfn \u200b\u200bth\u1ee9c \u0111\u00f3 s\u1ebd tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n nhi\u1ec1u. Do t\u00ednh ch\u1ea5t tr\u1ef1c quan m\u1ea1nh m\u1ebd, nhi\u1ec1u nh\u00f3m s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 Venn trong khi thuy\u1ebft tr\u00ecnh \u0111\u1ec3 truy\u1ec1n \u0111\u1ea1t quan \u0111i\u1ec3m c\u1ee7a m\u00ecnh theo c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 d\u1ec5 hi\u1ec3u nh\u1ea5t.<\/p>\n Khi ph\u00e2n t\u00edch c\u00e1c m\u1ee5c ho\u1eb7c l\u1ef1a ch\u1ecdn kh\u00e1c nhau, c\u00f3 th\u1ec3 th\u1ef1c s\u1ef1 kh\u00f3 hi\u1ec3u ch\u00ednh x\u00e1c ch\u00fang tr\u00f9ng nhau v\u00e0 giao nhau \u1edf \u0111\u00e2u v\u00e0 \u0111\u00f4i khi c\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 hi\u1ec3u \u0111i\u1ec1u n\u00e0y l\u00e0 t\u1ea1o ra m\u1ed9t giao \u0111i\u1ec3m v\u1eadt l\u00fd. Giao l\u1ed9 n\u00e0y l\u00e0 to\u00e0n b\u1ed9 m\u1ee5c \u0111\u00edch c\u1ee7a s\u01a1 \u0111\u1ed3 Venn.<\/p>\n Khi so s\u00e1nh c\u00e1c m\u1ee5c tr\u00ean s\u01a1 \u0111\u1ed3 Venn, th\u1eadt d\u1ec5 d\u00e0ng \u0111\u1ec3 bi\u1ebft ch\u00fang c\u00f3 \u0111i\u1ec3m g\u00ec chung c\u0169ng nh\u01b0 nh\u1eefng t\u00ednh n\u0103ng \u0111\u1ed9c \u0111\u00e1o c\u1ee7a t\u1eebng ph\u1ea7n. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 quan tr\u1ecdng khi l\u1ef1a ch\u1ecdn c\u00e1c phong c\u00e1ch thi\u1ebft k\u1ebf kh\u00e1c nhau ho\u1eb7c c\u00f3 th\u1ec3 khi ch\u1ecdn nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5.<\/p>\n Kh\u1ea3 n\u0103ng n\u00e0y c\u0169ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi so s\u00e1nh d\u1eef li\u1ec7u, d\u1ef1 \u0111o\u00e1n c\u00e1c giao \u0111i\u1ec3m trong t\u01b0\u01a1ng lai c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m ho\u1eb7c l\u00e0m ph\u00e9p \u0111o x\u00e1c su\u1ea5t. T\u1ea5t c\u1ea3 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng n\u00e0y v\u00e0 h\u01a1n th\u1ebf n\u1eefa \u0111\u1ec1u \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb vi\u1ec7c so s\u00e1nh tr\u1ef1c ti\u1ebfp m\u00e0 s\u01a1 \u0111\u1ed3 Venn \u0111\u01b0a ra.<\/p>\n M\u1ed9t trong nh\u1eefng l\u00fd do khi\u1ebfn s\u01a1 \u0111\u1ed3 Venn r\u1ea5t h\u1eefu \u00edch l\u00e0 v\u00ec ch\u00fang chia nh\u1ecf c\u00e1c m\u1ed1i quan h\u1ec7 ph\u1ee9c t\u1ea1p th\u00e0nh nh\u1eefng th\u00f4ng tin \u0111\u01a1n gi\u1ea3n, d\u1ec5 hi\u1ec3u. B\u1eb1ng c\u00e1ch chia nh\u1ecf c\u00e1c \u00fd t\u01b0\u1edfng th\u00e0nh c\u00e1c m\u1ed1i quan h\u1ec7 \u0111\u01a1n gi\u1ea3n nh\u1ea5t, b\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 \u00fd ngh\u0129a c\u1ee7a ch\u00fang v\u00e0 c\u00e1ch ch\u00fang li\u00ean quan v\u1edbi nhau. Ch\u1ec9 khi nh\u00ecn m\u1ecdi th\u1ee9 \u1edf d\u1ea1ng tr\u1ea7n tr\u1ee5i nh\u1ea5t, b\u1ea1n m\u1edbi c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c m\u1ed1i quan h\u1ec7 v\u00e0 ti\u1ebfn v\u1ec1 ph\u00eda tr\u01b0\u1edbc.<\/p>\n \u0110\u1ed1i v\u1edbi c\u1ea3 sinh vi\u00ean v\u00e0 chuy\u00ean gia, vi\u1ec7c suy ngh\u0129 logic \u0111\u1eb1ng sau m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c m\u1ee5c c\u00f3 th\u1ec3 h\u1eefu \u00edch khi hi\u1ec3u \u0111\u01b0\u1ee3c \u00fd ngh\u0129a v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi kh\u00e1i ni\u1ec7m l\u1edbn h\u01a1n m\u00e0 b\u1ea1n \u0111ang ph\u00e2n t\u00edch. Truy\u1ec1n \u0111\u1ea1t tr\u1ef1c quan nh\u1eefng \u00fd t\u01b0\u1edfng n\u00e0y gi\u00fap vi\u1ec7c hi\u1ec3u logic \u0111\u1eb1ng sau m\u1ed1i quan h\u1ec7 c\u1ee7a ch\u00fang d\u1ec5 d\u00e0ng h\u01a1n nhi\u1ec1u v\u00e0 l\u00e0 l\u1ee3i th\u1ebf l\u1edbn cho c\u00e1c nh\u00f3m s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac n\u00e0y.<\/p>\n T\u00ecm hi\u1ec3u th\u00eam: S\u01a1 \u0111\u1ed3 UML l\u00e0 g\u00ec?<\/a><\/b><\/strong><\/p>\n S\u01a1 \u0111\u1ed3 Venn kh\u00f4ng ph\u1ea3i l\u00e0 m\u1eabu duy nh\u1ea5t gi\u00fap ph\u00e2n t\u00edch m\u1ed1i quan h\u1ec7 gi\u1eefa nhi\u1ec1u m\u1ee5c. S\u01a1 \u0111\u1ed3 Euler l\u00e0 m\u1ed9t trong nh\u1eefng h\u1ecd h\u00e0ng g\u1ea7n nh\u1ea5t c\u1ee7a s\u01a1 \u0111\u1ed3 Venn v\u00e0 th\u1ef1c hi\u1ec7n nhi\u1ec1u ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0ng c\u00f3 nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ri\u00eang.<\/p>\n S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa s\u01a1 \u0111\u1ed3 Venn v\u00e0 s\u01a1 \u0111\u1ed3 Euler l\u00e0 s\u01a1 \u0111\u1ed3 Venn hi\u1ec3n th\u1ecb t\u1ea5t c\u1ea3<\/em> c\u00e1c m\u1ed1i quan h\u1ec7 c\u00f3 th\u1ec3 c\u00f3 gi\u1eefa m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c m\u1ee5c trong khi s\u01a1 \u0111\u1ed3 Euler ch\u1ec9 hi\u1ec3n th\u1ecb c\u00e1c m\u1ed1i quan h\u1ec7 th\u1ef1c t\u1ebf<\/em> gi\u1eefa c\u00f9ng m\u1ed9t b\u1ed9.<\/p>\n \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 s\u01a1 \u0111\u1ed3 Euler s\u1ebd ch\u1ec9 hi\u1ec3n th\u1ecb c\u00e1c k\u1ebft n\u1ed1i c\u00f3 li\u00ean quan gi\u1eefa m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c m\u1ee5c trong b\u1ed1i c\u1ea3nh b\u1ea1n \u0111ang ph\u00e2n t\u00edch ch\u00fang, trong khi s\u01a1 \u0111\u1ed3 Venn s\u1ebd hi\u1ec3n th\u1ecb m\u1ecdi k\u1ebft n\u1ed1i ngay c\u1ea3 khi n\u00f3 kh\u00f4ng li\u00ean quan \u0111\u1ebfn ph\u00e2n t\u00edch hi\u1ec7n t\u1ea1i. Bi\u1ec3u \u0111\u1ed3 Venn hi\u1ec3n th\u1ecb c\u00e1c ph\u1ea7n ch\u1ed3ng ch\u00e9o ngay c\u1ea3 khi kh\u00f4ng c\u00f3 ti\u00eau ch\u00ed ch\u1ed3ng ch\u00e9o, trong khi n\u1ebfu kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 ph\u1ea7n ch\u1ed3ng ch\u00e9o n\u00e0o th\u00ec ph\u1ea7n \u0111\u00f3 s\u1ebd kh\u00f4ng t\u1ed3n t\u1ea1i trong s\u01a1 \u0111\u1ed3 Euler.<\/p>\n H\u00ecnh dung c\u1ee7a s\u01a1 \u0111\u1ed3 Venn v\u00e0 Euler c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0ng kh\u00e1c nhau, trong \u0111\u00f3 s\u01a1 \u0111\u1ed3 Euler c\u00f3 c\u00e1c v\u00f2ng tr\u00f2n \u0111\u1ed3ng t\u00e2m trong khi s\u01a1 \u0111\u1ed3 Venn c\u00f3 c\u00e1c v\u00f2ng tr\u00f2n ch\u1ed3ng l\u00ean nhau. Do c\u1ea5u tr\u00fac n\u00e0y, s\u01a1 \u0111\u1ed3 Euler ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi c\u00e1c danh m\u1ee5c c\u00f3 h\u1ec7 th\u1ed1ng ph\u00e2n c\u1ea5p d\u00e0i ho\u1eb7c tr\u00f9ng l\u1eb7p trong ph\u1ea7n l\u1edbn c\u00e1c ti\u00eau ch\u00ed c\u1ee7a ch\u00fang.<\/p>\n M\u1eb7c d\u00f9 c\u00f3 nh\u1eefng kh\u00e1c bi\u1ec7t nh\u01b0ng c\u1ea3 s\u01a1 \u0111\u1ed3 Venn v\u00e0 Euler \u0111\u1ec1u l\u00e0 nh\u1eefng m\u1eabu quan tr\u1ecdng gi\u00fap c\u00e1c nh\u00f3m hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 so s\u00e1nh gi\u1eefa c\u00e1c m\u1ee5c kh\u00e1c nhau v\u00e0 c\u00e1ch chia nh\u1ecf b\u1ea3n ch\u1ea5t m\u1ed1i quan h\u1ec7 c\u1ee7a ch\u00fang.<\/p>\n N\u1ebfu b\u1ea1n \u0111ang th\u1eafc m\u1eafc c\u00e1c s\u01a1 \u0111\u1ed3 n\u00e0y s\u1ebd ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o trong c\u00e1c t\u00ecnh hu\u1ed1ng ho\u1eb7c b\u1ed1i c\u1ea3nh kh\u00e1c nhau th\u00ec \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 c\u00e1ch \u00e1p d\u1ee5ng s\u01a1 \u0111\u1ed3 Venn.<\/p>\n 1. Bi\u1ec3u \u0111\u1ed3 ba Venn<\/b><\/p>\n S\u01a1 \u0111\u1ed3 ba Venn g\u1ea7n gi\u1ed1ng nh\u01b0 s\u01a1 \u0111\u1ed3 Venn v\u1edbi m\u1ed9t v\u00f2ng tr\u00f2n kh\u00e1c \u0111\u01b0\u1ee3c th\u00eam v\u00e0o, t\u1ea1o ra th\u00eam b\u1ed1n giao \u0111i\u1ec3m \u0111\u1ec3 \u0111\u1eb7t c\u00e1c v\u1eadt ph\u1ea9m. M\u1eabu n\u00e0y th\u1ef1c t\u1ebf gi\u1ed1ng v\u1edbi s\u01a1 \u0111\u1ed3 Venn truy\u1ec1n th\u1ed1ng nh\u01b0ng cho ph\u00e9p b\u1ea1n k\u1ebft h\u1ee3p m\u1ed9t y\u1ebfu t\u1ed1 b\u1ed5 sung \u0111\u1ec3 so s\u00e1nh.<\/p>\n M\u1eb7c d\u00f9 m\u1ee5c \u0111\u00edch c\u1ee7a vi\u1ec7c th\u00eam bi\u1ec3u \u0111\u1ed3 Venn ba l\u00e0 \u0111\u1ec3 t\u0103ng s\u1ed1 l\u01b0\u1ee3ng m\u1ee5c c\u00f3 th\u1ec3 so s\u00e1nh nh\u01b0ng c\u0169ng nh\u1eb1m ch\u1ec9 ra r\u1eb1ng b\u1ea1n c\u00f3 th\u1ec3 chia t\u1ef7 l\u1ec7 bi\u1ec3u \u0111\u1ed3 Venn \u1edf m\u1ee9c \u0111\u1ed9 v\u00f4 h\u1ea1n. M\u1eb7c d\u00f9 \u0111i\u1ec1u n\u00e0y kh\u00f4ng th\u1ef1c s\u1ef1 h\u1eefu \u00edch khi b\u1ea1n \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh, nh\u01b0ng n\u00f3 s\u1ebd cho th\u1ea5y s\u01a1 \u0111\u1ed3 Venn \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o. Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng quy m\u00f4 m\u1eabu c\u1ee7a b\u1ea1n l\u00e0 m\u1ed9t l\u1ee3i th\u1ebf quan tr\u1ecdng c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 Venn v\u00e0 cho th\u1ea5y m\u1ee9c \u0111\u1ed9 \u00e1p d\u1ee5ng c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c nhau.<\/p>\n 2. S\u01a1 \u0111\u1ed3 Venn t\u1ef7 l\u1ec7<\/b><\/p>\n Bi\u1ec3u \u0111\u1ed3 Venn t\u1ef7 l\u1ec7 c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 bi\u1ec3u \u0111\u1ed3 Venn truy\u1ec1n th\u1ed1ng nh\u01b0ng b\u1ed5 sung th\u00eam m\u1ed9t m\u1ee9c \u0111\u1ed9 quan tr\u1ecdng cho c\u00e1c ph\u1ea7n t\u1eed \u0111\u01b0\u1ee3c so s\u00e1nh. Trong khi c\u00e1c s\u01a1 \u0111\u1ed3 truy\u1ec1n th\u1ed1ng duy tr\u00ec k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n cho t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n t\u1eed \u0111\u01b0\u1ee3c so s\u00e1nh th\u00ec s\u01a1 \u0111\u1ed3 Venn \u0111\u01b0\u1ee3c chia t\u1ef7 l\u1ec7 c\u00f3 c\u00e1c h\u00ecnh d\u1ea1ng c\u00f3 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau d\u1ef1a tr\u00ean t\u1ea7m quan tr\u1ecdng v\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c ph\u1ea7n t\u1eed \u0111\u00f3.<\/p>\n \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 khi so s\u00e1nh c\u00e1c m\u1ee5c, b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc t\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nhau v\u00e0 s\u1eed d\u1ee5ng th\u00f4ng tin n\u00e0y \u0111\u1ec3 h\u1ed7 tr\u1ee3 cho vi\u1ec7c ra quy\u1ebft \u0111\u1ecbnh c\u1ee7a m\u00ecnh. \u0110\u00e2y th\u1ef1c s\u1ef1 l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u00e0m khi l\u1eadp s\u01a1 \u0111\u1ed3 c\u00e1c b\u00ean li\u00ean quan ho\u1eb7c m\u1ed1i quan t\u00e2m v\u1ec1 s\u1ea3n ph\u1ea9m, b\u1edfi v\u00ec m\u1eb7c d\u00f9 c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t s\u1ed1 \u0111i\u1ec3m tr\u00f9ng l\u1eb7p nh\u01b0ng \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i xem x\u00e9t m\u1ee5c n\u00e0o \u0111\u01b0\u1ee3c duy tr\u00ec m\u1ee9c \u0111\u1ed9 \u01b0u ti\u00ean.<\/p>\n Bi\u1ec3u \u0111\u1ed3 Venn \u0111\u01b0\u1ee3c chia t\u1ef7 l\u1ec7 c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 T\u1ef7 l\u1ec7 di\u1ec7n t\u00edch, trong \u0111\u00f3 c\u00e1c h\u00ecnh d\u1ea1ng gi\u1eef c\u00e1c v\u1eadt ph\u1ea9m t\u1ef7 l\u1ec7 v\u1edbi s\u1ef1 th\u1ec3 hi\u1ec7n t\u1ed5ng th\u1ec3 c\u1ee7a ch\u00fang.<\/p>\n 3. \u1ee8ng d\u1ee5ng kinh doanh<\/b><\/p>\n Kinh doanh l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c m\u00e0 s\u01a1 \u0111\u1ed3 Venn c\u00f3 th\u1ec3 c\u1ef1c k\u1ef3 h\u1eefu \u00edch v\u00ec trong kinh doanh lu\u00f4n c\u00f3 nh\u1eefng th\u1ee9 c\u1ea7n so s\u00e1nh v\u00e0 c\u00e2n nh\u1eafc khi \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh. Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n nhi\u1ec1u b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t m\u1eabu so s\u00e1nh \u0111\u01a1n gi\u1ea3n.<\/p>\n Bi\u1ec3u \u0111\u1ed3 Venn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 so s\u00e1nh v\u00e0 \u0111\u1ed1i chi\u1ebfu c\u00e1c s\u1ea3n ph\u1ea9m v\u00e0 nguy\u00ean m\u1eabu kh\u00e1c nhau, nhi\u1ec1u l\u1ea7n l\u1eb7p l\u1ea1i thi\u1ebft k\u1ebf kh\u00e1c nhau ho\u1eb7c c\u00e1c c\u00e1ch ti\u1ebfp c\u1eadn kh\u00e1c nhau \u0111\u1ed1i v\u1edbi m\u1ed9t k\u1ebf ho\u1ea1ch ti\u1ebfp th\u1ecb. T\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u n\u00e0y \u0111\u1ec1u l\u00e0 v\u00ed d\u1ee5 v\u1ec1 m\u1ee9c \u0111\u1ed9 linh ho\u1ea1t c\u1ee7a s\u01a1 \u0111\u1ed3 Venn trong vi\u1ec7c gi\u00fap c\u00e1c doanh nghi\u1ec7p so s\u00e1nh c\u00e1c m\u1eb7t h\u00e0ng v\u00e0 t\u00ecm ra con \u0111\u01b0\u1eddng ph\u00eda tr\u01b0\u1edbc. Ch\u00fang kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 gi\u00fap doanh nghi\u1ec7p so s\u00e1nh c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nhau m\u00e0 c\u00f2n t\u0103ng kh\u1ea3 n\u0103ng truy\u1ec1n \u0111\u1ea1t hi\u1ec7u qu\u1ea3 v\u1ec1 \u00fd t\u01b0\u1edfng c\u1ee7a m\u00ecnh v\u00e0 \u0111i \u0111\u1ebfn th\u1ed1ng nh\u1ea5t h\u1ee3p l\u00fd.<\/p>\nWhat is a Venn Diagram?<\/h2>\n
Brief History of Venn Diagrams<\/h3>\n
Why Venn Diagrams are Important<\/h2>\n
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Venn Diagram vs Euler Diagram<\/h2>\n
<\/p>\n
9 Examples of Venn Diagram<\/h2>\n
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