Video: Cov lus qhia dab tsi yog qhov sib npaug?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov lus tawm tswv yim sib npaug los yog logically sib npaug yog lawv ib txwm muaj qhov tseeb tus nqi. yog, p thiab q logically sib npaug Yog tias p yog qhov tseeb thaum twg q yog qhov tseeb, thiab rov ua dua, thiab yog tias p yog qhov tseeb thaum twg q tsis tseeb, thiab rov ua dua. Yog p thiab q logically sib npaug , peb sau p = q.
Ib yam li ntawd, koj tuaj yeem nug, qhov sib npaug sib npaug txhais li cas?
Logical Qhov sib npaug tshwm sim thaum ob nqe lus muaj qhov tseeb qhov tseeb. Qhov no txhais tau tias tias ib nqe lus tuaj yeem muaj tseeb hauv nws cov ntsiab lus, thiab nqe lus thib ob kuj tuaj yeem muaj tseeb hauv nws tus kheej cov ntsiab lus, lawv tsuas yog ob qho tib si yuav tsum muaj lub ntsiab lus tib yam.
Ib tug kuj yuav nug, yog Contrapositive logically sib npaug? Tshwj xeeb tshaj yog, cov contrapositive ntawm nqe lus "yog A, ces B" yog "yog tsis B, tsis yog A." Ib nqe lus thiab nws contrapositive yog logically sib npaug , nyob rau hauv lub siab hais tias yog hais tias muaj tseeb, ces nws contrapositive yog muaj tseeb thiab vice versa.
Tib neeg kuj nug, qhov laj thawj sib npaug li cas rau P thiab Q?
Los ntawm txhais, p q ua yog cuav yog tias, thiab tsuas yog tias, nws qhov kev xav, p yog qhov tseeb thiab nws cov lus xaus, q , yog cuav. Lub converse thiab inverse ntawm ib tug conditional nqe lus yog logically sib npaug rau ib leeg, tiam sis tsis yog ob leeg logically sib npaug mus rau cov lus qhia.
Dab tsi yog qhov sib npaug ntawm kev sib npaug hauv lej?
Logical sib npaug yog ib hom kev sib raug zoo ntawm ob nqe lus los yog kab lus hauv propositional logic los yog Boolean algebra. Cov kev sib raug zoo txhais lus ua "yog tias thiab tsuas yog" thiab yog cim los ntawm ob kab, ob lub xub taw rau sab laug thiab sab xis ().
Pom zoo:
Dab tsi yog qhov sib txawv ntawm cov ntaub ntawv sib sau ua ke thiab cov ntaub ntawv tsis sib xws?
Kev sib sau cov ntaub ntawv yog sau thiab sau cov ntaub ntawv; kom disaggregate cov ntaub ntawv yog rhuav tshem cov ntaub ntawv sib sau ua ke rau hauv cov khoom siv lossis cov ntaub ntawv me me
Dab tsi yog qhov sib txawv ntawm kev sib txuas lus taw qhia thiab kev sib txuas tsis raug cai?
Qhov txawv: Kev sib txuas lus taw qhia thiab kev sib txuas tsis muaj kev sib txuas Kev sib txuas lus taw qhia kev sib txuas ua rau muaj kev sib txuas thiab xyuas seb cov lus puas tau txais lossis tsis tau thiab xa rov qab yog tias muaj qhov yuam kev tshwm sim, thaum qhov kev pabcuam tsis sib txuas tsis tau lees tias xa xov
Cov lus qhia twg yog siv rau kos npe sib npaug?
IMUL cov lus qhia nrog ntau tus neeg ua haujlwm tuaj yeem siv rau kev kos npe lossis tsis kos npe sib npaug, txij li cov khoom 16-ntsis yog tib yam hauv ob qho xwm txheej
Dab tsi cuam tshuam cov lus qhia hauv kev sib txuas lus tsis yog lus?
Cov lus qhia cuam tshuam yog qhov hais lus thiab tsis hais lus ntawm kev cuam tshuam (kev xav). Cov kev qhia no tuaj yeem yog los ntawm lub ntsej muag, kev piav tes piav taw thiab lub cev lus, ntim thiab lub suab ntawm lub suab, luag, quaj, thiab lwm yam. Kev cuam tshuam cov duab tuaj yeem hloov kho lossis cuav yog li ib qho tuaj yeem tshwm sim, thaum lawv hnov lwm (piv txwv li luag ntxhi thaum tu siab)
Dab tsi yog qhov sib txawv tseem ceeb ntawm kev sib txuas lus tsis sib xws thiab kev sib txuas lus taw qhia?
1. Hauv kev sib txuas lus tsis muaj kev sib txuas lus tsis tas yuav tsim kev sib txuas ntawm qhov chaw (sender) thiab qhov chaw (receiver). Tab sis nyob rau hauv kev sib txuas-taw qhia kev sib txuas lus kev sib txuas lus yuav tsum tau tsim ua ntej hloov cov ntaub ntawv