Video: Conditional proposition yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov lus pom zoo . A lus tawm tswv yim ntawm daim ntawv "yog p ces q" lossis "p implies q", sawv cev "p → q" yog hu ua a raws li txoj cai . Piv txwv li: "yog tias John los ntawm Chicago ces John yog los ntawm Illinois". Cov lus tawm tswv yim p yog hu ua hypothesis lossis antecedent, thiab cov lus tawm tswv yim q yog qhov xaus lossis qhov tshwm sim.
Ua raws li qhov no hauv kev txiav txim siab, dab tsi yog cov nqe lus muaj cai nrog piv txwv?
Kev daws: Hauv Piv txwv 1, p sawv cev, "Kuv ua kuv cov ntawv ua tom tsev," thiab q yog "Kuv tau txais kuv cov nyiaj pub dawb." Cov nqe lus p q yog ib nqe lus hais uas sawv cev rau "Yog p, ces q." Lus Txhais: Ib nqe lus muaj cai, cim los ntawm p q, yog ib nqe lus yog-ces uas p yog ib qho kev xav thiab q yog ib qho xaus.
Secondly, dab tsi yog conditional thiab Biconditional? Cov raws cai , p implies q, yog cuav xwb thaum pem hauv ntej muaj tseeb tab sis sab nraub qaum yog cuav. Txwv tsis pub nws muaj tseeb. Cov biconditional , p iff q, yeej muaj tseeb thaum twg ob nqe lus muaj qhov tseeb tib yam. Txwv tsis pub nws yog cuav.
Ntawm no, Proposition thiab piv txwv yog dab tsi?
Siv lus tawm tswv yim hauv ib kab lus. npe. Lub ntsiab txhais ntawm a lus tawm tswv yim yog ib nqe lus uas muab ib lub tswv yim, tswv yim los yog txoj kev npaj. Ib piv txwv ntawm a lus tawm tswv yim yog lub tswv yim hais tias lub txim tuag yog ib txoj hauv kev zoo kom tsis txhob ua txhaum cai. Ib piv txwv ntawm a lus tawm tswv yim yog ib qho kev tawm tswv yim rau kev hloov pauv hauv cov nqe lus ntawm tuam txhab txoj cai.
Dab tsi yog disjunctive proposition?
Kev tsis sib haum xeeb . a lus tawm tswv yim nyob rau hauv uas cov khoom txuas nrog disjunctive conjunctions, qhia tias ib tug ntawm ob los yog ntau tshaj lus tawm tswv yim tej zaum yuav tuav, tab sis tsis muaj ob lus tawm tswv yim tuaj yeem tuav tib lub sijhawm; raws li nws yog hnub los yog hmo ntuj.
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