Nyob rau hauv logic thiab lej, tus nqi tseeb, qee zaum hu ua tus nqi tsim nyog, yog tus nqi qhia txog kev sib raug zoo ntawm qhov kev pom zoo rau qhov tseeb.
Tus nqi tiag tiag yog dab tsi?
qhov tseeb-tus nqi, hauv logic, qhov tseeb (T lossis 1) lossis falsity (F lossis 0) ntawm cov lus qhia lossis nqe lus.
Tus nqi piv txwv yog dab tsi?
Qhov Tseeb
Piv txwv, yog nqe lus 'Nws nyiam caum squirrel' yog qhov tseeb, ces qhov tsis zoo ntawm nqe lus, 'Nws tsis nyiam caum squirrel, ' yog cuav. Peb tuaj yeem tsim ib lub rooj yooj yim los qhia qhov tseeb tus nqi ntawm nqe lus thiab nws qhov kev tsis pom zoo.
Qhov tseeb qhov tseeb yog dab tsi?
Qhov tseeb los yog falsity of a proposition is called its truth value.… Ib qho xwm txheej yeej muaj tseeb tshwj tsis yog thaum qhov kev tshwm sim muaj tseeb thiab qhov tshwm sim tsis tseeb. Rau ib tug biconditional kom muaj tseeb, ob qhov input qhov tseem ceeb yuav tsum yog tib yam (ob qhov tseeb los yog ob qho tib si cuav). Ib qho kev tsis pom zoo muaj qhov sib txawv ntawm qhov tsis pom zoo.
Qhov tseeb ntawm nqe lus yog dab tsi?
Tus nqi tseeb: cov khoom ntawm nqe lus ntawm qhov tseeb lossis tsis tseeb. Txhua nqe lus (los ntawm kev txhais ntawm "cov lus") muaj qhov tseeb muaj nuj nqis; peb feem ntau txaus siab rau kev txiav txim siab qhov tseeb, ua lwm yam lus hauv kev txiav txim siab seb nqe lus puas yog qhov tseeb lossis tsis tseeb.
