Dab tsi yog Biconditional nqe lus hauv logic?
Dab tsi yog Biconditional nqe lus hauv logic?

Video: Dab tsi yog Biconditional nqe lus hauv logic?

Video: Dab tsi yog Biconditional nqe lus hauv logic?
Video: Tswv Yexus lub neej thaum pib txug thaum xaus 2024, Kaum ib hlis
Anonim

Thaum peb muab ob lub conditional nqe lus txoj kev no, peb muaj ib biconditional . Lus txhais: A biconditional nqe lus txhais tau tias muaj tseeb thaum twg ob qho tib si muaj qhov tseeb qhov tseeb. Cov biconditional p q sawv cev "p yog thiab tsuas yog q," qhov twg p yog qhov kev xav thiab q yog qhov xaus.

Ib yam li ntawd, thaum twg koj tuaj yeem sau Daim Ntawv Qhia Biconditional?

' Biconditional nqe lus muaj tseeb nqe lus uas muab cov kev xav thiab qhov xaus nrog cov lus tseem ceeb 'yog thiab tsuas yog yog. ' Piv txwv li, lub lus yuav coj daim ntawv no: (hypothesis) yog thiab tsuas yog yog (lus xaus). Peb ua tau kuj sau nws li no: (lus xaus) yog thiab tsuas yog (hypothesis).

Ib sab saum toj no, IFF txhais li cas thaum siv hauv Biconditional nqe lus? Hauv logic thiab lwm yam xws li kev ua lej thiab kev xav, yog thiab tsuas yog (ua kom luv li ib iff ) yog ib biconditional logical txuas ntawm nqe lus , qhov twg ob qho tib si nqe lus yog tseeb los yog ob leeg yog cuav.

Kuj paub, dab tsi yog qhov tsis lees paub ntawm Biconditional nqe lus?

Cov kev tsis pom zoo ntawm no yog thaum ib tug muaj tseeb thiab lwm yam cuav, uas yog precisely yam koj tau sau. Uas tau hais tias, nws yuav tsum tsis muaj teeb meem tiag tiag vim tias koj tsis tuaj yeem muaj ob qho tib si p∧∼q thiab ∼p∧q, rau qhov ntawd txhais tau tias koj muaj p∧∼p (thiab q∧∼q) uas yeej tsis muaj.

Ib qho piv txwv ntawm Biconditional nqe lus yog dab tsi?

Biconditional Nqe Lus piv txwv Cov biconditional nqe lus rau ob pawg no yuav yog: Lub polygon tsuas muaj plaub sab yog thiab tsuas yog tias lub polygon yog plaub fab. Lub polygon yog ib lub quadrilateral yog thiab tsuas yog tias lub polygon tsuas muaj plaub sab.

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