Aleph null yog tus lej cardinal uas tau muab rau ib qho tsis kawg ntawm qhov loj tshaj plaws, zoo li cov lej ntuj. Nws yog qhov tsawg tshaj plaws "infinite cardinal tooj". Lub cardinality ntawm tus lej tiag, thaum tseem tsis kawg, yog ntau dua aleph null.
Puas yog Aleph Null tus lej ntuj?
Nws tsis tuaj yeem yog qee tus lej hauv naturals, vim tias yuav muaj 1 ntxiv rau tus lej tom qab nws. Hloov chaw, muaj lub npe tshwj xeeb rau cov nyiaj no: 'aleph-null' (ℵ0). Aleph yog thawj tsab ntawv ntawm cov tsiaj ntawv Hebrew, thiab aleph-null yog thawj qhov tsawg tshaj plaws infinity. Nws yog pes tsawg tus lej muaj
Aleph Null siv dab tsi?
Qhov loj ntawm cov teeb tsa tsis kawg yog qhia los ntawm cov lej cim cim los ntawm tsab ntawv Henplais aleph (alef>) nrog subscript. Aleph-null symbolizes lub cardinality ntawm txhua lub teeb uas tuaj yeem sib phim nrog cov lej.
Puas yog Aleph Null qhov tsawg tshaj plaws infinity?
Lub tattoo yog lub cim ℵ₀ (hais tias aleph null, lossis aleph naught) thiab nws sawv cev qhov tsawg tshaj plaws infinity.
2 Aleph Null yog dab tsi?
2- Aleph 0 yog tus infinite cardinality ntawm ntuj, thiab tus lej ntuj thiab rational.
