## The lattice copies of $$\ell _1$$ in Banach lattices.(English)Zbl 1090.46503

It is a known theorem that any Banach lattice with order continuous norm containing $$\ell _1$$ contains a lattice copy of $$\ell _1$$. The paper under review presents a more direct proof of this fact.

### MSC:

 46B42 Banach lattices 46B45 Banach sequence spaces
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