# Article

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Keywords:
$F$-spaces; quasi-Banach spaces
Summary:
It is proved that if $E,F$ are separable quasi-Banach spaces, then $E\times F$ contains a dense dual-separating subspace if either $E$ or $F$ has this property.
References:
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[5] Rolewicz S.: Metric Linear Spaces. Monografie Mat. 56, PWN, Warszawa, 1972. MR 0438074 | Zbl 0573.46001

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