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Entangled or Not?

Is the following state Ψ|\Psi\rangle entangled?

Ψ=12(+).|\Psi\rangle = \frac{1}{\sqrt{2}} (|\downarrow\downarrow\rangle + |\downarrow\uparrow\rangle).

Note: The notation =|\uparrow\downarrow\rangle = |\uparrow\rangle \otimes |\downarrow\rangle is a common shorthand for tensor products of spin states.

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