:: w ⊨ P if and only if for some element v of G, it holds that v ⊨ P and w R v.
:: w ⊨ P if and only if for some element v of G, it holds that v ⊨ P.
0.004 seconds.
:: w ⊨ P if and only if for some element v of G, it holds that v ⊨ P and w R v.
:: w ⊨ P if and only if for some element v of G, it holds that v ⊨ P.
0.004 seconds.