Index of Ehrenfeucht Fraïssé Games: Natural Numbers with < and =, QL-style

Click an expression to play one.
(You may need a partner.)

1. L(n,o)

2. L(t,o)

3. xy.L(x,y)

4. x (E(x,n) ∨ L(n,x))

5. x.∃y.(L(x,y) & L(y,o))

6. x.∀y (E(x,t) & L(x,y))