Again, you're splitting hairs. If you're using the computer in one way or another, you're on the computer.
You're jumping with dirt in your hand. It's still separating one point in time from another.
For this one you're separating two different places.
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Since it is obviously not sinking in, the original point of it was to show that at that point in time and at that specific place, it cannot be both raining and not raining. Or you cannot be both on the Earth and off of it.
Therefore, there are things which are impossible. Contradictions are impossible.
-A round square.
-A cat that is alive and dead (I'm pointing this out so somebody can go "but but Schrodinger cat! It doesn't work like that.)
I could go on, but if this doesn't make the point, nothing will.