Changing the topic into something lighter than metaphysics…
Are you familiar with the liar paradox? There are several variations of it, but the most common is probably this:
The next sentence is false. The previous sentence is true.
Now, if sentence 1 is true, then 2 must be false, which means that sentence 1 isn’t true after all… but then it means that 2 must be true… and so on. It’s impossible to solve; it’s a paradox.
An even simpler version is the following:
This sentence is false.
Now, is it true or false? 
Finally, let’s consider a third case:
Everything I say is false.
My question is: is this the liar paradox again? Or is it actually possible, and not a paradox at all?
If you’re reading this on the front page, you’ll have to click on “Continue reading…” for the answer. If you’re using your feed reader, or Planet Atheism, or arrived directly at this post, the answer is below, so… close your eyes now and think about it before you open them again.
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