2,500 years ago, the Greek philosopher Zeno posited a quandary.

If you wanted to travel from one place to another, you first have to go half the distance.

Then you have to go half the distance again and then half again.

You can do this indefinitely and never reach your goal.

This was one of the first paradoxes known to history.

Since then there have been many others which often leave people scratching their heads.

Learn more about paradoxes and how to resolve some of them on this episode of Everything Everywhere

Daily. A paradox is something which is contradictory or something which appears to be contradictory.

Paradoxes appear in many different areas including logic, mathematics, physics, economics, psychology, and politics.

So let's just jump right in and talk about the most basic form of paradox,

a logical paradox.

The most basic of that would be what's called the Liar's Paradox. The Liar's Paradox would be the liar's paradox. The liar's paradox would be the following statement.

I always lie. If in fact I always lie, then that statement is true. And if it's true,

then I don't always lie,

which makes the statement false.

The statement is self-contradictory.

There are many different ways to state the liar's paradox,

but in the end it's all pretty much the same.

Another similar logic paradox was put forward by the British logician Bertrand Russell

called the Barber Paradox, and it goes like this.

In a town there is a single barber. The barber shaves all those

and only those who do not shave themselves. The question then is who shaves the barber.

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