Crazy with paradoxes 'quiz you prove'

Paradoxes have been discovered and debated by ancient Greeks since time immemorial. Let's take a look at the famous paradoxes mentioned in philosophy and science through the research below.

The list of the dreaded paradoxes is most mentioned

1. Achilles paradox and turtle

Imagine Achilles (a hero in Greek mythology) and a turtle entering a race. Achilles lets the turtle go 100 meters ahead and the two new opponents start.

Achilles paradox diagram and turtle.

After Achilles finished running the first 100m, the turtle, though slowly, ran 10 meters more. Achilles ran for another 10m but the turtle managed to run another 1m. Achilles ran for another 1m and the turtle could go another 10cm. The race goes on and leads to an unreasonable conclusion: Achilles will never catch the turtle.

Zeno's paradoxical logic is completely contrary to reality.

The Achilles paradox and the tortoise were spoken by ancient Greek philosopher Zeno, so it is also called Zeno paradox. This paradox is very famous because at that time, other philosophers were unable to refute his argument.

We all know in reality that Achilles will definitely catch up and get past the turtle.

2. The paradox of Epimenides

Philosopher Epimenides is a philosopher who supports the idea that Zeus is immortal. This idea contrasts with the belief of Crete Island, a prosperous island located in ancient Greek civilization. So Epimenides declared: "All Creteers are liars."

Bust of philosopher Epimenides.

However, because Epimenides was also a Cretan, he unknowingly admitted that he was a liar himself. But when Epimenides lied, the Cretan people were truthful people. Under this new condition, Epimenides' words are considered true because he is a Cretan.

As a result, we deduce from the philosopher's affirmation that the entire island population is lying. Another logical loop begins and there is no end point.

Trace the remaining ancient civilization on today's Crete.

Epimenides paradox is one of many examples of 'lying paradox' . How would you answer if a person asked: 'Am I lying, right or wrong?' If you conclude that he is right, the person has said the truth that he is lying, that is, he lied.

If you say he lied, then his 'I am lying' proposition is a lie, that is, he is telling the truth. No matter how you answer, the answer is always in conflict with its logical consequences.

3. Olbers paradox

Olbers paradox is known to astronomers as a proof of Big Bang theory , ie the universe must start from a big explosion and thus have a certain age.

From any point of view, will our eyes meet a star or galaxy?

Suppose the Big Bang theory is wrong and the universe has no starting and ending points. So, if we launch our sight to any direction in the night sky, we will all have to see a star or galaxy.

The night sky is "black" indicating that the universe must have a certain age.

If the universe has always existed, the light of even distant stars will find us and as a result the night sky will be as bright as the day. But the dark night sky had denied this theory.

4. Paradox grandfather

The grandfather's paradox denies the possibility of passing time to the past.

The grandfather's paradox was first described in 1943 by French science fiction writer René Barjavel.

Suppose a man decided to go back to the past and kill his grandfather when he was not married and gave birth to any children. Consequently, the grandchildren will not be able to be born to turn back the time to kill their grandfather.

Can we build a time machine, just like in Doremon?

The grandfather's paradox is said by some scientists, this is evidence that denies traveling through time to the past to change. Not only appeared in many sci-fi works, the paradox of grandfather is still a controversy that has not yet ended in astrophysics.