The conductor looked at everyone and said with a smile: "So, my question will also be related to philosophy." ”

"Before I died, I saw a very interesting question on the Internet, it has been bothering me, can you answer it for me?"

"This problem is the famous red-green color blindness!"

The conductor's emotions began to get agitated, explaining:

"Specifically, there is a person who sees red as green and green as red. But since he was a child, his parents and the people around him pointed to red (the green in his eyes) and said that this color was called red, and pointed to green (the red in his eyes) and said green.

In this way, because in his cognition, green is actually called red, and red is actually called green, so it will not bring any trouble in life at all. So the question is, how to distinguish him from normal people? How do you prove that you see the same green as everyone else? ”

"That's my problem!"

After the conductor finished speaking, he stepped aside with a smile and quietly waited for everyone's answer.

The moment he heard this question, Tang Yaoren was stupid, stupid and completely stupid.

Because he never studied philosophy!

It can even be said that in his previous life, he looked down on philosophy a little, and even felt that philosophy had robbed some of the credit that should belong to science.

Although he was later scolded by his mentor and reluctantly agreed with the statement that philosophy guides science, he still refused to study philosophy systematically.

Now retribution has come!

"I'm @#&%!"

Tang Yao felt that this game was aimed at himself at all!

The first two questions are inexplicable, and he just thinks of it as a brain teaser, so what's the matter with taking the philosophy test now?

Not only was he confused, but the rest of the people were also confused, Lin Dong snorted lightly, and gave up thinking very self-consciously.

He is an underworld, what philosophy does he study?

But it seems that the more stupid people are still trying, the second leader of the Black Dragon Gang, the flower shirt looked at everyone with a confused face, and said, "What does this old man mean?" Isn't that simple? Isn't it okay to find a few more people to point to the green and say it's green? ”

Lin Dong gave him a roll of his eyes, and Yun Siyao also shook his head and sighed.

At this time, Tang Yao's face was extremely ugly, and his brain was spinning wildly, desperately looking for a possible answer, because if he couldn't answer this question, he would only face death!

However, even if he tried to break his head, he couldn't come up with a solution.

Because this involves human cognition and sensory issues, human beings rely on sensory systems to understand the world, and this intuitive feeling is very private!

For example, wavelengths of different lengths enter the human eye, and then convert them into electrical signals to the brain, which then converts them into various colors, and all you can know is a color, but you can't say exactly the wavelength of the light wave that enters your eye!

And because different people's visual cells will have subtle differences, this will cause the same wavelength to appear different colors in different people's eyes!

In this case, because you can't feel other people's senses, the answer to this question is, in a way, unsolvable!

We human beings are just using words to name an objective substance!

For thousands of years, I don't know how many people with great wisdom have thought about similar questions, and in the end they can't solve them, and Tang Yao wants to come up with the answer in just a few minutes, it's just a fool's dream!

Thinking of this, Tang Yao's heart sank bit by bit.

What's going on? Could it be that the organizers of this game don't want them to live at all, so there is an unsolvable problem?

Or is there a way to crack it that he hasn't noticed?

Just as Tang Yao was pondering, an old laugh suddenly sounded.

Everyone looked towards the source of the laughter, only to see Yan Qianqi looking at the rest with a smile on his face.

"It's kind of interesting." He muttered to himself, "It's a bit like a brain in a vat. ”

"Brain in a vat?" The crowd was confused.

"Not bad." Yan Qianqi nodded, "The brain in the tank means that it is possible that the world is false, and you are just a brain placed in a water tank, everything you see, hear, and perceive is an electrical signal transmitted to your brain by scientists through wires." ”

Everyone looked at each other, but still didn't understand what Yan Qianqi meant.

So, Yan Qianqi had no choice but to continue to explain: "These two questions are about objective existence and perception, we human beings rely on perception to understand the world, so if perception is false, then our perception of objective existence must also be false." ”

Yan Qianqi's words were too profound, and the rest of the people were confused when they heard it, only Tang Yao roughly understood what he meant.

At this time, Lin Dong said in a deep voice: "What does Elder Yan mean? I, Lin, am just a coarse person, I don't understand these philosophical things, I just want to know if Elder Yan has the answer? ”

Yan Qianqi smiled and said, "It's a pity that the brain in the jar problem is logically unsolvable, and the same is true for the red-green color blindness. ”

"What ???" As soon as these words came out, everyone's faces changed drastically.

Lin Dong was also panicked, and he hurriedly asked, "What's the matter?" Yan always said that there was no answer to the train conductor's question? Aren't we certain to die? ”

Yan Qianqi didn't speak, just touched his chin, as if thinking about something, and the rest didn't dare to disturb, so they had to obediently wait for his final answer.

After a long time, he said: "If the problem of red-green blindness in the strict sense is indeed unsolvable, but there are some tricks, it depends on whether the conductor recognizes it or not." ”

"How?" Lin Dong hurriedly asked.

Yan Qianqi didn't answer, but just stepped forward under everyone's gaze, and suddenly said loudly: "I want to answer the question!" ”

Everyone was stunned by Yan Qianqi's actions, he actually wanted to answer the question in person!

"Elder Yan?" Lin Dong was a little surprised, "Why do you have to answer the question yourself, wouldn't it be nice to let other people do this kind of trivial matter?" ”

Yan Qianqi glanced at Lin Dong with a smile, and said lightly: "Gang Master Lin, you don't need to pretend anymore when you reach this time." ”

Lin Dong's face changed.

Yan Qianqi's face suddenly turned serious, and he snorted coldly: "If I don't answer the question, I'm afraid the old man will be buried in this carriage!" ”

Lin Dong laughed dryly, and hurriedly said, "What is Elder Yan talking about?" You are highly respected, and you are a powerful evolutionary of the eighth order of black iron, who would dare to make a move against you? ”

Yan Qianqi didn't say much, just waved his hand, and said: "I already knew that my brothers had leaked the news that my cultivation was completely lost after I was seriously injured, Gang Master Lin doesn't have to pretend not to know, I am no different from ordinary people right now!" ”

Seeing Yan Qianqi reporting his family background, Lin Dong was silent, but in just a second, his face changed to another face, and he sneered: "The old thing has some ability, I underestimated you, let's see!" ”

With that, he stepped aside.

Lin Dong didn't choose to make a move, because firstly, there was a bodyguard of unknown strength on Yan Qianqi's side, secondly, he also needed Yan Qianqi to answer the right question, and secondly, he didn't believe that Yan Qianqi really lost his cultivation as he said.

"This old guy is deliberately showing weakness and wants me to let my guard down!" Lin Dong said secretly in his heart.

Seeing that he had gotten rid of Lin Dong, Yan Qianqi stepped forward and coughed lightly and said his answer:

"The way to tell the difference between red-green color blindness is very simple, and that is to use complementary color relationships!"