With the help of the Tower, the first magicians opened the closed door, allowing the room to be seen clearly by Samantha and Rachel.

This is a refreshing and clean study, every book is neatly arranged, without the slightest mess, the paper on the table is divided into several piles in an orderly manner, even the scratch paper is also stacked meticulously, and every detail and every corner of the rest fully reflects the strict and serious character of the master Harvin.

On the chair behind the desk, Harvin sat quietly, a layer of crystal clear ice condensed on his body, even in the fiery temperature of July, they did not melt much, but turned the air around him into a trace of white frost.

Harvin sat very straight in the ice, dressed in a standard Tower mage outfit with a gray pointed hat and a wide robe, and with the Arcane and other badges on his chest, he solemnly looked like he was going to attend the "Evans Arcane Award" or "Arcane Scepter Award" ceremony.

His face was pale, his stiff expression revealed a faint sense of confusion, despair and relief, and he held a glass of red wine in his hand, as if he would stand up at any moment to welcome everyone, but his eyes were empty and lifeless.

"It's really the way Harvin would have chosen to die, clean and elegant...... Rachel whispered to Samantha.

They all know Harvin, after all, they were both arcanists in the tower who hoped to advance to the Six Rings, and they competed and encouraged each other, and the relationship was quite harmonious, so they also knew Harvin's character better, but now, the two of them are already high-level arcanists and magicians, but Harvin ended his life with ice and snow magic. These have to be said to be two microcosms of the times.

Samantha thought of her wandering, confusion and frustration during this period of time, and said with feeling: "In fact, in another ten years, Haven will be able to be promoted to a higher rank...... In fact, no matter how desperate I am, I shouldn't give up easily, if it were me, I would live, live well, see what this arcane world will develop, and see if it is worth the ...... we lose."

"Harvin himself has severe obsessive-compulsive disorder and depression, and I've been trying to find ways to build the corresponding hormone magic to help him. It's a pity ......," Rachel said, referring to some of the concepts that she, her teacher, and Lucien Evans had come up with.

In the past. Although this kind of psychological problem can be dealt with by magic, it is only a short-term effect, such as using spells such as mechanical minds, unless any magician is willing to abandon normal feelings. Constant for a long time, similar to magic. in order to be considered a "complete solution" to the problem. Therefore, there are not a few ancient magicians with extreme or crazy personalities!

Due to her close friends, Samantha is no stranger to the development of the arcane in the psyche. Nodding slightly, he said: "In addition to the help of magic, daily enlightenment is also needed, but there is always a lack of basic theories in psychotherapy, and it is impossible to gather the bits and pieces of research into a complete system." ”

As they spoke, the two walked into Haven's room, a friend of Haven and a high-ranking magician, and the rest of the arcanists acquiesced in their authority to deal with the matter.

Thanks to Harvin's "good habits", Rachel and Samantha did not bother to find it, and simply found an unsealed letter in the corresponding place on their desk.

The patterned paper inside the letter has a faint scent of books, and it is folded into a square shape.

Rachel was not careless, and after careful examination, opened the letter and read it softly:

“...... I've been exhausted by the controversy of the past few moments, and I can't imagine the entire foundation of the galaxy being upended, no, the loss of certainty of the entire physical realm...... I kept arguing and arguing with people, but things went in the opposite direction......"

“...... Looking back on the rapid development of arcane in the past few years, I feel deeply confused, how ridiculous it is that what we are now afraid of, feared and desperately resisting happens to be the product of the theories we have been happy and satisfied with before......"

“...... My brain is constantly thinking about all kinds of difficult and even contradictory problems, and there is not a second of silence, but my thinking does not solve any dilemma, I am tired, exhausted, and want to end this life......"

“...... I made a cowardly decision, I don't think I can catch up with the development of the arcane, and I can't accept this development either, hoping to return to the golden age of determinism in my 'dream'......"

After reading the letter, which was full of exhaustion, despair, and confusion, Rachel suddenly felt a little empathy, except for a few, most of the arcanists probably felt the same way, only in different shades.

"Harvin...... Alas...... "She wanted to say something, but at last she turned into a sigh.

All the magicians who came fell silent, as if mourning for Haven and feeling sorry for themselves.

Samantha withdrew her gaze from Harvin's corpse and looked out the window, the July midday sun was so brilliant and yet so dazzling.

As the minutes ticked by, Rachel cleared her throat and prepared to arrange the next thing, when a tower magician came up from the elevator with a thick book in his hand: "Nature has released a special issue of Fundamentals of Mathematics!"

There was a palpable joy in his voice, and a brief flip through seemed to give him a well-structured temple of mathematics and science.

"Fundamentals of Mathematics?" Samantha asked subconsciously.

The tower wizard replied aloud with joy, "Yes, Lord Evans' answer to the many current mathematical questions. Through these solutions, he constructed a dense and well-founded mathematical system!"

He could only answer like this, because he had not yet had time to read carefully, and suddenly, he noticed the situation in the study: "Ha, what's wrong with Harvin?"

The other magicians told him what had happened and Harvin's last words, and he said with chagrin and regret: "I should have come earlier, if Harvin had seen the book "Fundamentals of Mathematics", he would have rekindled his enthusiasm for studying mathematics." Some time ago, I had similar confusion and frustration, and now. These emotions can't quench my enthusiasm for mathematics and science, and it turns out that we still have so much to do!"

Samantha and Rachel heard that he was exaggerating, and couldn't help but ask for the books he had bought for someone in his storage bag, and went straight to Harvin's study to read them.

Although they didn't have time to look at the specific derivation process, Lucian's proposal or redefinition of some concepts in the field of mathematics and physics, such as number theory, sets, groups, domains, topology, etc., made them feel refreshed, as if the scattered and random research in the past had formed an inseparable whole, flesh and blood.

Much of the book does not exceed the scope of their knowledge, as it is based on current research in the field of mathematics and physics, and is integrated and further elaborated. The new concepts proposed are not very difficult to understand. Not only does it have a rigorous logical deduction process, but it also hits the ground running into the current Tower Arcanists.

Looking at this book, Samantha, Rachel and others seem to have seen the formation of new directions in the field of mathematics and physics, and saw an unusually broad world!

"His Excellency Evans used to speak. Mathematics cannot rely on arcane and magic. It can't just serve their problem solving. It should be an independent theory based on rigorous deduction and deduction, with its own problems, and it should not be ignored because it is not useful. Rachel suddenly sighed. I remember these words very clearly, and I think they make a lot of sense, but in actual research, I still ignore many problems, and now, I completely understand the meaning. ”

She swept away the previous grief, confusion and confusion, and seemed quite alive, as if she had rekindled her passion.

Samantha also said with great emotion: "In the past, when we applied scattered mathematical knowledge to solve problems, although we finally achieved our goal, it always felt very obscure and difficult, as if there were invisible walls around us that were blocking our efforts, and now, those walls have disappeared......"

"Well, Lord Evans also gave an in-depth exposition of axiomatization, giving a complete axiomatic system of tower geometry. An arcanist said the content of the latter part, although Lucian proposed the concept of axiomatization very early, and the arcanists also had some research and application in practice, but after seeing this system of axioms of tower geometry, he still vaguely felt that the basic view of mathematics seemed to have quietly changed.

In the midst of the heated discussion, Samantha suddenly stood up, rubbed a copy of the book in her hand and placed it in front of Harvin, and then lit it with a flame.

"With the company of "Fundamentals of Mathematics and Physics", the world after your death will definitely be full of color. She whispered.

The other arcanists also quieted down, sighing in their hearts, fortunately "Fundamentals of Mathematics" was released at this time.

After dealing with Harvin's funeral, Rachel, Samantha, and the others left his room one after another, and in the process, one by one, the arcanists hurried to continue reading: "'Difficult problems in current mathematical research'?"

“...... Can any even number greater than 2 be written as the sum of two prime numbers......" he was lost in thought as he finished reading the question.

"Four-color problem?" the other Arcanist flipped to the next page.

After hearing their words, Samantha and Rachel glanced at each other and quickly flipped to the content behind.

Suddenly, the hallway was filled with statues of arcanists, muttering something with dazed and frenzied expressions.

After an unknown amount of time, Samantha and Rachel were awakened by the sound of footsteps, and then saw the circles of "vertigo" in each other's eyes.

So, Rachel laughed and said, "These questions are really scary, at first glance they seem very simple, but if you think deeply, you will find that they are extremely difficult......"

"So, even Lord Evans was stumped. Samantha smiled rarely.

"The last question, the barber's paradox?" Rachel reads the last few pages, "...... A barber in a small town who makes a promise after something, 'I'm only going to give a haircut to everyone in the town who doesn't do it himself,' should he cut his own hair? What's the problem?"

"This ......" Samantha thought deeply as the book in her hand fell to the ground with a thud.

Knock knock, and the rest of the arcanists who heard Rachel's words were shocked to let the book fall to the ground.

This is a well-known paradox about set theory, which, at the current level of research, means a shake in set theory, which in turn is the foundation of the field of mathematics and science, so to speak, this paradox makes people doubt the validity of the basic structure of the entire field of mathematics and science!

"I was just rejoicing at the perfection of set theory, and now I have to face the horror and despair that comes with it......" One of the arcanists said something similar to Harvin's last words.

............

Ellerstin and Nordaniel wandered around the city of Arlinge, and saw many Arcanists studying leisurely and diligently under the shade of the trees.

"It's hard work, no wonder the Magic Council has grown so quickly. Ellestine sighed, then looked curiously at one of the young magicians, "What book is he reading?"

"Mathematics and Physics...... Basic ...... "Nordaniel relied on his strong vision to recognize word by word.

"Mathematics ......" Ellerstin nodded, and was about to turn to leave, when he heard Nordiel add suspiciously: "These words have a red cross drawn on them, and there are other handwritten words underneath......"

Ellerstine became more and more curious: "What word?"

Nordaniel again carefully discerned: "Demon...... Book ......"

"The Devil's Book?" repeated Ellerstine, puzzled. (To be continued......)

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