The title of J.K. Backhouse's Pure Mathematics .
He slammed the laptop shut. The wall went back to being a wall. The air went back to being air. But his reflection in the dark screen was still looking at him from an angle he wasn't sitting at. And in its hand, it held a green book that did not exist. pure mathematics by j.k backhouse pdf
He never found a physical copy. The ISBN led to a deleted entry. The publisher had gone under in 1982. But sometimes, late at night, when he opened a blank LaTeX document to start a proof, he would see a crooked scan of a footnote in the margins, asking him a question about the barber who shaves all those who do not shave themselves. The title of J
At 2:00 AM, he reached Chapter 4: Relations. The PDF did something strange. The word āequivalenceā shimmered. He rubbed his eyes. No, the letters had justā¦ shifted. He kept reading. The wall went back to being a wall