On the Δ<sup>1</sup><sub><em>n</em></sub> Problem of Harvey Friedman
<span>In this paper, we prove the following[...]</span>
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2020-09-01
|
| Series: | Mathematics |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2227-7390/8/9/1477 |