| ▲ | First Proof Second Batch [pdf](1stproof.org) | |
| 2 points by chaoxu 6 hours ago | 1 comments | ||
| ▲ | 6 hours ago | parent [-] | |
| [deleted] | ||
| ▲ | First Proof Second Batch [pdf](1stproof.org) | |
| 2 points by chaoxu 6 hours ago | 1 comments | ||
| ▲ | 6 hours ago | parent [-] | |
| [deleted] | ||