| Wed, 23 Aug 2023 03:02:31 +0100 | Chengsong | added technical Overview section, almost done introduction | file | diff | annotate |
| Mon, 10 Jul 2023 14:32:48 +0100 | Chengsong | more explanation for the name "closed form" and their intuition | file | diff | annotate |
| Mon, 10 Jul 2023 01:53:32 +0100 | Chengsong | more | file | diff | annotate |
| Mon, 10 Jul 2023 01:51:46 +0100 | Chengsong | overview of finiteness proof Gerog comment "not helpful", adding more intuitions of "closed forms" | file | diff | annotate |