As for the content of this page, there's a line within that now applies to itself:
Introductory articles – somewhat dated but nevertheless rather informative:
k4, what it lists as the most recent version, is about 20 years old now, and it talks about it like it's new. Still informative, though!
EDIT: Giving it another look, it looks like the links have been updated over time (for example, the reference to oK), though the main content of the post is about ten years old
and the initial list of links is over ten:
As for the content of this page, there's a line within that now applies to itself:
Introductory articles – somewhat dated but nevertheless rather informative:
k4, what it lists as the most recent version, is about 20 years old now, and it talks about it like it's new. Still informative, though!
EDIT: Giving it another look, it looks like the links have been updated over time (for example, the reference to oK), though the main content of the post is about ten years old and the initial list of links is over ten:
https://web.archive.org/web/20110927003800/http://www.math.b...