Historically, in 2021, the rule might have been similar. If you're interested in reviewing the archived rules, you can try visiting the subreddit's wiki or searching for web archives.
Unfortunately, I don't have direct access to the subreddit's rules archive. However, I can tell you that Rule 6 of the r/CS subreddit currently states: "No low-effort posts. Posts should be thoughtful and engaging." cs rin forum rule 6 2021
You're looking for information on the rules of the r/CS subreddit, specifically Rule 6 from 2021, and a related useful paper. Historically, in 2021, the rule might have been similar
Could you please provide more context about the topic you're interested in related to computer science (r/CS)? That way, I can try to suggest a relevant and useful paper for you. specifically Rule 6 from 2021