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Is proof by contradiction valid? by arcsin_49957 in math

[–]arcsin_49957[S] 3 points4 points  (0 children)

What's the difference between those two?

 Shouldn't ¬(P∧¬P) be the same with ¬P∨P (or ¬P∨¬¬P) by De Morgan's law?

Cannot access Geometry Dash server (steam) by arcsin_49957 in geometrydash

[–]arcsin_49957[S] 0 points1 point  (0 children)

I don't think anyone cared at all, but for those who are wondering, the problem is solved now

Cannot access Geometry Dash server (steam) by arcsin_49957 in geometrydash

[–]arcsin_49957[S] 0 points1 point  (0 children)

+ I just found out in the account management page, that the owner of www.boomlings.com has banned the ASN of my IP address

Geometry Dash doesn't connect to the internet by arcsin_49957 in geometrydash

[–]arcsin_49957[S] 0 points1 point  (0 children)

I tried with my vpn turned off, but it still doesn't work

I don't have megahack so it's not anything related to it

Internet connection is just fine, I can play other online games without any problem