@Borderlands 5 Golden Keys July 19, 2019 (thru Aug 5th) PC/Mac/Linux: ExpiredPlayStation: ExpiredXbox: Expired CBCTJ-SFXZ3-RFBRC-JTJ3T-JK3B3 KTWTB-59KHH-9TWZK-ZBWB3-X55C6 C35JB-X6ZFC-9S6FS-56TJT-X9R9W Facebook 5 Golden Keys July 19, 2019 (thru Aug 5th) PC/Mac/Linux: Expi...
For example, {1,2}{1,2} and {3,4}{3,4} are particular sets in ZFC which are not the same set (because they don't contain the same elements; that's what it means for two sets in ZFC to be equal) even though they are in bijection with each other. This...