da LoreT314 » 15/11/2017, 20:23
Devo trovare un controesempio per provare che $AuuB=AuuCrArrB=C$ è falsa
Io pensavo ad $A={1;2}, B=O/, C={2}$.
È corretto?
“Alaska, it means 'that which the sea breaks against', and I love that. But at the time, I just saw Alaska up there. And it was big, just like I wanted to be. And it was damn far away from Vine Station, Alabama, just like I wanted to be.” ~ Looking for Alaska