2 ms·
Can't seem to figure out how the reverse or block works unfortunately, just stuck on A | B -> B | A
by Strikingwolf 11y ago
Can't seem to figure out how the reverse or block works unfortunately, just stuck on A | B -> B | A
- zyzor 11y agoHere are two ways to proof it: http://postimg.org/image/c4ghgyw8r/ http://postimg.org/image/c4ghgyw8r/