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[2014-9-23. : 3:35 am]  O)FaRTy1billion[MM] -- I should just dig out my old laptop which still has the circuit software for defining logic expressions/circuits out of truth tables .. I can't seem to find such utility by googling for it[2014-9-23. : 3:33 am]  jjf28 -- copbonercopboner shouted: math is 4 dum nerdz lmao Kill him! Kill the traitor![2014-9-23. : 3:33 am]  MasterJohnny -- its more like cs stuff than math...i wish i could use XOR in math...[2014-9-23. : 3:32 am] O)FaRTy1billion[MM] -- because if I do "(C xor (B and D)) xor A", I get too many 1s in my truth table.[2014-9-23. : 3:31 am] Zoan -- but usually people just put things in parenthesis, I dunno why they wouldn't[2014-9-23. : 3:30 am] Zoan -- Actually, I think in logic I think the only order is determined by parenthesis[2014-9-23. : 3:30 am] jjf28 -- there are algebraic ways of doing it, usually you complicate something with not-nots till de-morgans starts working[2014-9-23. : 3:29 am] jjf28 -- that's the kind of insane expression that i'd just truth table and reverse engineer[2014-9-23. : 3:28 am] O)FaRTy1billion[MM] -- is it (C xor B) and (D xor A), ((C xor B) and D) xor A, (C xor (B and D)) xor A ?[2014-9-23. : 3:27 am] Zoan -- well that would be (((C x ~B x ~D) + (~C x B x D)) x ~A) x (~((C x ~B x ~D) + (~C x B x D)) + A)[2014-9-23. : 3:25 am] O)FaRTy1billion[MM] -- yeah, you use the bit operations but you don't have to like define and simplify logic expressions  [2014-9-23. : 3:25 am] Zoan -- C xor BD xor A would mean (C x ~B x ~D x ~A) + (~C x B x D x ~A) + (~C x ~B x ~D x A)[2014-9-23. : 3:24 am] Jack -- farty ye, just bitmasks and maybe in asm you need to have some ideas, and you can do the xor swap using two variables instead of three[2014-9-23. : 3:24 am] O)FaRTy1billion[MM] -- it's just in programming you rarely, if ever, have to deal with these xD[2014-9-23. : 3:23 am] O)FaRTy1billion[MM] -- I know what boolean stuff is, I knew it from programming[2014-9-23. : 3:23 am] Jack -- TBH boolean stuff is just like, 1 AND 1 is 1! 1 AND 0 is 0! 1 XOR 0 is 1![2014-9-23. : 3:23 am] O)FaRTy1billion[MM] -- and it's been years since I did anything with digital electronics where I first learned of these things [2014-9-23. : 3:22 am] O)FaRTy1billion[MM] -- then the website I found for that was like THAT'S XOR, AND STUFF DOESN'T APPLY THE SAME TO IT[2014-9-23. : 3:22 am] O)FaRTy1billion[MM] -- I remembered a bunch of the rules, it's just the first thing I tried gave me stuff(not-a and c or a and not-c) and was like 'wat'[2014-9-23. : 3:21 am] Jack -- Yeah just learn the boolean algebra rules if you need to simply boolean expressions[2014-9-23. : 3:21 am] O)FaRTy1billion[MM] -- I used to just use software to generate simplified logic .. I'd input the truth table, press a button, and it'd be like HERE'S THE LOGIC AND THE CIRCUIT~![2014-9-23. : 3:19 am] O)FaRTy1billion[MM] -- and the website I found talking about it was just like OH, BY THE WAY THIS IS XOR. IT DOESN'T FOLLOW ANY OF THE RULES WE'RE TALKING ABOUT, SO YOU'RE ON YOUR OWN. :-)[2014-9-23. : 3:18 am] O)FaRTy1billion[MM] -- http://i.snag.gy/ps0OO.jpg I don't know how to simplify this  [2014-9-23. : 3:18 am] Dem0n -- i just had a quiz today in which I had to simplify one of those expressions and i didn't know a single fucking thing[2014-9-23. : 3:18 am] Zoan -- That's confusing if they don't use anything to denote an and between them lol[2014-9-23. : 3:17 am] O)FaRTy1billion[MM] -- I don't think there is a simplified logic for what I am trying to do :\[2014-9-23. : 3:16 am] Zoan -- A xor B iff (A x ~B) + (~A x B) where ~A is not-A and ~B is not-B, I think[2014-9-23. : 3:12 am] Zoan -- FaRTy1billionFaRTy1billion shouted: because I have a thing that's (A'B + AB'), and I determined that simplifies to xor xD whats the ' mean?[2014-9-23. : 3:12 am] Zoan -- hey, can units with 0 hp be killed by attacks? Like if I set their hp to 0% with triggers?[2014-9-23. : 3:08 am] O)FaRTy1billion[MM] -- because I have a thing that's (A'B + AB'), and I determined that simplifies to xor xD[2014-9-23. : 3:07 am] O)FaRTy1billion[MM] -- In boolean algebra, if x is AND and + is OR, what is xor? |
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