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Difficulty: Expert Tuesday, October 6, 2015

Not Completed Play This Puzzle

CHAT LOG for Tuesday, October 6, 2015

12:38 am
WHB

Done, two guesses.
4:15 am
MrOoijer

g/g
5:30 am
kaosangel

Morning. Go.
5:45 am
kaosangel

Done. No Greens. EZPZ.
5:46 am
tincup

done
8:11 am
ypsigirl

done
8:23 am
JeffysMom

start
9:05 am
JeffysMom

done. 3 guesses
10:03 am
Phil

start
10:19 am
Phil

ding 3rd guess
10:46 am
helenkeller

go
11:16 am
lk911

3 restarts...good puzzle
12:04 pm
TallMike

Done, but raised big question in my mind: is demonstrating that using one of two choices leads to a contradiction essentially the same thing as guessing and finding out whether the guess was correct?
12:50 pm
jackt

If it doesn't then check your premises, there is a contradiction (you missed) which means there were three choices. Ayn Rand... not.
2:58 pm
UnikeTheHunter

Yes, TallMike, they should work out the same. But doing it all in your head is more challenging, not a source of shame.
3:20 pm
TallMike

I totally agree with Unike that doing it all in your head is more challenging. But what if the puzzle presents an either/or option with a second independent either/or option that must also be dealt with? Is there a limit to how far ahead you can see without actually determining the outcome of at least one, and maybe two or three, of the possible choices? Can guessing actually be a legitimate and necessary process of elimination, without which there is no logical path to a solution?
10:36 pm
helenkeller

go
11:11 pm
helenkeller

done