I have split the alphabet in two sets, as you may see in the picture below, according to a very specific rule. Which was the rule I used?
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2 Answers
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The top set of letters are:
Letters that have no curves but do have "branches" (ie cannot be drawn without lifting a pen off the paper or retracing parts of the letter)
The bottom set are those left over.
This does I think generate the correct sets (I'll be very embarrassed if I am wrong on that) but it feels a bit too complicated to be an elegant answer...
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$\begingroup$ I am now suitably embarrassed. ;-) $\endgroup$– ChrisCommented Dec 23, 2014 at 13:54
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1$\begingroup$ Maybe I should add "or is the letter Z" to my rule for the top set. ;-) $\endgroup$– ChrisCommented Dec 23, 2014 at 13:55
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1$\begingroup$ Z has moved from the top set to the bottom set now. My prescience was obviously working well. I think this is correct now but still inelegant. $\endgroup$– ChrisCommented Dec 23, 2014 at 14:26
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1$\begingroup$ The way I draw a Z it belongs in the top set because I cross my Zs. =) $\endgroup$– corsiKaCommented Dec 23, 2014 at 20:08
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AEFHKTXY
The first set of letters cannot be drawn without lifting the pen from the paper and not drawing over what's already written (over the same path like a car on its reverse gear).
BCDGIJLMNOPQRSUVWZ
The second set of letters can be drawn without taking the pen from paper and not moving the pen over what have already written (over the same path like a car on its reverse gear)
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ZandQdon't seem to fit by your criteria. $\endgroup$– DoorknobCommented Dec 23, 2014 at 14:17 -
2$\begingroup$ @mau - If Z is wrong, maybe Chris's now-deleted answer is actually correct? $\endgroup$ Commented Dec 23, 2014 at 14:21
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1$\begingroup$ Pesky Z! It foiled my attempt at answering too!! $\endgroup$– ChrisCommented Dec 23, 2014 at 14:21
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2$\begingroup$ @mau According to you, the font does matter. And in your font, Q is written with the little line thing appearing on both sides of the circle thing (wow, it sounds like I'm talking like a second grader now :P). So there's no way to draw the Q without picking up the pencil or going over a previously traced line. $\endgroup$– DoorknobCommented Dec 23, 2014 at 14:26
R. In the font you chose (like most “stodgy” fonts that I could find), it can't be drawn without lifting the pen. $\endgroup$