# [ExI] puzzle III

spike at rainier66.com spike at rainier66.com
Wed Mar 6 19:08:55 UTC 2019

```Ja, I could have explained that better.

Think of the condoms as having two surfaces and label them.  The first sailor wears condom AB inside and CD over that.

Once you figure out the harlot has to contact surface D with all three of her employers, it isn’t hard to work out the details where sailor 2 is the only one of the three to use only one condom, contacting surface C.  The third sailor contacts (clean) surface B, while contaminated surface A touches contaminated surface C, and surface D contacts the harlot for the third time.

BillW, regarding your nuclear post: nuke power gets more attractive all the time from an strictly environmental point of view.  It doesn’t generate greenhouse gas, there is plenty of fuel, it doesn’t require huge swaths of deforestation or interfere with desert creatures.  Over time, more and more conservationists are warming to the idea.  I am a conservationist myself: it is easy to see the endgame of fossil fuels.  It isn’t because of emitting too much carbon dioxide really.  It is because the global bad guys have too much of it, and over time, charge more and more for it.

spike

From: extropy-chat <extropy-chat-bounces at lists.extropy.org> On Behalf Of William Flynn Wallace
Sent: Wednesday, March 6, 2019 10:39 AM
To: ExI chat list <extropy-chat at lists.extropy.org>
Subject: Re: [ExI] puzzle III

I just am having a bad day and am not following the answers.

Sailor 1 uses two condoms.

Sailor 2 uses the condom on the outside as used by sailor 1.

Sailor 3 inverts the inner condom as used by Sailor 1 and puts the Sailor 2 condom over it.

The idea is that the prostitute cannot catch her own disease again.  Adrian, I will take your word for it.  Spike I am having trouble following your diagram, but if you think it compatible with the answer above, well and good.

You were going to reply to my nuclear power plant post- just reminding you.

bill w

On Wed, Mar 6, 2019 at 12:51 AM <spike at rainier66.com <mailto:spike at rainier66.com> > wrote:

-----Original Message-----
From: extropy-chat <extropy-chat-bounces at lists.extropy.org <mailto:extropy-chat-bounces at lists.extropy.org> > On Behalf Of Adrian Tymes
Subject: Re: [ExI] puzzle III

Wouldn't the first sailor have already dirtied the inner condom's inner layer by the time the second sailor uses it?  Which means either the prostitute or the second sailor might get what the first had...  Adrian

No.  Label the surfaces according to who it touches.

Surface A touches sailor 1
B touches C
D touches harlot.

OK he's done, removes harlot-side condom, sets aside, removes sailor-side condom, sets that aside.

Second sailor uses condom CD puts his stuff in contact with surface C.
C touches sailor 2
D touches harlot.

OK he's done.

Third sailor inverts condom AB

B touches sailor 3
A touches surface C
D touches harlot.

OK he's done, everybody goes home with no new diseases.

spike

On Tue, Mar 5, 2019 at 8:01 PM <spike at rainier66.com <mailto:spike at rainier66.com> > wrote:
>
> OK got it.
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> First sailor uses both condoms.  Sets outer condom aside.
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> Second sailor inverts inner condom and uses just the one.  Harlot gets two clean surfaces.
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> Third sailor (presumably the lowest ranking) takes first condom without inverting and uses just the one, touching a surface which the harlot has previously contacted with the first sailor.
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> Nobody catches anything new.  Or rather not that particular day.
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> spike
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> From: extropy-chat <extropy-chat-bounces at lists.extropy.org <mailto:extropy-chat-bounces at lists.extropy.org> > On Behalf
> Sent: Tuesday, March 5, 2019 6:45 PM
> To: ExI chat list <extropy-chat at lists.extropy.org <mailto:extropy-chat at lists.extropy.org> >
> Subject: Re: [ExI] puzzle III
>
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> My second and third solutions still work with that clarification.
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> On Tue, Mar 5, 2019, 4:23 PM William Flynn Wallace <foozler83 at gmail.com <mailto:foozler83 at gmail.com>  wrote:
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> OK you cheaters, as inventive as you are (and I am impressed), revise the puzzle to require:  female prostitute; sailors all male; all three sailors have sex with the woman.  Four different STDs.  Hint available...
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> bill w
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> On Tue, Mar 5, 2019 at 4:41 PM <spike at rainier66.com <mailto:spike at rainier66.com> > wrote:
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> On Tue, Mar 5, 2019, 1:22 PM William Flynn Wallace <foozler83 at gmail.com <mailto:foozler83 at gmail.com>  wrote:
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> OK, I struck out with that puzzle.  Here's one I ran across a long time ago, so you might have heard it.  If not, let me know.
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> Three sailors and one prostitute and two condoms.  All have different STDs.
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> bill w
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> One of the sailors is also the prostitute (side business.)  They first guy uses the first condom to do the second guy, pays him or her, third guy uses second condom to do the second guy, pays him or her, all three report for duty aboard ship the next day.
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> Alternate solution:  all three sailors are female and whore is male.  So the first sailor puts a condom on him, does him, pays him, second sailor puts second condom over first, does him, pays him, third sailor reverses outer condom which would have exposed her to the first sailor’s disease but she gets away uninfected because the whore can’t get it going a third time, so she doesn’t pay him and saves money at the same time.  The puzzle doesn’t actually require that all three sailors get laid.  Three is a tall order ja?  Even for a professional.
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> spike
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> From: extropy-chat <extropy-chat-bounces at lists.extropy.org <mailto:extropy-chat-bounces at lists.extropy.org> > On Behalf
> Sent: Tuesday, March 5, 2019 1:34 PM
> To: ExI chat list <extropy-chat at lists.extropy.org <mailto:extropy-chat at lists.extropy.org> >
> Subject: Re: [ExI] puzzle III
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> Three possibly-cheating solutions:
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> 1) They never met.  All 6 got their STDs from different sources.
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> 2) Not all STDs transmit at 100%.  It is possible for two people with STDs to have sex and not give each other what they got.
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> 3) "All" does not include the condoms.  Sailors 1 & 2 had STDs, used condoms, and did not transmit.  The prostitute and sailor 3 were disease-free when they had sex sans condom.  Sailor 3 then used a dirty needle or otherwise got a STD from a non-sexual source.  The prostitute's "D" is pregnancy, specifically sailor 3's child.
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