Thread for basic questions
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Re: Thread for basic questions
Why are male pronouns used for patterns (Grandfather problem, unique father problem) despite the fact that female pronouns are normally used for biological cells (Budding yeast forms daughter cell, etc)?
(I am a biology teacher, and also I noticed the recent discussion over pronouns.)
(I am a biology teacher, and also I noticed the recent discussion over pronouns.)
Last edited by Haycat2009 on April 29th, 2024, 9:58 pm, edited 1 time in total.
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Re: Thread for basic questions
tradition or something idkHaycat2009 wrote: ↑April 29th, 2024, 9:38 pmWhy are male pronouns used for patterns (Grandfather problem, unique father problem) despite the fact that female pronouns are normally used for biological cells (Budding yeast forms daughter cell, etc)?
- Christopher D'Agostino
adopted father of the U-turner
the U-turner gallery
255P132
B3/S234z (Zlife)
adopted father of the U-turner
Code: Select all
x = 11, y = 15, rule = B3/S23
9bo$8bobo$8bobo$9bo8$b3o$b3o$obo$2o!
255P132
B3/S234z (Zlife)
Re: Thread for basic questions
Pretty much exactly that. Those were John Conway's terms, from around 1970 -- it somehow didn't seem quite as weird a choice back then.
But 1970 was somewhere around the time when people were only just starting to think that maybe using "he" as a "gender-neutral" indefinite pronoun to refer to all people ... didn't really make as much sense as the last few hundred years' worth of grammar-school teachers had been saying that it did.
Re: Thread for basic questions
what makes the recently-discovered L141 so interesting?
I honestly do not know
I honestly do not know
Last edited by C28 on May 1st, 2024, 8:20 am, edited 1 time in total.
- Christopher D'Agostino
adopted father of the U-turner
the U-turner gallery
255P132
B3/S234z (Zlife)
adopted father of the U-turner
Code: Select all
x = 11, y = 15, rule = B3/S23
9bo$8bobo$8bobo$9bo8$b3o$b3o$obo$2o!
255P132
B3/S234z (Zlife)
Re: Thread for basic questions
Details can be found here.
Long story short, there's a provably universal but very limited toolkit of Spartan Herschel conduits that can be used to build self-constructing patterns -- i.e. circuitry that slsparse can automatically compile into construction recipes.
Useful new additions to this slsparse-compatible toolkit only come along very rarely. The new L141 is simple and cheap to build, and produces extra output gliders in all directions, including one at its outside corner equivalent to the very useful L156 conduit's corner output -- but then it produces its Herschel output in an odd number of ticks, and the Herschel is on a different square color.
We haven't had an elementary conduit that did that until now. For an arbitrary large self-constructing construction -- the RCT's optimized ECC, let's say, or the supporting mechanisms for the unidimensional spaceship, or a new self-constructing computer with a 2D stable memory storage mechanism -- I suspect that having L141 in the toolkit will cut a noticeable number of percentage points off of the total construction cost.
Re: Thread for basic questions
oh so the L141 is interesting because it can do multiple things that previously could only be done individually by other conduits, got it.dvgrn wrote: ↑May 1st, 2024, 8:20 amDetails can be found here.
Long story short, there's a provably universal but very limited toolkit of Spartan Herschel conduits that can be used to build self-constructing patterns -- i.e. circuitry that slsparse can automatically compile into construction recipes.
Useful new additions to this slsparse-compatible toolkit only come along very rarely. The new L141 is simple and cheap to build, and produces extra output gliders in all directions, including one at its outside corner equivalent to the very useful L156 conduit's corner output -- but then it produces its Herschel output in an odd number of ticks, and the Herschel is on a different square color.
We haven't had an elementary conduit that did that until now. For an arbitrary large self-constructing construction -- the RCT's optimized ECC, let's say, or the supporting mechanisms for the unidimensional spaceship, or a new self-constructing computer with a 2D stable memory storage mechanism -- I suspect that having L141 in the toolkit will cut a noticeable number of percentage points off of the total construction cost.
is there anything stopping me from naming the L141 conduit "Lucy"?
- Christopher D'Agostino
adopted father of the U-turner
the U-turner gallery
255P132
B3/S234z (Zlife)
adopted father of the U-turner
Code: Select all
x = 11, y = 15, rule = B3/S23
9bo$8bobo$8bobo$9bo8$b3o$b3o$obo$2o!
255P132
B3/S234z (Zlife)
Re: Thread for basic questions
I can't think of anything offhand. L141 would be the only H-to-H conduit that has gotten a non-systematic name, though.
Speaking for myself... I'm probably not going to want to expend much effort trying to remember that L141 = Lucy. If other people talking about the new conduit end up saying "L141" half the time and "Lucy" the other half of the time, I'll probably find it slightly irritating, but bearable I suppose. If conduits in general really needed two separate equally short names, then every Tom, Dick, and Harry would already have named their conduits "Larry", "Moe", and "Curly". Discussions would get quite confusing, I would think.
... When someone says "L141" and references a large pattern, if you're not sure if you're looking in the right spot you can put in a Herschel and run the conduit for 141 ticks and confirm that the identification matches. When someone says "Lucy" and you're not sure what it means, the pattern won't help -- the only option is to go look it up.
Re: Thread for basic questions
"Just because you can, doesn't mean you should."
This also applies to naming. There seems to be a lot of "naming" going on which is little more that people trying to assert some sort of ownership of the configurations in question.
About a quarter century ago, out here i the real world, I submitted a list of long established names to the US Board of Geographic Names, mostly because they were geographic features important to me, and I wanted to make sure the names, in common usage, would be permanent. But also because it was a chance for me to make a small mark on the area. (Two got rejected early in the process because there existed other, competing names and people had their preferences. I didn't fight it because I figured 15 out 17 was a successful enough result. Turns out the two rejected naming attempts are still in use, even unofficially, because they were less cumbersome to use.)
Why does this particular Life configuration need this particular name, when as D.Greene points out, it has a perfectly useful designation? One that follows the precedents used for all other configurations of this type? What exactly is the advantage of "Lucy" over L141, and why is it singled out for a name?
If you are really interested in naming these configurations, then the best way is not to impose them, but is to use them. Write up reports where you define and use the names you want, to get others used to the idea that a certain name is associated with a certain configuration. Don't go around saying (demanding?) that people start referring to a configuration by a particular, arbitrary name.
(Next are people are going to start inventing pronouns that apply only to certain Life patterns and objects? )
This also applies to naming. There seems to be a lot of "naming" going on which is little more that people trying to assert some sort of ownership of the configurations in question.
About a quarter century ago, out here i the real world, I submitted a list of long established names to the US Board of Geographic Names, mostly because they were geographic features important to me, and I wanted to make sure the names, in common usage, would be permanent. But also because it was a chance for me to make a small mark on the area. (Two got rejected early in the process because there existed other, competing names and people had their preferences. I didn't fight it because I figured 15 out 17 was a successful enough result. Turns out the two rejected naming attempts are still in use, even unofficially, because they were less cumbersome to use.)
Why does this particular Life configuration need this particular name, when as D.Greene points out, it has a perfectly useful designation? One that follows the precedents used for all other configurations of this type? What exactly is the advantage of "Lucy" over L141, and why is it singled out for a name?
If you are really interested in naming these configurations, then the best way is not to impose them, but is to use them. Write up reports where you define and use the names you want, to get others used to the idea that a certain name is associated with a certain configuration. Don't go around saying (demanding?) that people start referring to a configuration by a particular, arbitrary name.
(Next are people are going to start inventing pronouns that apply only to certain Life patterns and objects? )
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Re: Thread for basic questions
In Lucy+Fx153, is the FNB a bait (in the old, stricter sense of the term) block?
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Re: Thread for basic questions
Details? The question is unnecessarily awkward and hard to understand. What "the FNB" refers to in this case? What you mean by "Lucy"? Why there is a doubt about whatever is asked here? What is the idea of the question (i.e. why would someone be curious about it)?Haycat2009 wrote: ↑May 2nd, 2024, 9:17 pmIn Lucy+Fx153, is the FNB a bait (in the old, stricter sense of the term) block?
127:1 B3/S234c User:Confocal/R (isotropic CA, incomplete)
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Re: Thread for basic questions
I don't think it would. the combo might be a block keeper if the SNG from Lucy/L141 can escape.Haycat2009 wrote: ↑May 2nd, 2024, 9:17 pmIn Lucy+Fx153, is the FNB a bait (in the old, stricter sense of the term) block?
edit: yep
Code: Select all
x = 74, y = 64, rule = LifeHistory
9.2A44.2A$9.2A44.2A2$2A.A42.2A.A$A.2A42.A.2A3$20.2A44.2A$20.A45.A$18.
A.A43.A.A$18.2A44.2A3$4.2A44.2A$3.A.A43.A.A$3.A45.A$.3A43.3A$A45.A$.3A
43.3A$4.A45.A$3.A.A43.A.A$4.A4.2C39.A4.2D$9.2C44.2D2$5.2A44.2A$5.2A44.
2A6$24.2A44.2A$2.A21.A.A21.A21.A.A$2.3A21.A21.3A21.A$5.A20.2A23.A20.2A
$4.2A44.2A2$26.2A44.2A$25.A.A43.A.A$26.A45.A3$24.2A44.2A$24.2A44.2A2$
3.A45.A$3.A.A43.A.A$3.3A43.3A$5.A45.A5$7.A45.A$6.A.A43.A.A$7.A45.A5$10.
2A44.2A$11.A45.A$8.3A43.3A$8.A45.A!
- Christopher D'Agostino
adopted father of the U-turner
the U-turner gallery
255P132
B3/S234z (Zlife)
adopted father of the U-turner
Code: Select all
x = 11, y = 15, rule = B3/S23
9bo$8bobo$8bobo$9bo8$b3o$b3o$obo$2o!
255P132
B3/S234z (Zlife)
Re: Thread for basic questions
I'll be a bit more explicit than previous posters. Please do not attempt to name new conduits. We have a tolerably effective systematic naming scheme for them. Even the most fundamental conduits (excluding glider reflectors) don't have names. It would be confusing and moderately annoying to have exceptions.
I think that's a bit of a stretch. I don't think there would be much opportunity to, nor any perceived purpose in creating novel articles, conjunctions, prepositions, or pronouns for Life. Excessive naming, if it's truly an issue, would almost certainly stop at nouns and maybe verbs and adjectives. Let's avoid distant hypotheticals, please.
-Matthias Merzenich
Re: Thread for basic questions
how do i post a pattern here?
Re: Thread for basic questions
Using either Golly or LifeViewer (LifeViewer is the in-browser simulator on this website), select all (or a region) and click copy (or control-C). On the forum post, click the "pattern" or </> tag (they're identical), and then paste it in. It should look like this:
Code: Select all
x = 4, y = 3, rule = B3/S23
o$2obo$2b2o!
User:HotdogPi/My discoveries
Periods discovered: 5-16,⑱,⑳G,㉑G,㉒㉔㉕,㉗-㉛,㉜SG,㉞㉟㊱㊳㊵㊷㊹㊺㊽㊿,54G,55G,56,57G,60,62-66,68,70,73,74S,75,76S,80,84,88,90,96
100,02S,06,08,10,12,14G,16,17G,20,26G,28,38,44,47,48,54,56,72,74,80,92,96S
217,486,576
S: SKOP
G: gun
Periods discovered: 5-16,⑱,⑳G,㉑G,㉒㉔㉕,㉗-㉛,㉜SG,㉞㉟㊱㊳㊵㊷㊹㊺㊽㊿,54G,55G,56,57G,60,62-66,68,70,73,74S,75,76S,80,84,88,90,96
100,02S,06,08,10,12,14G,16,17G,20,26G,28,38,44,47,48,54,56,72,74,80,92,96S
217,486,576
S: SKOP
G: gun
Re: Thread for basic questions
Code: Select all
x = 13, y = 20, rule = LifeHistory:K40*,20
3$4.4A$3.A3.A$7.A$6.A2$6.A$7.A$2.A4.A$3.5A4$2.6A$.A5.A$7.A$6.A!
Re: Thread for basic questions
Welcome to the forums!miha1 wrote: ↑May 4th, 2024, 7:32 amWhat is this? It seems interesting to me because its spark gets flipped.Code: Select all
x = 13, y = 20, rule = LifeHistory:K40*,20 3$4.4A$3.A3.A$7.A$6.A2$6.A$7.A$2.A4.A$3.5A4$2.6A$.A5.A$7.A$6.A!
I'm feeling sorry, but this is just an uninteresting standard spaceship flotilla. Any flotilla can been made using any xWSSes. If you get a trust flag on LifeWiki (see LifeWiki:Editor_pages. You will need to create a separate wiki account with either same or different username), please don't try to add this into LifeWiki, as LW:NB stated. Doing so in the mainspace and the page will get deleted by others.
EDIT: You don't need that pattern in a Klein bottle. Remove :K40*,20 does the same and faster. That spark flipping is actually an illusion. Nothing can travel faster than 1 cell per generation (a.k.a speed of light) in CAs using R1 Moore neighborhood.
My rules
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Re: Thread for basic questions
Are Elkie’s p5 and Drifty Eater 3 related? I notice the similarity.
~ Haycat Durnak, a hard-working editor
Also, support Conway and Friends story mode!
I mean no harm to those who have tested me. But do not take this for granted.
Also, support Conway and Friends story mode!
I mean no harm to those who have tested me. But do not take this for granted.
Re: Thread for basic questions
What similarity? Can you be more specific? I can see how they have a little bit of stator in common, but as far as I can tell the similarity ends there.Haycat2009 wrote: ↑May 6th, 2024, 11:13 pmAre Elkie’s p5 and Drifty Eater 3 related? I notice the similarity.
-Matthias Merzenich
Re: Thread for basic questions
Hello.
I read at wiki page Engineered diehard about patterns which have extremely large lifespan.
It looks like they use empty space outside of initial pattern for storing some sort of counter.
I wonder, is it possible to achieve similar results without using such extra space, by placing initial pattern inside of torus?
Did anyone tried it?
I read at wiki page Engineered diehard about patterns which have extremely large lifespan.
It looks like they use empty space outside of initial pattern for storing some sort of counter.
I wonder, is it possible to achieve similar results without using such extra space, by placing initial pattern inside of torus?
Did anyone tried it?
Re: Thread for basic questions
With a 100×100 torus, there are 10000 cells and therefore only 2^10000 possible states. The lifespan of any pattern before settling cannot be more than that.
User:HotdogPi/My discoveries
Periods discovered: 5-16,⑱,⑳G,㉑G,㉒㉔㉕,㉗-㉛,㉜SG,㉞㉟㊱㊳㊵㊷㊹㊺㊽㊿,54G,55G,56,57G,60,62-66,68,70,73,74S,75,76S,80,84,88,90,96
100,02S,06,08,10,12,14G,16,17G,20,26G,28,38,44,47,48,54,56,72,74,80,92,96S
217,486,576
S: SKOP
G: gun
Periods discovered: 5-16,⑱,⑳G,㉑G,㉒㉔㉕,㉗-㉛,㉜SG,㉞㉟㊱㊳㊵㊷㊹㊺㊽㊿,54G,55G,56,57G,60,62-66,68,70,73,74S,75,76S,80,84,88,90,96
100,02S,06,08,10,12,14G,16,17G,20,26G,28,38,44,47,48,54,56,72,74,80,92,96S
217,486,576
S: SKOP
G: gun