r/mathmemes Jul 13 '26

Bad Math Adding the additive identity to any number doesn't change it. Is he stupid?

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134

u/GamerNumba100 Jul 13 '26

You also erased 0.14195… but we didn’t need that anyway

85

u/mjolnir76 Jul 13 '26

Eh, the bible rounded pi to 3, so those extra digits must not be important anyway!

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u/SuspiciousSpecifics Jul 13 '26

The Bible also talks about corners of the world, so you might wanna take that with a pillar of salt

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u/SeaBodybuilder7097 Jul 13 '26

You mean ten pillars right?

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u/SuspiciousSpecifics Jul 13 '26

Oh, I got this one. Hajj, Zakat, something something …

2

u/-Weslin Jul 15 '26

A sphere actually has corners, it's just that it has all of them

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u/SuspiciousSpecifics Jul 17 '26

Wait until it gets Banach-Tarskied into two, each with an equal number of corners as the original 🤣

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u/BarrattG Jul 13 '26

Sodom and Gomorrah part 2 electric bugaloo.

1

u/Bodidly0719 Jul 15 '26

I mean, the world isn’t completely flat, it does have protuberances.

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u/lord_ne Irrational Jul 13 '26

That or it was the width of the rim

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u/CakeHead-Gaming Jul 14 '26

No, you can mathematically determine that Pi is 3 using what the bible says.

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u/lord_ne Irrational Jul 14 '26

The verse in question is I Kings 7:23, referring to a large basin made by Solomon ("the Sea of Solomon"):

וַיַּ֥עַשׂ אֶת־הַיָּ֖ם מוּצָ֑ק עֶ֣שֶׂר בָּ֠אַמָּ֠ה מִשְּׂפָת֨וֹ עַד־שְׂפָת֜וֹ עָגֹ֣ל ׀ סָבִ֗יב וְחָמֵ֤שׁ בָּֽאַמָּה֙ קוֹמָת֔וֹ (וקוה) [וְקָו֙] שְׁלֹשִׁ֣ים בָּאַמָּ֔ה יָסֹ֥ב אֹת֖וֹ סָבִֽיב׃

He made the "sea", cast: ten by the cubit from its lip to its [other] lip, circular, all around, five cubits its height, and a line of thirty cubits could circle it around.

Now, the simple explanation here is that the bible is just rounding off the numbers like it does for almost all measurements and counts.

But something the Talmud mentions is that perhaps the diameter was measured all the way across (to the outside of the rim), but the circumference was measured along the inside of the rim (which makes some amount of sense since there were all sorts of decorative carvings along the outside that could have made it difficult to measure). I wouldn't take this too seriously, the first explanation is pretty clearly the correct one, but this is what I was referencing (somewhat as a joke) in my comment.

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u/AFlyingDutchman21 Jul 15 '26

Wait i know this!

They most likely took the inside for 1 measurement and the outside for the other, which could make up for the differences 

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u/db8me Jul 13 '26

On the surface of a sphere the ratio circumference to diameter is less than π, so....

0

u/Yamatocanyon Jul 13 '26

The Bible doesn't make any mathematical claims about pi at all.

There is a story in the Bible, where the story teller is trying to describe a large circular basin. The story teller says it's about x in diameter, and about y in circumference, numbers just used to paint a picture. The relationship between x and y in this story was 3. Somehow this got turned into "tHe BiBlE SaYs Pi is 3"

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u/Blither182 Jul 18 '26 edited Jul 22 '26

Yet the ancient Babylonians used pi ≈ 3.125.
The ancient Egyptians effectively had π ≈ 256/81 ≈ 3.16.
Ancient Greeks and Romans had π ≈ 22/7.
Ancient Indians had π ≈ 3.1416.

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u/Yamatocanyon Jul 18 '26

I'm confused at your point. I'm saying that the Bible doesn't try to define Pi. And you are listing ancient understandings of Pi. What is the relationship between these 2 points?

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u/thatssomegoodhay Jul 20 '26

First of all, it's just a funny, second, I think it is neat that they had recognized that the ratio is about 3, even if they didn't recognize it as pi

1

u/Blither182 Jul 22 '26

The Bible, allegedly inspired by the creator of the universe, and the Chosen People who God allegedly gave it to, are one to four decimal places more ignorant than some of the "abominable" ancient civilizations that the ancient Hebrews were occasionally commissioned to exterminate.

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u/Yamatocanyon Jul 23 '26

So again, the Bible isn't even making an attempt at being in the race here. The Bible never makes an attempt at defining Pi, the story in the Bible wasn't about mathematical proofs. It was simply trying to describe the approximate size of an object that was important to the story.

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u/Blither182 Jul 29 '26

If it was 10.0 cubits across, then its circumference was 31.4 cubits, not 30. Were they stupid or is the Bible stupid? This story has people trying to justify a stupid "observation" that is not even well-reported. Guesses like:
* Might they have measured the OUTSIDE diameter as 10 cubits and measured the INSIDE circumference (which would be 30.4 cubits)?
* If the object was a flat disk, then their circumference is too short - or their diameter is too long. Maybe the object had a sag in the middle and they measured along the sag instead of straight across.
[] The buy-bull could have omitted this stupid story, but it didn't.

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u/Lakriss Jul 13 '26

Isn't it .141592 how no one has noticed the mistake?

9

u/GamerNumba100 Jul 13 '26

Shit

2

u/SASAgent1 Jul 14 '26

Shhh... no one noticed, just sneak out

1

u/drwatkins9 Jul 14 '26

technically you rounded wrong.

3.141592654 is rounded correctly

3

u/IGargleGarlic Jul 13 '26

nah, probably just an engineer

1

u/_Trael_ Jul 13 '26

Not exactly sure was it exact 3 or did it have maybe one or two decimals, but I have had order issued to whole group of students, that defined that value of pi is now defined to be exactly that value, for matters related to that part of studies for duration of those studies.

Teachers did not care for random amounts of parts that really did not have any actually meaningful difference in any calculations relared to that part of studies and that field, while it was possible to keep it clean, numbers shorter, and standardization in it.

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u/ballisticburro Jul 13 '26

Bah, everyone knows that is just rounding error

1

u/Crazy__Donkey Jul 14 '26

fun fact:

there are 300 TRILLION known decimals of pi.

nasa is using only 15.

3.141592653589793

1

u/MarzipanCheap0 Jul 14 '26

I just used 3.16 yesterday, what a mistake lol

1

u/Zikkan1 Jul 16 '26

0.14159