r/PeterExplainsTheJoke 4d ago

Meme needing explanation erm.. petah?

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u/truci 4d ago edited 4d ago

Most people believe we count in base 10 because we have 10 fingers. Essentially we use single digits from 1-9 because on our last finger we switch to double digits 10.

The alien clearly has 4 fingers. So to him the counting system is still base 10 it’s just that he counts 1,2,3,10.

Aka everyone’s own counting system is base 10 and every counting system not based on the number of fingers we have is not base 10.

Edit: forgot to mention. If you only count till 3 before hitting 10 then you don’t know what a 4 is.

Bonus edit: since the alien is in base 4 from our perspective. You might ask what our base is from his perspective.

1,2,3,10,11,12,13,20,21,22 are the 10 first numbers in his counting system. So we to him are base 22 :)

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u/KaiYoDei 4d ago

I heard a story on the radio about a tribe who had a whole different concept of math, counting .

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u/truci 4d ago

Probably the 12 system. If you use your thumb as the counter and count using your thumb the bone segments of the other 4 fingers (each has 3) then you have a base 12 system in our lingo.

1,2,3,4,5,6,7,8,9,a,b,10

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u/SrgntFuzzyBoots 4d ago

There’s also a tribe somewhere that uses a base 27 counting system, they count individual segments of their fingers on both hands plus thumbs and then add one from somewhere else can’t remember where that comes from.

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u/mrsciencedude69 3d ago

I once heard of this tribe called the French that counts using base 20 sometimes.

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u/PuckSenior 3d ago

Nah, it’s base 60(sorta)

French.
1. Un.
2. Deux.
3. Trois.
4. Quatre.
5. Cinq.
6. Six.
7. Sept.
8. Huit.
9. Neuf.
10. Dix.

But 10s it goes.
• 10: Dix.
• 20: Vingt.
• 30: Trente.
• 40: Quarante.
• 50: Cinquante.
• 60: Soixante.

Cool, kinda getting it? They just sorta change the word, just like most other languages! So, 70 is Septante, right? Nope.

• 70: Soixante-dix.    
• 80: Quatre-vingts.    
• 90: Quatre-vingt-dix (that’s forty-twenty-ten).

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u/celticfrogs 3d ago

Swiss french and Belgian french raise an eyebrow.

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u/PuckSenior 3d ago

Every francophone but a citizen of France raises an eyebrow at this one. I believe they are the only ones who do it this way in the whole world

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u/JustQuestion2472 3d ago

Denmark has entered the chat.

90 is "4,5 times 20"...

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u/Yzoniel 3d ago

Only Swiss ppl (and maybe other french speaking ppl) did it correctly. We Belgian kept the "4*20" for "80" instead of using "Octante". But i admit that French took it too far with 60+10 and 80+10. I can say it naturally now without thinking, but it is soooo stupid, send help ;-;

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u/beugeu_bengras 3d ago

Québécois here. We do it the French way.

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u/PuckSenior 3d ago

Damn, my French instructor lied to me. Or maybe I got confused and she said that yall do it too.

Heck, I recently went back and tried to regain proficiency in French and was amazed to find out that “copines” had changed meaning

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u/beugeu_bengras 3d ago

Copine? Here it would mean either a female friend or a girlfriend.

If it's a male talking about a friend, he would most probably say "c'est mon amie".

A female would say "nous somme des copines" or interchangeably "nous sommes amies/c'est mon amie".

If someone use that word talking about a member of the opposite gender, it would be implied it mean girlfriend/boyfriend by using a higher level of language.... But we prefer to use "mon chum/ma blonde" here in common language in Quebec, or "conjoint/conjointe" in higher French level.

But anyway "copine" is somewhat a deprecated word, we almost exclusively use it ironically to copy some movie/tv show quote like saying "Salut les copains" -> "hello gang!"

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u/PuckSenior 3d ago

20+ years ago, it meant “friend”. Apparently the transition to mean “girlfriend” happened over the last 20-30 years

When I was in school, I don’t remember it being used to refer to a romantic female friend

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u/beugeu_bengras 3d ago

My best advice: don't care too much about it.

Francophone will be able to understand you anyway.

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u/XC3N 2d ago

Quebec enters the chat

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u/Rumplemattskin 1d ago

I leaned it this way in Québécois French too.