this post was submitted on 24 Jun 2025
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Math Memes

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What is 2? (lemmy.blahaj.zone)
submitted 5 days ago* (last edited 5 days ago) by [email protected] to c/[email protected]
 

Context:

In ZFC set theory (which most of modern maths is built upon). The natural numbers are defined as recursions of empty sets.

Ie. 0 = ∅ (the empty set)

1 = {∅} = {0}

2 = {∅, {∅}} etc…

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[–] [email protected] 10 points 5 days ago

If it was exactly 2 people would think you were falsifying results.