What is a Natural Number? (Set Theory)

The set theoretical definition of a Natural Number, the third basic concept needed for Peano Arithmetic.
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Information for this video gathered from The Stanford Encyclopedia of Philosophy, The Internet Encyclopedia of Philosophy, The Cambridge Dictionary of Philosophy, The Oxford Dictionary of Philosophy, The Oxford Companion to Philosophy, The Routledge Encyclopedia of Philosophy, The Collier-MacMillan Encyclopedia of Philosophy, the Dictionary of Continental Philosophy, and more!

[@sachamm]

The capital letters with the double stroke (or the "hollow bar" as Carneades calls it) is a font called Blackboard Bold, meant to be hand-written and viewable on a blackboard.

[@Eta_Carinae__]

In LaTeX, the command to get Blackboard font in math mode is \mathbb{N}

[@user-ed7pu5uj3q]

Wow!! Is this the first of a totally new series!?

[@Grateful92]

Nice 👍