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6
neumann
8y

ranters! who knows what this is ?
0 = Ø
1 = { 0 } = {Ø}
2 = { 0, 1 } = { Ø, {Ø} }
3 = { 0, 1, 2 } = { Ø, {Ø} , {Ø, {Ø}} }
4 = { 0, 1, 2, 3 } = { Ø, {Ø}, {Ø, {Ø}}, {Ø, {Ø}, {Ø, {Ø}}} }

undefined
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Comments
  • 2
    8y
    Reminds me of a compound array but less useful
  • 1
    8y
    Looks like nested sets with null elements.
  • 1
    8y
    Sets which eventually all contain an empty set?
  • 0
    8y
    its from number theory the construction if integer numbers

    0 = empty set
    1 = set which contains the empty set
    etc...
  • 0
    8y
    helps us define the numbers. anchor them in physical reality thats how i see it
  • 1
    8y
    @neumann that makes sense, pretty neat 🙂
  • 1
    8y
    Reminds me of Church numerals in functional programming
  • 1
    8y
    Ordinal Numbers!
  • 1
    8y
    a way in functional programming to represent numbers in a language that doesn't define them yet
  • 2
    8y
    Check out elementary set theory.
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