/sci/ - Science & Math

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Anonymous Sat Jul 28 21:11:29 2018 No.9900677 [View]
File: 5 KB, 249x250, 1532133554050.jpg [View same] [iqdb] [saucenao] [google]

Many properties of the natural numbers can be derived from the five Peano axioms:

1. 0 is a natural number.
2. Every natural number has a successor.
3. 0 is not the successor of any natural number.
4. If the successor of x equals the successor of y, then x equals y.
5. If a statement is true of 0, and if the truth of that statement for a number implies its truth for the successor of that number, then the statement is true for every natural number.

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/sci/ - Science & Math

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