Question

1+1=2 prove it in geometry​

Answer 1

Answer:

The theorem here is essentially that if α and β are disjoint sets with exactly one element each, then their union has exactly two elements. ... Peano shows that it's not hard to produce a useful set of axioms that can prove 1+1=2 much more easily than Whitehead and Russell do.

Step-by-step explanation:

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