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How can anyone really be sure that 2plus 2 really equals four. How can we really be sure that when we add 3+5 that it is really 7 and not a number that we do not know about

 Apr 16, 2015

Best Answer 

 #1
avatar+130516 
+5

Here's a "formal" proof that shows that 1 + 1 = 2

http://tachyos.org/godel/1+1=2.html

 

{After seeing this, I think I'll just accept the proposition that 2 + 2 = 4   and that 3 + 5  really do sum to 8  !! }

 

  

 Apr 16, 2015
 #1
avatar+130516 
+5
Best Answer

Here's a "formal" proof that shows that 1 + 1 = 2

http://tachyos.org/godel/1+1=2.html

 

{After seeing this, I think I'll just accept the proposition that 2 + 2 = 4   and that 3 + 5  really do sum to 8  !! }

 

  

CPhill Apr 16, 2015

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