1+1 = ?

[A23]

Jokes:

 

1+1=3 (3 symbols left 1,1,+ but righths. only 1 ?,

 

this is why most of the time 3 comes out : 5+3=8+6=3 aso always 3 symbols.

 

(3,4,5...family creation)

 

1+1=1 (may the best win)

 

1+1=0 (at war there is no winner)

 

serious:

1+1=2

 

binary : [math]1_2+1_2=10_2[/math]

 

number field with finite characteristics 2, named [math]\mathbb{F}_2,1+1\equiv 0 (\textrm{mod } 2)[/math]