2+2 = 4
Here is how we know that 2 + 2 = 4. We define 2 as 1 + 1. We define 3 as 2 + 1 We define 4 as 3 + 1 Thus 4 = 3 + 1 = (2+1) + 1 = 2 + (1+1) = 2 + 2 Conclusion: 4 is 2 + 2. Sign in to see full entry.
Mathematics: 2+2 = 4
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