2+2=4

Yes, correct. In standard decimal arithmetic, 2 + 2 = 4.

If you want, I can:

• Give you a few quick practice problems
• Show a short proof or explanation using Peano axioms
• Explain related properties (commutativity, associativity, identity element)
• Show how this works in another base (e.g., binary: 10 + 10 = 100)