4 ms·

The truth based on criteria for truth. Irrefutable truths exist, like 1 + 1 = 2.

• Clotho 14y ago
  Except when 1 + 1 = 10
  • michael_fine 14y ago
    Yes, but the first one is still universal, just it's assumed that we are talking about base 10.
    • dgunn 14y ago
      In base 10, 1+1 is still equal to 10 for very large values of 1.