Search results

  1. A

    Difference between 'if' and 'only if'

    "A number is odd if it ends in a 3" is true. "A number is odd if and only if it ends in a 3" is false. Alternatively, "A number has a real square root if it is bigger or equal to 0" is true. "A number has a real square root if, and only if it is bigger or equal to 0" is also true. With "if"...
Top