Yes, indeed. And one (Robert included) must neither forget that there is a development while one gets smarter over time, nor that there is an environment.HermanHiddema wrote:Correctness is independent of ambiguity or precision.
The largest part of your school time you lived excellent with the fact that there were no square roots of negative numbers.
Was this state "incorrect" ?
Would it have helped you to know either that this restiction will fall in the future, or that this will happen in exactly five years, eleven months, and sixteen days ?
Certainly not !