Range.all
allcondition 
Group: Logical
Documentation
Checks whether a condition is satisfied for all numbers in this range.
Arguments
- condition: A- Filter_Conditionor a predicate function to test each element.
Examples
Checking that all numbers in the range are greater than 5.
      10.up_to 100 . all (..Greater than=5)
Checking that all numbers in the range are even.
      10.up_to 100 . with_step 2 . all (x-> x%2 == 0)