Assertion: sequence's number | /r/HasProperty | positive
Facets:
Source sentences:
text: The following code demonstrates Seq.distinctBy by starting with a sequence that contains negative and positive numbers and using the absolute value function as the key-generating function.
text: The following code demonstrates Seq.distinctBy by starting with a sequence that contains negative and positive numbers and using the absolute value function as the key-generating function.
text: The natural numbers (positive integers) n ∈ ℕ .
text: When these numbers are positive integer numbers like 0, 1, 2, 3 etc they are called natural numbers, when they are negative integer numbers like -1, -2,
text: = a(n - 1) - n if that number is positive and not already in the sequence, otherwise a(n) =