March 23, 2020
9:23 p.m.
On 23/03/20 11:10 pm, M.-A. Lemburg wrote:
The Python way is the mathematically correct way of interpreting the terms "subset" and "superset".
Generally in maths it's usually more convenient if the simplest terminology includes edge cases. For example, the definition of a powerset would be more wordy if the term "subset" didn't include equality. -- Greg