3 ms·
I think in the last example, you need "the set of all integers, except 0, and all their reciprocals", otherwise the answer is well-defined.
by richardwhiuk 5y ago
I think in the last example, you need "the set of all integers, except 0, and all their reciprocals", otherwise the answer is well-defined.
- eeegnu 5y agoOne of the many reasons for defining the natural numbers to begin at 1. I didn't even notice they said integers and thought they said naturals.