alleryIn Peano arithmetic, every natural number has which property?
AA successor
BA square root
CA reciprocal
DA negative
Answer & Solution
Correct answer: A. A successor
1. Peano arithmetic uses the properties of ordinal numbers.
2. Each natural number has a successor, the next number.
3. Natural numbers have no reciprocal or negative inside the set.
_Source: Wikipedia, Natural number, Formal construction_
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