alleryTwo finite collections have the same size if their objects can do what?
ABe weighed equally
BBe paired one to one
CBe coloured the same
DBe sorted by name
Answer & Solution
Correct answer: B. Be paired one to one
1. Same cardinality means a one-to-one correspondence.
2. The objects can be arranged in pairs, each object in exactly one pair.
3. Weight, colour and name play no part.
_Source: Wikipedia, Natural number, Size of a collection_
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