Suppose we have two sets, and every pairing of elements from one set with elements from the other set results in having elements from the second set never paired. Do these pairings imply that the two sets do not have the same cardinality

No

Explanation: cardinality of a set is independent of the nature of the elements in that set.

- world peace, cause that's important

- iron man to still be alive, cause i cried my eyes out

- for those in starving places like africa to get the support that they need for food and water, cause they r humans and need those basic things go be alive.

well since twins have about the same dna they dont have one think in common which is the figer print. nobodys fingerprint is the same. if your using twin you would most likely get around the same results for both of them because of the genetics.. i hope this