Mathematics
Mathematics, 12.03.2020 14:30, chiffrardemsley

Considere as seguintes afirmações sobre o conjunto U = {0,1,2,3,4,5,6,7,8,9}:
I) ∅ ∈ U e n(U) = 10.
II) ∅ ⊂ U e n(U) = 10.
III) 5 ∈ U e {5} ⊂ U.
IV) {0,1,2,5} ∩ {5} = 5.
Pode-se dizer, então, que é(são) verdadeira(s):
a) apenas I e III.
b) apenas II e IV.
c) apenas II e III.
d) apenas IV.
e) todas as afirmações.

answer
Answers: 1

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Considere as seguintes afirmações sobre o conjunto U = {0,1,2,3,4,5,6,7,8,9}:
I) ∅ ∈ U e n(U)...

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