Question

– Liste os elementos dos conjuntos abaixo:

a) A = {x ∈ ℕ | x < 8}

b) B = {y ∈ ℕ | 2 < y ≤ 5}

c) C = { ∈ * | - 3 < z < 4}

d) D = {m ∈ | m ≤ -2}

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Answer 1

$\boxed{\begin{array}{l}\tt a)~\sf A=\{1,2,3,4,5,6,7\}\\\tt b)~\sf B=\{3,4,5\}\\\tt c) ~\sf C=\{-2,-1,0,1,2,3\}\\\tt d)~\sf incompleta. \end{array}}$