The stmt. is true.
##{x | x in NN, and, “x is odd”}={1,3,5,…}##.
Clearly, ##10!in {1,3,5,…}##.
Hence, the stmt. is true.
Is the statement true or false 10 ∉ {x|x ∈ ℕ and x is odd} ?
The stmt. is true.
##{x | x in NN, and, “x is odd”}={1,3,5,…}##.
Clearly, ##10!in {1,3,5,…}##.
Hence, the stmt. is true.
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