Add all the natural numbers below 1000 that are multiples of 3 or 5.
ℕ = { 1, 2, 3, … }
A = { x ∈ ℕ : x < 1000 }
B = { y ∈ A : 3 | y ⋃ 5 | y }
∑ B
Last active
December 17, 2015 02:48
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