Uzupełnij zapis:
X ∈ A * B <=> X ∈ A ... X ∈ B
X ∈ A U B <=>..............
X ∈ A - B <=>....................
X ∈ B - A <=>....................
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x ∈ A n B <=> x ∈ A ∧ x∈ B
x ∈ A u B <=> x ∈ A ∨ x ∈ B
x ∈ A\ B <=> x ∈ A ∧ x ∉ B
x ∈ B \ A <=> x∈ B ∧ x ∉ A
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Uwaga : ∧ -czytamy "i"; ∨ - czytamy " lub ".