3 ms·
It may help, if you're familiar with set notation, to remember that x ∈ A ∩ B iff x ∈ A ∧ x ∈ B - the symbols mirror each other.
by Tainnor 2y ago
It may help, if you're familiar with set notation, to remember that x ∈ A ∩ B iff x ∈ A ∧ x ∈ B - the symbols mirror each other.