Một số ví dụ, trích dẫn:
∃: there exists
∀: for all
p ⇒ q: p implies q / if p, then q
p ⇔ q: p if and only if q /p is equivalent to q / p and q are equivalent
0 < x < 1: zero is less than x is less than 1
0 ≤ x ≤ 1: zero is less than or equal to x is less than or equal to 1
|x|: mod x / modulus x
x²: x squared / x (raised) to the power 2
x³: x cubed
x⁴: x to the fourth / x to the power four
√x: x (square) root x / the square root of x
x ∈ A: x belongs to A / x is an element (or a member) of A
x ∉ A: x does not belong to A / x is not an element (or a member) of A
A ⊂ B: A is contained in B / A is a subset of B
A ⊃ B: A contains B / B is a subset of A
A ∩ B: A cap B / A meet B / A intersection B
A ∪ B: A cup B / A join B / A union B
A \ B: A minus B / the difference between A and B
A × B: A cross B / the cartesian product of A and B
Đầy đủ kí hiệu trong các ảnh dưới đây
Theo Valiaho . Người đăng: Mr. Math.