数学公式翻译

?

?

p

?

q

p

?

q

x∈A

there exist

for all

p implies q / if p, then q

p if and only if q /p is equivalent to q / p and q are

equivalent

x belongs to A / x is an element (or a member) of A

x

?

A

A

?

B

A

?

B

A∩B

A∪B

AB

A×B

3. Real

numbers

x+1

x-1

x±1

xy

(x - y)(x + y)

x y

=

x = 5

x

≠5

x≡y

x ≡ y

x > y

x?y

x < y

x?y

0 < x < 1

0?x?1

x

does

not

belong

to

A

/

x

is

not

an

element

(or

a

member)

of A

A is contained in B / A is a subset of B

A contains B / B is a subset of A

A cap B / A meet B / A intersection B

A cup B / A join B / A union B

A minus B / the diference between A and B

A cross B / the cartesian product of A and B

x plus one

x minus one

x plus or minus one

xy / x multiplied by y

x minus y, x plus y

x over y

the equals sign

x equals 5 / x is equal to 5

x (is) not equal to 5

x is equivalent to (or identical with) y

x is not equivalent to (or identical with) y

x is greater than y

x is greater than or equal to y

x is less than y

x is less than or equal to y

zero is less than x is less than 1

zero is less than or equal to x is less than or equal to

1