数学公式的英语读法数学公式的英语读法

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1.Logic   
∃  there exist  
∀  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  
2.Sets   
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 diference between A and B  
A×B  A cross B / the cartesian product of A and B  
3. Real numbers   
x+1  x plus one  
x-1  x minus one  
x±1  x plus or minus one  
xy  xy / x multiplied by y  
  
(x - y)(x + y)  x minus y, x plus y  
  
x y  x over y  
=  the equals sign  
x = 5  x equals 5 / x is equal to 5  
x≠5  x (is) not equal to 5  
x≡y  x is equivalent to (or identical with) y  
x ≡ y  x is not equivalent to (or identical with) y  
x > y  x is greater than y  
x≥y  x is greater than or equal to y  
x < y  x is less than y  
x≤y  x is less than or equal to y  
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  
x 2  x squared / x (raised) to the power 2  
x 3  x cubed  
x 4  x to the fourth / x to the power four  
x n  x to the nth / x to the power n  
x &#8722;n  x to the (power) minus n  
x  (square) root x / the square root of x  
x 3  cube root (of) x  
x 4  fourth root (of) x  
x n  nth root (of) x  
( x+y ) 2  x plus y all squared  
( x y ) 2  x over y all squared  
n!  n factorial  
x ^  x hat  
x