一些数学符号的英文读法

数学公式的英文读法&数学英文词汇 1、Logic  there exist  for all pq p implies q / if p , then q pq p if and only if q / p is equivalent to q / p and q are equivalent 2、Sets xA x belongs to A / x is an element (or a member) of A xA x does not belong to A / x is not an element (or a member) of A AB A is contained in B / A is a subset of B AB A contains B / B is a subset of A AB A cap B / A meet B / A intersection B AB A cup B / A join B / A union B \AB A minus B / the diference between A and B AB A cross B / the cartesian product of A and B 3、Real numbers 1x  x plus one 1x  x minus one 1x  x plus or minus one xy xy / x multiplied by y ()()xyxy x minus y , x plus y xy x over y / x is divided by y  the equals sign 5x  x equals 5 / x is equal to 5 5x  x (is) not equal to 5 xy x is equivalent to (or identical with) y x  y x is not equivalent to (or identical with) y xy x is greater than y xy x is greater than or equal to y xy x is less than y xy x is less than or equal to y 01x zero is less than x is less than 1 01x zero is less than or equal to x is less than or equal to 1 x mod x / modulus x 2x x squared / x (raised) to the power 2 3x x cubed 4x x to the fourth / x to the power four nx x to the nth / x to the power n nx x to the (power) minus n x (square) root x / the square root of x 3 x cube root (of) x 4 x fourth root (of) x n x nth root (of) x 2()xy x plus y all squared 2xy x over y all squared !n n factorial ˆx x hat x x bar x x tilde ix x i / x subscript i / x suffix i / x sub i 1niia th...