>>12120071>>12120022nvm the "for all" symbol, also let me use a different example to make it more clear, instead it should have been something like
the left side means that 'x' belongs to the real numbers set, the right side means that 'x' meets some conditions, it's not all 'x' that we want but only the 'x' that is greater than -2 and less than 1, so 'x' can be any number in the real number line (see pic related) in between -2 and 1,
