In each of the following cases, fill `sub or sub` in the blank space to make a correct statement:
{x:x is a rectangle in the plane p}….{x:x is an integer}

Make correct statements by filling in the symbols sub or cancel sub in the blank spaces : {x : x is a triangle in a plane) . . . {x : x is a rectangle in the plane)

Make correct statements by filling in the symbols sub or cancel sub in the blank spaces : {x : x is a circle in the plane) . . .{x : x is a circle in the same plane with radius 1 unit)

Fill in the blanks to make the following a true statement : A uu A'=...

Fill in the blanks to make the following a true statement : A nn A'=...

Make correct statements by filling in the symbols sub or cancel sub in the blank spaces : {x : x is an equilateral triangle in a plane) ... {x : x is a triangle in the same plane)

Make correct statements by filling in the symbols sub or cancel sub in the blank spaces : {x : x is an even natural number) ... {x : x is an integer)

Fill the missing word in the blank spaces in the following statements :Wind is ________air.