Real Numbers

Number Sets

Each number set contains the number set before it:

Failed to parse (unknown function "\subsetZ"): {\displaystyle N\subsetZ\subsetD\subsetQ\subsetR}

• N: Natural Numbers - ie all whole numbers - 0,1,2... onwards
• Z: Integers - ie all N plus negative integers - -2,-1,0,1,2...
• D: Decimals - ie all Z plus fractions that
• Q: Rationals - ie
• R: Reals - ie all Q plus the irrationals, which are decimals that neither terminate nor recurr