**Natural numbers**refer to members of the set of positive integers or set of non-negative integers.

In Law of Natural Numbers, let x, y and z be any number, hence,

**Law 1 - closure for addition:**

x + y

**Law 2 - commutative law for addition:**

x + y = y + x

**Law 3 - associative law for addition:**

(x + y) + z = x + (y + z) = x + y + z

**Law 4 - closure for multiplication:**

x * y

**Law 5 - commutative law for multiplication:**

x * y = y * x

**Law 6 - associative law for multiplication:**

x(y*z) = (x*y)z

**Law 7 - distributive property of addition and multiplication:**

x(y +z) = x*y + x*z

Nice explanation and here is the exact definition of natural numbers Natural numbers is the set of non-negative integers and this includes zero as a natural number.

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