Mary's hair made up is greater than the sum of the parts needed to make up her hair, therefore her well made up hair is the strong argumentum a fortiori.
2.
Therefore a good example of Argumentum a fortiori is the statement, " Mary's hair is rather well made up today " which is the a fortiori argument, and the supporting extrapolated meaning derived from the strong argument are, " she used gel, a brush, two combs, a straightener, a pair of scissors and a blow drier ".