Fortified wine because he was inspired by a German wine flavoured with wormwood, an herb most famously used in distilling absinthe. However, wine flavoured with wormwood goes back to ancient Rome. The modern German word "Wermut" ("Wermuth" in the spelling of Carpano's time) means both "wormwood" and "vermouth". The herbs were originally used to mask raw flavours of cheaper wines, imparting a slightly medicinal "tonic" flavor. Vins doux naturels are lightly fortified wines typically made from white Muscat grapes or red Grenache grapes in the south of France. The production of vins doux naturels was perfected by Arnaud de Villeneuve at the
Additive function vice versa. Example of arithmetic functions which are completely additive are: Example of arithmetic functions which are additive but not completely additive are: From any additive function "f"("n") it is easy to create a related multiplicative function "g"("n") i.e. with the property that whenever "a" and "b" are coprime we have: One such example is "g"("n") = 2. Additive function In number theory, an additive function is an arithmetic function "f"("n") of the positive integer "n" such that whenever "a" and "b" are coprime, the function of the product is the sum of the functions: An additive function "f"("n") is