Zeus the nominative is ("Zeús"). It is inflected as follows: vocative: (""); accusative: (); genitive: (); dative: (). Diogenes Laertius quotes Pherecydes of Syros as spelling the name, . "Zeus" is the Greek continuation of *"," the name of the Proto-Indo-European god of the daytime sky, also called *' ("Sky Father"). The god is known under this name in the Rigveda (Vedic Sanskrit "Dyaus/Dyaus Pita"), Latin (compare "Jupiter", from "Iuppiter", deriving from the Proto-Indo-European vocative *'), deriving from the root *"dyeu"- ("to shine", and in its many derivatives, "sky, heaven, god"). Zeus is the only deity in the Olympic pantheon whose
Epistle to the Romans intended for publicity—they aim at interesting "the public." Joseph Fitzmyer argues, from evidence put forth by Stirewalt, that the style of Romans is an "essay-letter."</ref> Philip Melanchthon, a writer during the Reformation, suggested that Romans was "caput et summa universae doctrinae christianae" ("a summary of all Christian doctrine"). While some scholars suggest, like Melanchthon, that it is a type of theological treatise, this view largely ignores chapters 14 and 15 of Romans. There are also many "noteworthy elements" missing from Romans that are included in other areas of the Pauline corpus. The breakdown of Romans as a treatise began with