premise: In most cases , they dealt with words and functional elements , creating what are called reconstructions in hypothetical family prototypes called , variously , Proto-Latin , Proto-Greek , Proto-Germanic , Proto-Indo-Iranian , and so forth , the ultimate goal being to posit a single language called Proto-Indo-European and true is true and true is true and true is true and true is true and true is true .
hypothesis: Proto-Germanic was posited as a hypothetical language family prototype .