At any rate, despite the fact that both 'Dainichi-kyo Sutra' and 'Kongocho-kyo Sutra' share Dainichi Nyorai as their common principal Buddha, these two are scriptures of different lineage which were established independently in different regions of India at different times and were introduced into China separately.
いずれにしても、「大日経」と「金剛頂経」は同じ大日如来を主尊としながらも系統の違う経典であり、違う時期にインドの別々の地方で別個に成立し、中国へも別々に伝わった。