Text: The local Theban god Amon became intertwined with Ra creating the deity Amon Ra and around 1800 b.c. , the female Osiris cult developed into a main deity.
Entailment: The female Osiris cult developed into a main deity around 1800 b.c. , as the local Theban god Amon became interwined with Ra, creating the deity Amon Ra.
Contradiction: Amon Ra was created around 2000 b.c.