change category 1565 (1) -> meta
create implication 1565 (1) -> 16th_century (42)
change category 1687 (1) -> meta
create implication 1687 (1) -> 17th_century (55)
change category 1767 (1) -> meta
create implication 1767 (1) -> 18th_century (67)
change category slovene_text (5) -> meta
create implication slovene_text (5) -> text (1325487)
change category chinook_text (1) -> meta
create implication chinook_text (1) -> text (1325487)