theory@@1	theory	hypothesis	29
theory@@1	theory	concept	21
theory@@1	theory	idea	14
theory@@1	theory	principle	13
theory@@1	theory	thesis	12
theory@@1	theory	theoretical construct	11
theory@@1	theory	belief	10
theory@@1	theory	conjecture	8
theory@@1	theory	idealogy	6
theory@@1	theory	philosophy	6