Core is related to Middle. Middle is a different concept from Left. Left is a type of Turn. Version is a type of Turn. 
Philosophy is a synonym of Doctrine. Doctrine is related to Law. Law is related to Legislature. 
Core <--RelatedTo--> Middle <--DistinctFrom--> Left --IsA--> Turn <--IsA-- Version 
Philosophy <--Synonym--> Doctrine <--RelatedTo--> Law <--RelatedTo--> Legislature 