Heel is a type of End. Heel is part of Shoe. Shoe is related to Rubber. 
Mathematics is related to Full. Full is related to Maximum. Maximum is the opposite of Minimum. 
End <--IsA-- Heel --PartOf--> Shoe <--RelatedTo--> Rubber 
Mathematics <--RelatedTo--> Full <--RelatedTo--> Maximum <--Antonym--> Minimum 