I almost stop reading at the first paragraph: He makes a difference between "Equals" and "Equivalency" and then he gives overlapping definitions: Equal is defi

I almost stop reading at the first paragraph: He makes a difference between "Equals" and "Equivalency" and then he gives overlapping definitions: Equal is defined as, “being the same in ...value.” Whereas equivalent is defined as, “equal in value...” If you can't be precise in what you write yourself...