because it is logical. Live long and prosper.

also, we can alias tail_nom -> tail

I believe you mean imply?

well, you mean imply :)
An alias is when X is replaced with Y. An implication is when Y is added when X is present :)

that said, I've added these!

*vulcan hand sign*

ah yes, implicate. my bad :P

jsut think of an alias as, like, a fake name. ;) two names, one person. where are implications are evidence that point towards the perpetrator. *sleuthing hat on* ;)