“Are you trying to say it is ok to eat a mule?”
No but it is ok to eat a Kvi which some say is a cross between a goat and gazelle.
This halacha is codified in Rambam MAchalos issuros 1:13
“?????????? ?????? ?????????? ???????? ??? ?????? ???????? ???? ?????????? ??????. ???????? ?????? ?????? ??????? ?????? ??????????? ??? ??????. ?????? ???? ????? ?????????? ??????? ?????? ??????:”
“This does not make sense.”
I dont make the rules