All else being equal means assuming nothing else changes. All else being equal, the cheaper one wins.
It is the standard way of isolating one factor, since in life nothing else ever is equal. The Latin form, ceteris paribus, means exactly the same and appears in economics.
1phraseall else being equalAssuming nothing else changes.
“All else being equal, a lighter car uses less fuel.”
all else being equal is a phrase.
Practised in Logic & Argument