Look up the definition of a word before you write ridiculous claims to the contrary.

When people talk about equality in the context of men and women, they're not using the term in a mathematically evaluative sense. They're using this one:

Equality: Equality is the state of being equal, especially in status, rights and opportunities. Equality means each individual or group of people is given the same resources and opportunities, regardless of their circumstances.

They're talking about political, social, and financial equality. They're talking about equal franchisement under the law within society. Not body fat or muscle density.