In the older times, men didn’t really need women, and they though they where a nothing.
also this mean that:
The power of men over women is
while women over men
0/men = 0
At the present time, men need women, and can’t live without them.
So we have:
<>Men=women(Thats how they cna become equal)
If in the future, women no longer need men, than it will (unfortunately for me) be: