If it is true that...

The real point aimed at is to do away with the status of women as mere instruments of production

and

Bourgeois marriage is a system of wives in common

Then it must be true that...

The abolition of the present system of production must bring with it the abolition of the community of women springing from that system

If it is true that...

Bourgeois marriage is a system of wives in common

Then it must be true that...

The abolition of the present system of production must bring with it the abolition of the community of women springing from that system