If it is true that...

The proletarian movement is a self-conscious, independent movement in the interest of the majority

and

The struggle of the proletariat with the bourgeoisie is initially a national struggle

Then it must be true that...

Every form of society has been based on antagonism between oppressing and oppressed classes

If it is true that...

The lower middle class fights against the bourgeoisie to save their existence as fractions of the middle class

and

The proletarian movement is a self-conscious, independent movement in the interest of the majority

and

The struggle of the proletariat with the bourgeoisie is initially a national struggle

Then it must be true that...

Every form of society has been based on antagonism between oppressing and oppressed classes

If it is true that...

The struggle of the proletariat with the bourgeoisie is initially a national struggle

Then it must be true that...

Every form of society has been based on antagonism between oppressing and oppressed classes

If it is true that...

Every form of society has been based on antagonism between oppressing and oppressed classes

Then it must be true that...

The bourgeoisie is unfit to be the ruling class as it cannot assure an existence to its slave within his slavery

If it is true that...

Every form of society has been based on antagonism between oppressing and oppressed classes

Then it must be true that...

The bourgeoisie produces its own grave-diggers through advancement of industry