In liberal theory, which liberalism is a piece of, the state exists outside of the private sphere. (politics.stackexchange.com)
In effect, liberal theory sought to educate people to think differently about themselves and their relationships. (firstthings.com)
His topic was typical for the kind of analytic liberal theory he practiced: how best to interpret, and implement, equality, particularly when faced with the demands of modern feminism. (firstthings.com)