 The core claim of value-neutrality is impartiality. Only facts can supply the warrant for other facts. Autonomy, in turn, is defended as a means to ensure impartiality. Social movements are thought to threaten impartiality because their influence on science is thought to consist in pressuring scientists to ignore the facts and validate their worldviews. Defenders of value-neutral science object to the idea of feminist science because they view it as threatening autonomy, and thereby impartiality.