Some critics view evolutionary psychology as influenced by genetic determinism and reductionism. Both determinism and indeterminism are threats to such freedom. It also relies on continuity, determinism and causality in natural phenomena. Fatalism is a looser term than determinism. Predestination is often considered a form of hard theological determinism. This theory clearly contrasts with Freud's theory of biological determinism. Combinations and syntheses of determinist theses, such as bio-environmental determinism, are even more common. The notion of social determinism opposes this perspective. Despite this, predeterminism is often considered as independent of causal determinism. Lewontin and others argue that such biological determinism unjustly limits women. Webster believes that such speculations strengthen supporters of extreme genetic determinism. This seems to put Huxley as a compatibilist in the Free Will vs Determinism debate. This satire on Leibniz's philosophy of optimistic determinism remains Voltaire's best known-work. As such, Winner neither succumbs to technological determinism nor social determinism. Marx and Engels warned against such economic determinism.