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Bell's Theorem depends on the assumption that hidden variables are not influenced by future measurement settings, and it is widely recognised that some of the puzzling features of quantum mechanics could be explained if this assumption were invalid. The suggestion has generally been regarded as outlandish, however, even by the taxed standards of the(More)
Probabilistic accounts of causality have long had trouble with 'spurious' evidential correlations. Such correlations are also central to the case for causal decision theory – the argument that evidential decision theory is inadequate to cope with certain sorts of decision problem. However, there are now several strong defences of the evidential theory. Here(More)
It is often argued that higher-level special-science properties cannot be causally efficacious since the lower-level physical properties on which they supervene are doing all the causal work. This claim is usually derived from an exclusion principle stating that if a higher-level property F supervenes on a physical property F* that is causally sufficient(More)
OBJECTIVE To establish a link between tryptophan (a precursor for 5-hydroxytryptamine (5-HT) or serotonin, involved in sleep and fatigue) and post-operative fatigue after major surgery. BACKGROUND There is a link between tryptophan (the precursor for the neurotransmitter 5-hydroxytryptamine), and its competitive binding with non-esterified fatty acids(More)
BACKGROUND Hepatitis B coinfection is common in HIV-positive individuals and as antiretroviral therapy has made death due to AIDS less common, hepatitis has become increasingly important. Several drugs are available to treat hepatitis B. The most potent and the one with the lowest risk of resistance appears to be tenofovir (TDF). However there are several(More)