id author title date pages extension mime words sentences flesch summary cache txt work_un7lvrgrg5fafftifavkmr6w7i Mathias Frisch Counterfactuals and the Past Hypothesis 2005 12 .pdf application/pdf 5224 276 60 Albert (2000) suggests that all three asymmetries share the same microstatistical foundations, which involve crucially what he calls the past hypothesis—the assumption that the universe began its life in a state of a probability postulate, according to which all micro-states compatible both with the universe's macro-state at time t, M(t), and PH mechanical account that possible evolutions of the universe form a treestructure and that small differences in the micro-conditions at t that do past macro-state has a probability close to 1, given the present macrostate, where the probabilities are those induced by the statistical mechanical probability distribution. case of decision counterfactuals, M(t0) is the macro-state at the time of past (unlike the future) is fixed by the present macro-state does not imply the past hypothesis constrains possible initial macro-states of the universe, that the proposal can at most account for a time asymmetry of counterfactuals positing micro-changes in chaotic systems. ./cache/work_un7lvrgrg5fafftifavkmr6w7i.pdf ./txt/work_un7lvrgrg5fafftifavkmr6w7i.txt