Garber is a contemporary philosopher working in formal epistemology and the philosophy of probability. Their work engages with principles governing rational belief distribution under uncertainty, particularly examining the comparative merits and scope of entropy-based and classical probabilistic principles.
Argued for the principle of maximum entropy as a more cautious and broadly applicable successor to the Principle of Indifference
Contributed to debates on rational prior probability assignment under uncertainty
Engaged with the foundations of Bayesian and objective probability theory