FDT defects in almost-twin prisoner's dilemma, sparking decision theory debate
Trotztd · x · 2026-11-07
Trotztd shows that FDT, the graph-based decision theory algorithm, defects in the almost-twin prisoner's dilemma (argument via a ChatGPT link). A follow-up suggests inserting an auxiliary variable upstream to intervene on, though that reduces the algorithm to policy selection.