Operationalizing FDT — LessWrong
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This post is an attempt to better operationalize FDT (functional decision theory). It answers the following questions: …
x Operationalizing FDT — LessWrong Causality Decision theory Functional Decision Theory World Modeling AI Frontpage 90 Operationalizing FDT by Vivek Hebbar 13th Mar 2026 AI Alignment Forum 7 min read 11 90 Ω 34 This post is an attempt to better operationalize FDT (functional decision theory). It answers the following questions: given a logical causal graph, how do we define the logical do-operator? what is logical causality and how might it be formalized? how does FDT interact with anthropic updating? why do we need logical causality? why FDT and not EDT? Defining the logical do-operator Consi
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