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Explore a philosophical framework for evaluating and comparing different worldviews in this 17-minute conference talk delivered during the centenary celebrations for Leo Apostel at the Free University of Brussels. Learn about nine comprehensive criteria organized into three categories: objective criteria including consistency, scientificity, and scope; subjective criteria encompassing personal utility and emotionality; and intersubjective criteria covering collective utility and narrativity. Discover assessment tests derived from these criteria, including first-order tests (is-ought, ought-act, is-act), second-order tests (critical and dialectical), third-order tests (mixed-questions and first-second-order), and relational tests (we-I, we-it, it-I). Examine how these criteria and tests apply to major philosophical movements, tensions between different worldviews, and the ongoing dialogue between science and religion, building upon Leo Apostel's foundational worldview program that serves as an agenda for contemporary philosophy.
