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    Wittgenstein's rule-following considerations imply that t... — Carmelics
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    Supports→CET's extension of 'feasible' to all polynomial time functions can diverge from practical feasibility.

    Wittgenstein's rule-following considerations imply that the normative application of 'feasible' is anchored in forms of life, not abstract mathematical definitions divorced from actual computational practice.

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    Key Terms

    Feasible(as used in computational logic)
    Able to be done or carried out in practice, especially within a reasonable amount of time and resources.
    Wittgenstein
    Ludwig Wittgenstein was an Austrian-British philosopher who fundamentally changed how people think about language and meaning in the 20th century. He argued that many philosophical problems arise from misunderstanding how words actually work in everyday life, rather than from deep metaphysical mysteries. His ideas influenced not just philosophy but also mathematics, logic, and even how people approach psychology and artificial intelligence today.
    computational practice(the real-world activities that give meaning to 'feasible' in computing)
    The actual work of doing calculations or programming—how computer scientists and mathematicians really work in real situations, not just the theory.
    forms of life(Wittgenstein's Philosophical Investigations; used only five times in the work)
    The foundational, pre-theoretical conditions that enable language to function; interpretable as (1) constantly changing and contingent features dependent on culture, context, and history, (2) a shared background of human behavior that serves as a system of reference for interpreting unknown languages, or (3) a concept requiring different readings (relativistic or universalistic) in different cases

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    normative(in ethics and philosophy)
    Relating to how things should be or what people ought to do, rather than just describing how things actually are.
    rule-following considerations(in philosophy of language)
    Wittgenstein's famous puzzle about how we know what rule to follow next: if you learn a rule by seeing examples, how do you know you're applying it correctly to new cases you've never seen before?

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