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  2. Weak and strong sustainability - Wikipedia

    en.wikipedia.org/wiki/Weak_and_strong_sustainability

    While "Weak Sustainability" supporters mainly believe that these are substitutable, "Strong Sustainability" followers generally contest the possibility of inter-changeability. [13] Strong sustainability accepts there are certain functions that the environment performs that cannot be duplicated by humans or human made capital.

  3. Strong and weak typing - Wikipedia

    en.wikipedia.org/wiki/Strong_and_weak_typing

    This is sometimes described as "weak typing". For example, Aahz Maruch observes that "Coercion occurs when you have a statically typed language and you use the syntactic features of the language to force the usage of one type as if it were a different type (consider the common use of void* in C). Coercion is usually a symptom of weak typing.

  4. Law of large numbers - Wikipedia

    en.wikipedia.org/wiki/Law_of_large_numbers

    However the weak law is known to hold in certain conditions where the strong law does not hold and then the convergence is only weak (in probability). See differences between the weak law and the strong law. The strong law applies to independent identically distributed random variables having an expected value (like the weak law).

  5. Equivalence principle - Wikipedia

    en.wikipedia.org/wiki/Equivalence_principle

    The system provided them a chance to test the strong equivalence principle in a strong gravitational field with high accuracy. [55] [56] [57] If there is any departure from the strong equivalence principle, it is no more than two parts per million. [58] Most alternative theories of gravity predict a change in the gravity constant over time.

  6. Weak artificial intelligence - Wikipedia

    en.wikipedia.org/wiki/Weak_artificial_intelligence

    Weak artificial intelligence (weak AI) is artificial intelligence that implements a limited part of the mind, or, as Artificial Narrow Intelligence, [1] [2] [3] is focused on one narrow task. Weak AI is contrasted with strong AI , which can be interpreted in various ways:

  7. Weak topology - Wikipedia

    en.wikipedia.org/wiki/Weak_topology

    The weak topology on X induced by Y (and b) is the weakest topology on X, denoted by ๐œŽ(X, Y, b) or simply ๐œŽ(X, Y), making all maps b(•, y) : X → continuous, as y ranges over Y. [1] The weak topology on Y is now automatically defined as described in the article Dual system. However, for clarity, we now repeat it.

  8. Polyelectrolyte - Wikipedia

    en.wikipedia.org/wiki/Polyelectrolyte

    Similarly, polyelectrolytes can be divided into "weak" and "strong" types. A "strong" polyelectrolyte dissociates completely in solution for most reasonable pH values. A "weak" polyelectrolyte, by contrast, has a dissociation constant (pKa or pKb) in the range of ~2 to ~10, meaning that it will be partially dissociated at intermediate pH. Thus ...

  9. Fortis and lenis - Wikipedia

    en.wikipedia.org/wiki/Fortis_and_lenis

    The extensions to the International Phonetic Alphabet provide a diacritic for strong articulation (e.g. [tอˆ]) and weak articulation ([tอ‰]), but this does not cover all of the phonetic differences that have been categorized under fortis and lenis. Americanist phonetic notation uses fortis [tอˆ] and lenis [tแท‚].