- Look up
undecidable or
undecidability in Wiktionary, the free dictionary.
Undecidable may
refer to:
Undecidable problem in
computer science and mathematical...
- In com****bility
theory and com****tional
complexity theory, an
undecidable problem is a
decision problem for
which it is
proved to be
impossible to construct...
- In com****bility theory, an
undecidable problem is a
decision problem for
which an
effective method (algorithm) to
derive the
correct answer does not...
-
arbitrary formulas are
included in the theory. Many
important problems are
undecidable, that is, it has been
proven that no
effective method for determining...
- word
undecidable, the term
independent is
sometimes used
instead of
undecidable for the "neither
provable nor re****able" sense.
Undecidability of a statement...
-
axiomatized fragment of PA that is
recursively incompletable and
essentially undecidable. The
background logic of Q is first-order
logic with identity, denoted...
- "erase" (cf.
footnote 12 in Post (1947), The
Undecidable, p. 300). The
abbreviations are Turing's (The
Undecidable, p. 119).
Subsequent to Turing's original...
- Sätze der
Principia Mathematica und
verwandter Systeme I" ("On
Formally Undecidable Propositions of
Principia Mathematica and
Related Systems I") is a paper...
- In mathematics, a
conjecture is a
conclusion or a
proposition that is
proffered on a
tentative basis without proof. Some conjectures, such as the Riemann...
- in NP. However, the
opposite direction is not true: some
problems are
undecidable, and
therefore even more
difficult to
solve than all
problems in NP,...