Some articles on partial recursive function, recursive function, recursive, recursive functions, functions:
Counter Machine Models - The Models in More Detail - 1961: Minsky's Model of A Partial Recursive Function Reduced To A "program" of Only Two Instructions
... led Minsky to the following definition of "an interesting basis for recursive function theory involving programs of only the simplest arithmetic operations" (Minsky (1961) p ... His "Theorem Ia" asserts that any partial recursive function is represented by "a program operating on two integers S1 and S2 using instructions Ij of the forms (cf ... theorem is the context of a second "Theorem IIa" that "...represents any partial recursive function by a program operating on one integer S using instructions Ij ...
... led Minsky to the following definition of "an interesting basis for recursive function theory involving programs of only the simplest arithmetic operations" (Minsky (1961) p ... His "Theorem Ia" asserts that any partial recursive function is represented by "a program operating on two integers S1 and S2 using instructions Ij of the forms (cf ... theorem is the context of a second "Theorem IIa" that "...represents any partial recursive function by a program operating on one integer S using instructions Ij ...
Recursively Enumerable Set - Equivalent Formulations
... That is, S is the domain (co-range) of a partial recursive function ... There is a partial recursive function f such that Enumerability The set S is the range of a partial recursive function ... The set S is the range of a total recursive function or empty ...
... That is, S is the domain (co-range) of a partial recursive function ... There is a partial recursive function f such that Enumerability The set S is the range of a partial recursive function ... The set S is the range of a total recursive function or empty ...
Adequate Pointclass
... field of descriptive set theory, a pointclass can be called adequate if it contains all recursive pointsets and is closed under recursive substitution, bounded universal and existential quantification and ...
... field of descriptive set theory, a pointclass can be called adequate if it contains all recursive pointsets and is closed under recursive substitution, bounded universal and existential quantification and ...
Tennenbaum's Theorem - Recursive Structures For PA
... A structure in the language of PA is recursive if there are recursive functions + and × from to, a recursive two-place relation < on, and distinguished constants such that where ... the isomorphism must be a bijection, every recursive model is countable ...
... A structure in the language of PA is recursive if there are recursive functions + and × from to, a recursive two-place relation < on, and distinguished constants such that where ... the isomorphism must be a bijection, every recursive model is countable ...
Counter Machine - Two-counter Machines Are Turing Equivalent (with A Caveat) - The Caveat: *If* Its Counters Are Initialised To N and 0, Then A 2CM Cannot Calculate 2N
... This result, together with a list of other functions of N that are not calculable by a two-counter machine — when initialised with N in one counter and 0 in the other — such as N2, sqrt(N), log2(N), etc. 2, also cf Minsky 1967170-174) "Theorem A 3CM can compute any partial recursive function of one variable ... Corollary A 2CM can compute any partial recursive function of one argument, provided the input is coded as 2N and the output (if the machine halts) is coded as ...
... This result, together with a list of other functions of N that are not calculable by a two-counter machine — when initialised with N in one counter and 0 in the other — such as N2, sqrt(N), log2(N), etc. 2, also cf Minsky 1967170-174) "Theorem A 3CM can compute any partial recursive function of one variable ... Corollary A 2CM can compute any partial recursive function of one argument, provided the input is coded as 2N and the output (if the machine halts) is coded as ...
Famous quotes containing the words function and/or partial:
“Think of the tools in a tool-box: there is a hammer, pliers, a saw, a screwdriver, a rule, a glue-pot, nails and screws.The function of words are as diverse as the functions of these objects.”
—Ludwig Wittgenstein (18891951)
“Both the man of science and the man of art live always at the edge of mystery, surrounded by it. Both, as a measure of their creation, have always had to do with the harmonization of what is new with what is familiar, with the balance between novelty and synthesis, with the struggle to make partial order in total chaos.... This cannot be an easy life.”
—J. Robert Oppenheimer (19041967)
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