A definable real number is a real number that can be uniquely specified by its description. The description may be expressed as a construction or as a formula ... Real algebraic numbers · Computable real numbers

4 авг. 2018 г. · A number is definable if there is a property expressed in that language that is satisfied for that number but by no other numbers. Is there an example for an undefinable number? L - and "definable" real numbers - Mathematics Stack Exchange Другие результаты с сайта math.stackexchange.com

29 окт. 2010 г. · All numbers are divided into two classes: those which can be unambiguously defined by a limited set of their properties (definable) and those ... Set of definable real numbers? - MathOverflow Non-normal numbers definable without parameters in the ... Proof/Reference to a claim about AC and definable real numbers Другие результаты с сайта mathoverflow.net

10 июл. 2017 г. · A real number is definable if it has a description that specifies it and no other number. Since there are uncountably many real numbers, but ...

In mathematical logic, a definable set is an n-ary relation on the domain of a structure whose elements satisfy some formula in the first-order language of ... Definition · Examples · The field of real numbers

22 июл. 2014 г. · Metamathematically, a real number x is "definable" if there exists a well formed formula F in the language of set theory with one free parameter ... Are undefinable numbers necessary? : r/math - Reddit Is almost every real number undefinable? : r/math - Reddit what is the intuition behind definable real numbers being ... How can there be uncountably many definable numbers? : r/math Другие результаты с сайта www.reddit.com

17 мар. 2020 г. · In this paper, I explore an intriguing view of definable numbers proposed by a Cambridge mathematician Ernest Hobson, and his solution to the paradoxes of ...

1 мар. 2010 г. · This paper defines the concept of number "approachable" by a TM and shows that some (if not all) known non-computable numbers are approachable ...

20 мар. 2020 г. · In this paper, I explore an intriguing view of definable numbers proposed by a Cambridge mathematician Ernest Hobson, and his solution to the ...

In this paper, I explore an intriguing view of definable numbers proposed by a Cambridge mathematician Ernest Hobson, and his solution to the paradoxes of ...