Two direct proofs that LLPO implies the detachable fan theorem

被引:0
|
作者
Bridges, D. S. [1 ]
Dent, J. E. [1 ]
McKubre-Jordens, M. N. [1 ]
机构
[1] Univ Canterbury, Dept Math & Stat, Christchurch 8140, New Zealand
关键词
Bishop; LLPO; fan theorem; LEMMA;
D O I
10.1093/jigpal/jzt003
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
It is shown, directly and in two ways, that Brouwer's fan theorem for detachable bars can be proved within Bishop-style constructive mathematics supplemented by (countably many applications of) the omniscience principle LLPO.
引用
下载
收藏
页码:830 / 835
页数:6
相关论文
共 30 条
  • [1] The Fan minimax inequality implies the Nash equilibrium theorem
    Park, Sehie
    APPLIED MATHEMATICS LETTERS, 2011, 24 (12) : 2206 - 2210
  • [2] Two proofs of Graves's theorem
    Poorrezaei, K
    AMERICAN MATHEMATICAL MONTHLY, 2003, 110 (09): : 826 - 830
  • [3] Two proofs of Fine's theorem
    Halliwell, J. J.
    PHYSICS LETTERS A, 2014, 378 (40) : 2945 - 2950
  • [4] Two simplified proofs for Roberts’ theorem
    Ron Lavi
    Ahuva Mu’alem
    Noam Nisan
    Social Choice and Welfare, 2009, 32
  • [5] Two simplified proofs for Roberts' theorem
    Lavi, Ron
    Mu'alem, Ahuva
    Nisan, Noam
    SOCIAL CHOICE AND WELFARE, 2009, 32 (03) : 407 - 423
  • [6] DIRECT PROOFS OF THE FUNDAMENTAL THEOREM OF CALCULUS FOR THE OMEGA INTEGRAL
    Dawson, C. Bryan
    Dawson, Matthew
    MISSOURI JOURNAL OF MATHEMATICAL SCIENCES, 2019, 31 (01) : 46 - 55
  • [7] Two new proofs of Afriat’s theorem
    A. Fostel
    H. E. Scarf
    M. J. Todd
    Economic Theory, 2004, 24 : 211 - 219
  • [8] Two "generic" proofs of the spectral mapping theorem
    Ekedahl, T
    Laksov, D
    AMERICAN MATHEMATICAL MONTHLY, 2004, 111 (07): : 572 - 585
  • [9] Two proofs of a Pythagorean-like theorem
    Hoehn, Larry
    MATHEMATICAL GAZETTE, 2006, 90 (519): : 490 - 492
  • [10] Two new proofs of Afriat's theorem
    Fostel, A
    Scarf, HE
    Todd, MJ
    ECONOMIC THEORY, 2004, 24 (01) : 211 - 219