Nuprl Definition : has-no-path

has-no-path(A) ==  ∀f:ℕ ⟶ 𝔹. ∃n:ℕ(A map(f;upto(n))))



Definitions occuring in Statement :  upto: upto(n) map: map(f;as) nat: bool: 𝔹 all: x:A. B[x] exists: x:A. B[x] not: ¬A apply: a function: x:A ⟶ B[x]
Definitions occuring in definition :  all: x:A. B[x] function: x:A ⟶ B[x] bool: 𝔹 exists: x:A. B[x] nat: not: ¬A apply: a map: map(f;as) upto: upto(n)
FDL editor aliases :  has-no-path

Latex:
has-no-path(A)  ==    \mforall{}f:\mBbbN{}  {}\mrightarrow{}  \mBbbB{}.  \mexists{}n:\mBbbN{}.  (\mneg{}(A  map(f;upto(n))))



Date html generated: 2016_05_14-PM-04_12_29
Last ObjectModification: 2015_09_22-PM-06_02_22

Theory : fan-theorem


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