Nuprl Definition : singleton-type
singleton-type(A) == ∃a:A. ∀a':A. (a' = a ∈ A)
Definitions occuring in Statement :
all: ∀x:A. B[x],
exists: ∃x:A. B[x],
equal: s = t ∈ T
Definitions occuring in definition :
exists: ∃x:A. B[x],
all: ∀x:A. B[x],
equal: s = t ∈ T
FDL editor aliases :
singleton-type
Latex:
singleton-type(A) == \mexists{}a:A. \mforall{}a':A. (a' = a)
Date html generated:
2016_05_14-PM-04_02_01
Last ObjectModification:
2015_09_22-PM-06_02_03
Theory : equipollence!!cardinality!
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