Nuprl Definition : null-class
Null ==  λes,e. {}
Definitions occuring in Statement : 
lambda: λx.A[x]
, 
empty-bag: {}
FDL editor aliases : 
null-class
Latex:
Null  ==    \mlambda{}es,e.  \{\}
Date html generated:
2015_07_21-PM-03_03_43
Last ObjectModification:
2012_04_12-PM-06_12_52
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