Nuprl Definition : es-interface-pair
(X,Y) ==  eclass-compose2(λxs,ys. if (#(xs) =z 1) ∧b (#(ys) =z 1) then {<only(xs), only(ys)>} else {} fi X;Y)
Definitions occuring in Statement : 
eclass-compose2: eclass-compose2(f;X;Y)
, 
band: p ∧b q
, 
ifthenelse: if b then t else f fi 
, 
eq_int: (i =z j)
, 
lambda: λx.A[x]
, 
pair: <a, b>
, 
natural_number: $n
, 
bag-only: only(bs)
, 
bag-size: #(bs)
, 
single-bag: {x}
, 
empty-bag: {}
FDL editor aliases : 
es-interface-pair
Latex:
(X,Y)  ==
    eclass-compose2(\mlambda{}xs,ys.  if  (\#(xs)  =\msubz{}  1)  \mwedge{}\msubb{}  (\#(ys)  =\msubz{}  1)  then  \{<only(xs),  only(ys)>\}  else  \{\}  fi  ;X;\000CY)
Date html generated:
2015_07_21-PM-03_44_35
Last ObjectModification:
2012_02_25-PM-02_44_55
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