Nuprl Definition : l-union'
l-union'(eq; as; bs) ==  cbv_list_accum(L,x.if x ∈b L then L else [x / L] fi as;bs)
Definitions occuring in Statement : 
cbv_list_accum: cbv_list_accum(x,a.f[x; a];y;L)
, 
deq-member: x ∈b L
, 
cons: [a / b]
, 
ifthenelse: if b then t else f fi 
Definitions occuring in definition : 
cbv_list_accum: cbv_list_accum(x,a.f[x; a];y;L)
, 
ifthenelse: if b then t else f fi 
, 
deq-member: x ∈b L
, 
cons: [a / b]
Latex:
l-union'(eq;  as;  bs)  ==    cbv\_list\_accum(L,x.if  x  \mmember{}\msubb{}  L  then  L  else  [x  /  L]  fi  ;as;bs)
Date html generated:
2016_05_14-PM-03_24_28
Last ObjectModification:
2015_09_22-PM-05_59_40
Theory : decidable!equality
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