Nuprl Definition : free-dlwc-inc
free-dlwc-inc(eq;a.Cs[a];x) ==  if fset-null({c ∈ Cs[x] | deq-f-subset(eq) c {x}}) then {{x}} else {} fi 
Definitions occuring in Statement : 
deq-f-subset: deq-f-subset(eq)
, 
empty-fset: {}
, 
fset-null: fset-null(s)
, 
fset-filter: {x ∈ s | P[x]}
, 
fset-singleton: {x}
, 
ifthenelse: if b then t else f fi 
, 
apply: f a
Definitions occuring in definition : 
ifthenelse: if b then t else f fi 
, 
fset-null: fset-null(s)
, 
fset-filter: {x ∈ s | P[x]}
, 
apply: f a
, 
deq-f-subset: deq-f-subset(eq)
, 
fset-singleton: {x}
, 
empty-fset: {}
FDL editor aliases : 
free-dlwc-inc
Latex:
free-dlwc-inc(eq;a.Cs[a];x)  ==
    if  fset-null(\{c  \mmember{}  Cs[x]  |  deq-f-subset(eq)  c  \{x\}\})  then  \{\{x\}\}  else  \{\}  fi 
Date html generated:
2020_05_20-AM-08_48_38
Last ObjectModification:
2015_10_08-AM-10_46_36
Theory : lattices
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