Nuprl Definition : oob-getleft?
oob-getleft?(x) ==  if oob-hasleft(x) then {oob-getleft(x)} else {} fi 
Definitions occuring in Statement : 
oob-getleft: oob-getleft(x)
, 
oob-hasleft: oob-hasleft(x)
, 
single-bag: {x}
, 
empty-bag: {}
, 
ifthenelse: if b then t else f fi 
Definitions occuring in definition : 
ifthenelse: if b then t else f fi 
, 
oob-hasleft: oob-hasleft(x)
, 
single-bag: {x}
, 
oob-getleft: oob-getleft(x)
, 
empty-bag: {}
FDL editor aliases : 
oob-getleft?
Latex:
oob-getleft?(x)  ==    if  oob-hasleft(x)  then  \{oob-getleft(x)\}  else  \{\}  fi 
Date html generated:
2016_05_15-PM-07_32_53
Last ObjectModification:
2015_09_23-AM-08_16_21
Theory : general
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