Nuprl Lemma : vr_PEXT_implies_PROOF_IRREL
vr_PEXT 
 vr_PROOF_IRREL
Proof not projected
Definitions occuring in Statement : 
vr_PROOF_IRREL: vr_PROOF_IRREL, 
vr_PEXT: vr_PEXT, 
implies: P 
 Q
Definitions : 
ifthenelse: if b then t else f fi , 
btrue: tt, 
equal: s = t, 
product: x:A 
 B[x], 
and: P 
 Q, 
iff: P 

 Q, 
implies: P 
 Q, 
universe: Type, 
vr_PEXT: vr_PEXT, 
function: x:A 
 B[x], 
member: t 
 T, 
all:
x:A. B[x], 
vr_PROOF_IRREL: vr_PROOF_IRREL, 
prop:
, 
rev_implies: P 
 Q, 
bool:
, 
squash:
T, 
true: True, 
uall:
[x:A]. B[x], 
isect:
x:A. B[x], 
bfalse: ff
Lemmas : 
bool_wf, 
true_wf, 
squash_wf, 
ifthenelse_wf, 
rev_implies_wf, 
iff_wf, 
vr_PEXT_implies_t_eq_f, 
vr_PEXT_wf
vr\_PEXT  {}\mRightarrow{}  vr\_PROOF\_IRREL
Date html generated:
2012_02_20-PM-03_34_50
Last ObjectModification:
2012_02_02-PM-01_55_39
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