Nuprl Lemma : vr_EXTtoPEXT
vr_EXT 
vr_PEXT
Proof not projected
Definitions occuring in Statement :
vr_PEXT: vr_PEXT,
vr_EXT: vr_EXT,
implies: P Q
Definitions :
nat: 
,
lambda: 
x.A[x],
equal: s = t,
member: t 
T,
universe: Type,
prop: 
,
isect: 
x:A. B[x],
uall: 
[x:A]. B[x],
function: x:A 
B[x],
all: x:A. B[x],
iff: P 
Q,
vr_EXT: vr_EXT,
implies: P Q,
vr_PEXT: vr_PEXT,
and: P 
Q,
product: x:A 
B[x],
rev_implies: P Q,
vr_equi-pred: X ~~ Y,
apply: f a,
subtype_rel: A 
r B,
uiff: uiff(P;Q),
uimplies: b supposing a,
less_than: a < b,
not: 
A,
ge: i 
j ,
le: A 
B,
strong-subtype: strong-subtype(A;B),
set: {x:A| B[x]} ,
int: 
,
false: False,
fpf: a:A fp-> B[a],
eclass: EClass(A[eo; e]),
tactic: Error :tactic,
natural_number: $n,
CollapseTHEN: Error :CollapseTHEN,
Auto: Error :Auto,
sq_type: SQType(T),
limited-type: LimitedType,
subtype: S T,
rationals: 
,
real: 
,
void: Void,
p-outcome: Outcome
Lemmas :
le_wf,
false_wf,
not_wf,
subtype_base_sq,
member_wf,
nat_wf,
iff_wf,
vr_equi-pred_wf,
vr_EXT_wf
vr\_EXT {}\mRightarrow{} vr\_PEXT
Date html generated:
2012_02_20-PM-03_33_57
Last ObjectModification:
2012_02_02-PM-01_55_28
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