Nuprl Lemma : vr_equi-pred_wf
[T:Type]. [X,Y:T 
]. (X ~~ Y 
')
Proof not projected
Definitions occuring in Statement :
vr_equi-pred: X ~~ Y,
uall: [x:A]. B[x],
prop: ,
member: t T,
function: x:A B[x],
universe: Type
Definitions :
CollapseTHENA: Error :CollapseTHENA,
CollapseTHEN: Error :CollapseTHEN,
Unfold: Error :Unfold,
Auto: Error :Auto,
uall: [x:A]. B[x],
isect: 
x:A. B[x],
member: t T,
axiom: Ax,
equal: s = t,
universe: Type,
function: x:A B[x],
vr_equi-pred: X ~~ Y,
prop: ,
all: x:A. B[x],
iff: P 
Q,
apply: f a,
and: P 
Q,
product: x:A 
B[x],
implies: P Q,
rev_implies: P Q
Lemmas :
iff_wf
\mforall{}[T:Type]. \mforall{}[X,Y:T {}\mrightarrow{} \mBbbP{}]. (X \msim{}\msim{} Y \mmember{} \mBbbU{}')
Date html generated:
2012_02_20-PM-03_33_38
Last ObjectModification:
2012_02_02-PM-01_55_24
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