Nuprl Lemma : power-set_wf
∀[T:𝕌']. (P(T) ∈ 𝕌')
Proof
Definitions occuring in Statement : 
power-set: P(T)
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
universe: Type
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
power-set: P(T)
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
sqequalRule, 
productEquality, 
universeEquality, 
functionEquality, 
cumulativity, 
hypothesisEquality, 
sqequalHypSubstitution, 
hypothesis, 
axiomEquality, 
equalityTransitivity, 
equalitySymmetry
Latex:
\mforall{}[T:\mBbbU{}'].  (P(T)  \mmember{}  \mBbbU{}')
Date html generated:
2016_05_13-PM-03_51_34
Last ObjectModification:
2015_12_26-AM-10_17_19
Theory : bar-induction
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