Nuprl Lemma : has-value_wf_base
∀[a:Base]. ((a)↓ ∈ ℙ)
Proof
Definitions occuring in Statement : 
has-value: (a)↓
, 
uall: ∀[x:A]. B[x]
, 
prop: ℙ
, 
member: t ∈ T
, 
base: Base
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
has-value: (a)↓
, 
prop: ℙ
Lemmas referenced : 
base_sq, 
base_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
sqequalRule, 
sqleIntensionalEquality, 
lemma_by_obid, 
hypothesis, 
sqequalHypSubstitution, 
axiomEquality, 
equalityTransitivity, 
equalitySymmetry
Latex:
\mforall{}[a:Base].  ((a)\mdownarrow{}  \mmember{}  \mBbbP{})
Date html generated:
2016_05_13-PM-03_21_52
Last ObjectModification:
2015_12_26-AM-09_31_55
Theory : call!by!value_1
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