Nuprl Lemma : WFO_wf
WFO{i:l}() ∈ 𝕌'
Proof
Definitions occuring in Statement : 
WFO: WFO{i:l}()
, 
member: t ∈ T
, 
universe: Type
Definitions unfolded in proof : 
WFO: WFO{i:l}()
, 
member: t ∈ T
, 
prop: ℙ
, 
uall: ∀[x:A]. B[x]
Lemmas referenced : 
DCC_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalRule, 
sqequalReflexivity, 
sqequalTransitivity, 
computationStep, 
productEquality, 
universeEquality, 
functionEquality, 
cumulativity, 
hypothesisEquality, 
cut, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
hypothesis
Latex:
WFO\{i:l\}()  \mmember{}  \mBbbU{}'
Date html generated:
2016_05_15-PM-04_13_25
Last ObjectModification:
2015_12_27-PM-02_59_44
Theory : general
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