Nuprl Lemma : cubical-term_wf-universe
∀X:j⊢. ({X ⊢ _:c𝕌} ∈ 𝕌{[i' | j']})
Proof
Definitions occuring in Statement : 
cubical-universe: c𝕌
, 
cubical-term: {X ⊢ _:A}
, 
cubical_set: CubicalSet
, 
all: ∀x:A. B[x]
, 
member: t ∈ T
, 
universe: Type
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
Lemmas referenced : 
cubical-term_wf, 
cubical-universe_wf, 
cubical_set_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation_alt, 
cut, 
thin, 
instantiate, 
introduction, 
extract_by_obid, 
hypothesis, 
sqequalHypSubstitution, 
isectElimination, 
hypothesisEquality, 
universeIsType
Latex:
\mforall{}X:j\mvdash{}.  (\{X  \mvdash{}  \_:c\mBbbU{}\}  \mmember{}  \mBbbU{}\{[i'  |  j']\})
Date html generated:
2020_05_20-PM-07_07_00
Last ObjectModification:
2020_04_25-PM-01_06_43
Theory : cubical!type!theory
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