Nuprl Lemma : cube_set_map_wf
∀[A,B:j⊢].  (A j⟶ B ∈ 𝕌{j''})
Proof
Definitions occuring in Statement : 
cube_set_map: A ⟶ B
, 
cubical_set: CubicalSet
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
universe: Type
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
cubical_set: CubicalSet
, 
cube_set_map: A ⟶ B
Lemmas referenced : 
psc_map_wf, 
cube-cat_wf, 
cubical_set_wf
Rules used in proof : 
cut, 
instantiate, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isectElimination, 
thin, 
hypothesis, 
isect_memberFormation_alt, 
hypothesisEquality, 
sqequalRule, 
equalityTransitivity, 
equalitySymmetry, 
because_Cache, 
universeIsType
Latex:
\mforall{}[A,B:j\mvdash{}].    (A  j{}\mrightarrow{}  B  \mmember{}  \mBbbU{}\{j''\})
Date html generated:
2020_05_20-PM-01_40_43
Last ObjectModification:
2020_04_06-PM-00_43_03
Theory : cubical!type!theory
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