Nuprl Lemma : representable-cube-set_wf
representable-cube-set() ∈ 𝕌{3}
Proof
Definitions occuring in Statement : 
representable-cube-set: representable-cube-set()
, 
member: t ∈ T
, 
universe: Type
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
representable-cube-set: representable-cube-set()
, 
representable-psc: representable-psc(C)
, 
cubical_set: CubicalSet
, 
cube-cat: CubeCat
, 
all: ∀x:A. B[x]
, 
top: Top
, 
formal-cube: formal-cube(I)
, 
Yoneda: Yoneda(I)
Lemmas referenced : 
representable-psc_wf, 
cube-cat_wf, 
cat_ob_pair_lemma, 
cat_arrow_triple_lemma, 
cat_comp_tuple_lemma
Rules used in proof : 
cut, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isectElimination, 
thin, 
instantiate, 
hypothesis, 
sqequalRule, 
dependent_functionElimination, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
equalityTransitivity, 
equalitySymmetry
Latex:
representable-cube-set()  \mmember{}  \mBbbU{}\{3\}
Date html generated:
2018_05_23-AM-08_34_21
Last ObjectModification:
2018_05_20-PM-05_47_36
Theory : cubical!type!theory
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