Nuprl Lemma : cubical-unit_wf
∀[X:j⊢]. X ⊢ 1
Proof
Definitions occuring in Statement : 
cubical-unit: 1
, 
cubical-type: {X ⊢ _}
, 
cubical_set: CubicalSet
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
cubical_set: CubicalSet
, 
cubical-unit: 1
, 
presheaf-unit: 1
, 
discrete-cubical-type: discr(T)
, 
discrete-presheaf-type: discr(T)
Lemmas referenced : 
presheaf-unit_wf, 
cube-cat_wf, 
cubical-type-sq-presheaf-type
Rules used in proof : 
cut, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isectElimination, 
thin, 
hypothesis, 
sqequalRule, 
Error :memTop
Latex:
\mforall{}[X:j\mvdash{}].  X  \mvdash{}  1
Date html generated:
2020_05_20-PM-02_32_23
Last ObjectModification:
2020_04_03-PM-08_42_39
Theory : cubical!type!theory
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