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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