Nuprl Lemma : cubical_set_cumulativity
CubicalSet{j} ⊆r cubical_set{j':l}
Proof
Definitions occuring in Statement : 
cubical_set: CubicalSet
, 
subtype_rel: A ⊆r B
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
cubical_set: CubicalSet
Lemmas referenced : 
ps_context_cumulativity, 
cube-cat_wf
Rules used in proof : 
cut, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isectElimination, 
thin, 
hypothesis, 
sqequalRule
Latex:
CubicalSet\{j\}  \msubseteq{}r  cubical\_set\{j':l\}
Date html generated:
2020_05_20-PM-01_38_33
Last ObjectModification:
2020_04_03-PM-03_36_53
Theory : cubical!type!theory
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