Nuprl Lemma : cubical-nerve-I-cube

∀[X,I:Top].  (cubical-nerve(X)(I) ~ Functor(poset-cat(I);X))


Proof




Definitions occuring in Statement :  cubical-nerve: cubical-nerve(X),  poset-cat: poset-cat(J),  I-cube: X(I),  cat-functor: Functor(C1;C2),  uall: ∀[x:A]. B[x],  top: Top,  sqequal: s ~ t
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  cubical-nerve: cubical-nerve(X),  I-cube: X(I),  functor-ob: functor-ob(F),  pi1: fst(t)
Lemmas referenced :  top_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  hypothesis,  sqequalAxiom,  lemma_by_obid,  sqequalHypSubstitution,  isect_memberEquality,  isectElimination,  thin,  hypothesisEquality,  because_Cache

Latex:
\mforall{}[X,I:Top].    (cubical-nerve(X)(I)  \msim{}  Functor(poset-cat(I);X))



Date html generated: 2016_06_16-PM-07_02_01
Last ObjectModification: 2015_12_28-PM-04_18_36

Theory : cubical!sets


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