Nuprl Lemma : csm-cubical-app
∀[w,u,s:Top].  ((app(w; u))s ~ app((w)s; (u)s))
Proof
Definitions occuring in Statement : 
cubical-app: app(w; u)
, 
csm-ap-term: (t)s
, 
uall: ∀[x:A]. B[x]
, 
top: Top
, 
sqequal: s ~ t
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
top: Top
, 
csm-ap-term: (t)s
, 
pscm-ap-term: (t)s
, 
cubical-app: app(w; u)
, 
presheaf-app: app(w; u)
, 
cube-cat: CubeCat
, 
all: ∀x:A. B[x]
, 
csm-ap: (s)x
, 
pscm-ap: (s)x
Lemmas referenced : 
pscm-presheaf-app, 
cat_id_tuple_lemma
Rules used in proof : 
cut, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isectElimination, 
thin, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
sqequalRule, 
dependent_functionElimination, 
hypothesis
Latex:
\mforall{}[w,u,s:Top].    ((app(w;  u))s  \msim{}  app((w)s;  (u)s))
Date html generated:
2018_05_23-AM-09_11_06
Last ObjectModification:
2018_05_20-PM-06_10_35
Theory : cubical!type!theory
Home
Index