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: 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


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