Nuprl Lemma : cubes-comp

[X:Top]. (cat-comp(cubes(X)) ~ λAa,Bb,_,f,g. g ⋅ f)


Proof




Definitions occuring in Statement :  cubes: cubes(X) nh-comp: g ⋅ f cat-comp: cat-comp(C) uall: [x:A]. B[x] top: Top pi1: fst(t) lambda: λx.A[x] sqequal: t
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T cubes: cubes(X) cube-cat: CubeCat all: x:A. B[x] top: Top
Lemmas referenced :  sets-comp cube-cat_wf cat_comp_tuple_lemma
Rules used in proof :  cut introduction extract_by_obid sqequalHypSubstitution sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isectElimination thin hypothesis sqequalRule dependent_functionElimination isect_memberEquality voidElimination voidEquality

Latex:
\mforall{}[X:Top].  (cat-comp(cubes(X))  \msim{}  \mlambda{}Aa,Bb,$_{}$,f,g.  g  \mcdot{}  f)



Date html generated: 2018_05_23-AM-08_33_29
Last ObjectModification: 2018_05_20-PM-05_46_31

Theory : cubical!type!theory


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