Nuprl Lemma : name-morph-flip-face-map

∀I:Cname List. ∀y:nameset(I). ∀a:ℕ2. ∀c1:name-morph(I;[]). ∀v:nameset(I).
  ((¬(v = y ∈ Cname)) ⇒ (flip(((y:=a) o c1);v) = ((y:=a) o flip(c1;v)) ∈ name-morph(I;[])))


Proof




Definitions occuring in Statement :  name-morph-flip: flip(f;y),  name-comp: (f o g),  face-map: (x:=i),  name-morph: name-morph(I;J),  nameset: nameset(L),  coordinate_name: Cname,  nil: [],  list: T List,  int_seg: {i..j-},  all: ∀x:A. B[x],  not: ¬A,  implies: P ⇒ Q,  natural_number: $n,  equal: s = t ∈ T
Definitions unfolded in proof :  all: ∀x:A. B[x],  member: t ∈ T,  subtype_rel: A ⊆r B,  uall: ∀[x:A]. B[x],  nameset: nameset(L),  uimplies: b supposing a
Lemmas referenced :  name-morph-flip-face-map1,  name-morph_subtype,  nil_wf,  coordinate_name_wf,  list-diff_wf,  cname_deq_wf,  cons_wf,  nameset_wf,  nameset_subtype,  list-diff-subset,  name-morph_wf,  int_seg_wf,  list_wf
Rules used in proof :  cut,  lemma_by_obid,  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  hypothesis,  sqequalHypSubstitution,  dependent_functionElimination,  thin,  hypothesisEquality,  applyEquality,  isectElimination,  setElimination,  rename,  because_Cache,  independent_isectElimination,  lambdaEquality,  sqequalRule,  natural_numberEquality

Latex:
\mforall{}I:Cname  List.  \mforall{}y:nameset(I).  \mforall{}a:\mBbbN{}2.  \mforall{}c1:name-morph(I;[]).  \mforall{}v:nameset(I).
    ((\mneg{}(v  =  y))  {}\mRightarrow{}  (flip(((y:=a)  o  c1);v)  =  ((y:=a)  o  flip(c1;v))))



Date html generated: 2016_06_16-PM-05_35_18
Last ObjectModification: 2015_12_28-PM-04_38_16

Theory : cubical!sets


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