Nuprl Lemma : simple-comb-1-disjoint-classrel

∀[Info,T,A,B:Type]. ∀[es:EO+(Info)]. ∀[X:EClass(A)]. ∀[Y:EClass(B)]. ∀[f:A ⟶ T].
  (disjoint-classrel(es;A;X;B;Y) ⇒ disjoint-classrel(es;T;lifting-1(f)|X|;B;Y))


Proof




Definitions occuring in Statement :  simple-comb-1: F|X|,  disjoint-classrel: disjoint-classrel(es;A;X;B;Y),  eclass: EClass(A[eo; e]),  event-ordering+: EO+(Info),  uall: ∀[x:A]. B[x],  implies: P ⇒ Q,  function: x:A ⟶ B[x],  universe: Type,  lifting-1: lifting-1(f)
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  implies: P ⇒ Q,  disjoint-classrel: disjoint-classrel(es;A;X;B;Y),  all: ∀x:A. B[x],  member: t ∈ T,  or: P ∨ Q,  not: ¬A,  false: False,  uiff: uiff(P;Q),  and: P ∧ Q,  uimplies: b supposing a,  squash: ↓T,  exists: ∃x:A. B[x],  prop: ℙ,  so_lambda: λ2x.t[x],  so_apply: x[s],  guard: {T},  subtype_rel: A ⊆r B,  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2]

Latex:
\mforall{}[Info,T,A,B:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[X:EClass(A)].  \mforall{}[Y:EClass(B)].  \mforall{}[f:A  {}\mrightarrow{}  T].
    (disjoint-classrel(es;A;X;B;Y)  {}\mRightarrow{}  disjoint-classrel(es;T;lifting-1(f)|X|;B;Y))



Date html generated: 2016_05_17-AM-09_33_53
Last ObjectModification: 2015_12_29-PM-03_59_29

Theory : classrel!lemmas


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