Nuprl Lemma : eo-forward-base-classrel
∀[f:Name ⟶ Type]. ∀[eo:EO+(Message(f))]. ∀[e:E]. ∀[e':E]. ∀[hdr:Name]. ∀[T:Type]. ∀[v:T].
  uiff(v ∈ Base(hdr)(e');v ∈ Base(hdr)(e')) supposing hdr encodes T
Proof
Definitions occuring in Statement : 
base-headers-msg-val: Base(hdr), 
encodes-msg-type: hdr encodes T, 
Message: Message(f), 
classrel: v ∈ X(e), 
eo-forward: eo.e, 
event-ordering+: EO+(Info), 
es-E: E, 
name: Name, 
uiff: uiff(P;Q), 
uimplies: b supposing a, 
uall: ∀[x:A]. B[x], 
function: x:A ⟶ B[x], 
universe: Type
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
uimplies: b supposing a, 
uiff: uiff(P;Q), 
and: P ∧ Q, 
base-headers-msg-val: Base(hdr), 
classrel: v ∈ X(e), 
cond-msg-body: cond-msg-body(hdr;msg), 
bag-member: x ↓∈ bs, 
squash: ↓T, 
prop: ℙ, 
subtype_rel: A ⊆r B, 
top: Top
Latex:
\mforall{}[f:Name  {}\mrightarrow{}  Type].  \mforall{}[eo:EO+(Message(f))].  \mforall{}[e:E].  \mforall{}[e':E].  \mforall{}[hdr:Name].  \mforall{}[T:Type].  \mforall{}[v:T].
    uiff(v  \mmember{}  Base(hdr)(e');v  \mmember{}  Base(hdr)(e'))  supposing  hdr  encodes  T
Date html generated:
2016_05_17-AM-08_54_15
Last ObjectModification:
2016_01_17-PM-08_32_46
Theory : messages
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