Nuprl Lemma : skip-first-class-property-iff
∀[Info,A:Type]. ∀[es:EO+(Info)]. ∀[e:E]. ∀[X:EClass(A)]. ∀[a:A].  uiff(a ∈ Skip(X)(e);False)
Proof
Definitions occuring in Statement : 
skip-first-class: Skip(X)
, 
classrel: v ∈ X(e)
, 
eclass: EClass(A[eo; e])
, 
eo-forward: eo.e
, 
event-ordering+: EO+(Info)
, 
es-E: E
, 
uiff: uiff(P;Q)
, 
uall: ∀[x:A]. B[x]
, 
false: False
, 
universe: Type
Lemmas : 
member-eo-forward-E, 
es-le-self, 
es-first_wf2, 
eo-forward_wf, 
event-ordering+_subtype, 
bool_cases, 
subtype_base_sq, 
bool_wf, 
bool_subtype_base, 
eqtt_to_assert, 
bag-member-empty-iff, 
eqff_to_assert, 
assert_of_bnot, 
eo-forward-first2, 
es-le_wf, 
equal_wf, 
classrel_wf, 
skip-first-class_wf, 
Id_wf, 
es-loc_wf, 
false_wf, 
eclass_wf, 
es-E_wf, 
event-ordering+_wf
Latex:
\mforall{}[Info,A:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[e:E].  \mforall{}[X:EClass(A)].  \mforall{}[a:A].    uiff(a  \mmember{}  Skip(X)(e);False)
Date html generated:
2015_07_20-PM-04_04_50
Last ObjectModification:
2015_01_27-PM-09_52_39
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