Nuprl Lemma : eclass2-bag-classrel
∀[Info,B,C:Type]. ∀[X:EClass(bag(B) ─→ bag(C))]. ∀[Y:EClass(B)]. ∀[es:EO+(Info)]. ∀[e:E]. ∀[v:C].
uiff(v ∈ eclass2-bag(X;Y)(e);↓∃f:bag(B) ─→ bag(C). (f ∈ X(e) ∧ v ↓∈ f Y(e)))
Proof
Definitions occuring in Statement :
eclass2-bag: eclass2-bag(X;Y),
classrel: v ∈ X(e),
class-ap: X(e),
eclass: EClass(A[eo; e]),
event-ordering+: EO+(Info),
es-E: E,
uiff: uiff(P;Q),
uall: ∀[x:A]. B[x],
exists: ∃x:A. B[x],
squash: ↓T,
and: P ∧ Q,
apply: f a,
function: x:A ─→ B[x],
universe: Type,
bag-member: x ↓∈ bs,
bag: bag(T)
Lemmas :
squash_wf,
exists_wf,
bag_wf,
bag-member_wf,
class-ap_wf,
iff_weakening_uiff,
bag-combine_wf,
bag-member-combine,
uiff_wf,
classrel_wf,
eclass2-bag_wf,
es-E_wf,
event-ordering+_subtype,
event-ordering+_wf,
eclass_wf
\mforall{}[Info,B,C:Type]. \mforall{}[X:EClass(bag(B) {}\mrightarrow{} bag(C))]. \mforall{}[Y:EClass(B)]. \mforall{}[es:EO+(Info)]. \mforall{}[e:E]. \mforall{}[v:C].
uiff(v \mmember{} eclass2-bag(X;Y)(e);\mdownarrow{}\mexists{}f:bag(B) {}\mrightarrow{} bag(C). (f \mmember{} X(e) \mwedge{} v \mdownarrow{}\mmember{} f Y(e)))
Date html generated:
2015_07_17-PM-00_38_58
Last ObjectModification:
2015_01_27-PM-11_16_10
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