Nuprl Lemma : Memory-classrel2
∀[Info,B,A:Type]. ∀[f:A ⟶ B ⟶ B]. ∀[init:Id ⟶ bag(B)].
∀X:EClass(A). ∀es:EO+(Info). ∀e:E.
∀[v:B]. (v ∈ Memory-class(f;init;X)(e) ⇐⇒ ↓prior-iterated-classrel(es;A;B;v;X;f;init;e))
Proof
Definitions occuring in Statement :
Memory-class: Memory-class(f;init;X),
prior-iterated-classrel: prior-iterated-classrel(es;A;S;s;X;f;init;e),
classrel: v ∈ X(e),
eclass: EClass(A[eo; e]),
event-ordering+: EO+(Info),
es-E: E,
Id: Id,
uall: ∀[x:A]. B[x],
all: ∀x:A. B[x],
iff: P ⇐⇒ Q,
squash: ↓T,
function: x:A ⟶ B[x],
universe: Type,
bag: bag(T)
Definitions unfolded in proof :
iff: P ⇐⇒ Q,
and: P ∧ Q,
implies: P ⇒ Q,
squash: ↓T,
member: t ∈ T,
prop: ℙ,
uall: ∀[x:A]. B[x],
rev_implies: P ⇐ Q,
subtype_rel: A ⊆r B,
so_lambda: λ2x y.t[x; y],
so_apply: x[s1;s2],
all: ∀x:A. B[x],
classrel: v ∈ X(e),
bag-member: x ↓∈ bs,
or: P ∨ Q,
prior-iterated-classrel: prior-iterated-classrel(es;A;S;s;X;f;init;e),
cand: A c∧ B,
uimplies: b supposing a,
not: ¬A,
false: False,
uiff: uiff(P;Q),
guard: {T},
sq_stable: SqStable(P),
rev_uimplies: rev_uimplies(P;Q)
Latex:
\mforall{}[Info,B,A:Type]. \mforall{}[f:A {}\mrightarrow{} B {}\mrightarrow{} B]. \mforall{}[init:Id {}\mrightarrow{} bag(B)].
\mforall{}X:EClass(A). \mforall{}es:EO+(Info). \mforall{}e:E.
\mforall{}[v:B]. (v \mmember{} Memory-class(f;init;X)(e) \mLeftarrow{}{}\mRightarrow{} \mdownarrow{}prior-iterated-classrel(es;A;B;v;X;f;init;e))
Date html generated:
2016_05_17-AM-09_22_52
Last ObjectModification:
2016_01_17-PM-11_11_46
Theory : classrel!lemmas
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