Nuprl Lemma : primed-class-opt_functionality
∀[Info,B:Type]. ∀[init:Id ⟶ bag(B)]. ∀[es:EO+(Info)]. ∀[e:E]. ∀[X,Y:EClass(B)].
Prior(X)?init(e) = Prior(Y)?init(e) ∈ bag(B) supposing ∀e1:E. ((e1 < e) ⇒ (X(e1) = Y(e1) ∈ bag(B)))
Proof
Definitions occuring in Statement :
primed-class-opt: Prior(X)?b,
class-ap: X(e),
eclass: EClass(A[eo; e]),
event-ordering+: EO+(Info),
es-causl: (e < e'),
es-E: E,
Id: Id,
uimplies: b supposing a,
uall: ∀[x:A]. B[x],
all: ∀x:A. B[x],
implies: P ⇒ Q,
function: x:A ⟶ B[x],
universe: Type,
equal: s = t ∈ T,
bag: bag(T)
Definitions unfolded in proof :
uall: ∀[x:A]. B[x],
member: t ∈ T,
uimplies: b supposing a,
class-ap: X(e),
all: ∀x:A. B[x],
subtype_rel: A ⊆r B,
strongwellfounded: SWellFounded(R[x; y]),
exists: ∃x:A. B[x],
nat: ℕ,
implies: P ⇒ Q,
false: False,
ge: i ≥ j ,
satisfiable_int_formula: satisfiable_int_formula(fmla),
not: ¬A,
top: Top,
and: P ∧ Q,
prop: ℙ,
guard: {T},
so_lambda: λ2x.t[x],
eclass: EClass(A[eo; e]),
so_apply: x[s],
int_seg: {i..j-},
lelt: i ≤ j < k,
le: A ≤ B,
less_than': less_than'(a;b),
decidable: Dec(P),
or: P ∨ Q,
less_than: a < b,
squash: ↓T,
so_lambda: λ2x y.t[x; y],
so_apply: x[s1;s2],
bool: 𝔹,
unit: Unit,
it: ⋅,
btrue: tt,
uiff: uiff(P;Q),
ifthenelse: if b then t else f fi ,
bfalse: ff,
iff: P ⇐⇒ Q,
rev_implies: P ⇐ Q,
true: True
Latex:
\mforall{}[Info,B:Type]. \mforall{}[init:Id {}\mrightarrow{} bag(B)]. \mforall{}[es:EO+(Info)]. \mforall{}[e:E]. \mforall{}[X,Y:EClass(B)].
Prior(X)?init(e) = Prior(Y)?init(e) supposing \mforall{}e1:E. ((e1 < e) {}\mRightarrow{} (X(e1) = Y(e1)))
Date html generated:
2016_05_16-PM-11_31_50
Last ObjectModification:
2016_01_17-PM-07_09_50
Theory : event-ordering
Home
Index