Nuprl Lemma : parallel-class-program_wf
∀[Info,B:Type].
  ∀[X,Y:EClass(B)]. ∀[Xpr:LocalClass(X)]. ∀[Ypr:LocalClass(Y)].  (Xpr || Ypr ∈ LocalClass(X || Y)) 
  supposing valueall-type(B)
Proof
Definitions occuring in Statement : 
parallel-class-program: X || Y, 
parallel-class: X || Y, 
local-class: LocalClass(X), 
eclass: EClass(A[eo; e]), 
valueall-type: valueall-type(T), 
uimplies: b supposing a, 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
universe: Type
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
uimplies: b supposing a, 
local-class: LocalClass(X), 
sq_exists: ∃x:{A| B[x]}, 
parallel-class-program: X || Y, 
all: ∀x:A. B[x], 
parallel-class: X || Y, 
class-ap: X(e), 
eclass-compose2: eclass-compose2(f;X;Y), 
squash: ↓T, 
prop: ℙ, 
true: True, 
subtype_rel: A ⊆r B, 
implies: P ⇒ Q, 
so_lambda: λ2x.t[x], 
so_apply: x[s], 
guard: {T}, 
iff: P ⇐⇒ Q, 
and: P ∧ Q, 
rev_implies: P ⇐ Q, 
top: Top, 
ext-eq: A ≡ B, 
hdf-parallel: X || Y, 
mk-hdf: mk-hdf(s,m.G[s; m];st.H[st];s0), 
hdf-halted: hdf-halted(P), 
hdf-ap: X(a), 
hdf-run: hdf-run(P), 
hdf-halt: hdf-halt(), 
ifthenelse: if b then t else f fi , 
band: p ∧b q, 
isr: isr(x), 
bfalse: ff, 
pi2: snd(t), 
btrue: tt, 
pi1: fst(t), 
so_lambda: λ2x y.t[x; y], 
so_apply: x[s1;s2], 
callbyvalueall: callbyvalueall, 
has-value: (a)↓, 
has-valueall: has-valueall(a), 
unit: Unit
Latex:
\mforall{}[Info,B:Type].
    \mforall{}[X,Y:EClass(B)].  \mforall{}[Xpr:LocalClass(X)].  \mforall{}[Ypr:LocalClass(Y)].    (Xpr  ||  Ypr  \mmember{}  LocalClass(X  ||  Y)) 
    supposing  valueall-type(B)
Date html generated:
2016_05_17-AM-09_08_40
Last ObjectModification:
2016_01_17-PM-09_14_30
Theory : local!classes
Home
Index