Nuprl Lemma : reliable-env_wf

[M:Type ⟶ Type]. ∀[r:pRunType(P.M[P])]. ∀[env:pEnvType(P.M[P])].  (reliable-env(env; r) ∈ ℙ)


Proof




Definitions occuring in Statement :  reliable-env: reliable-env(env; r) pEnvType: pEnvType(T.M[T]) pRunType: pRunType(T.M[T]) uall: [x:A]. B[x] prop: so_apply: x[s] member: t ∈ T function: x:A ⟶ B[x] universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T reliable-env: reliable-env(env; r) so_lambda: λ2x.t[x] prop: and: P ∧ Q nat: pEnvType: pEnvType(T.M[T]) nat_plus: + le: A ≤ B guard: {T} uimplies: supposing a pRunType: pRunType(T.M[T]) subtype_rel: A ⊆B so_apply: x[s] all: x:A. B[x] implies:  Q

Latex:
\mforall{}[M:Type  {}\mrightarrow{}  Type].  \mforall{}[r:pRunType(P.M[P])].  \mforall{}[env:pEnvType(P.M[P])].    (reliable-env(env;  r)  \mmember{}  \mBbbP{})



Date html generated: 2016_05_17-AM-10_55_22
Last ObjectModification: 2016_01_18-AM-00_11_44

Theory : process-model


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