Nuprl Lemma : lg-is-source-wf_dag

[T:Type]. ∀[g:LabeledDAG(T)]. ∀[i:ℕ].  (lg-is-source(g;i) ∈ 𝔹)


Proof




Definitions occuring in Statement :  ldag: LabeledDAG(T) lg-is-source: lg-is-source(g;i) nat: bool: 𝔹 uall: [x:A]. B[x] member: t ∈ T universe: Type
Lemmas :  lg-is-source_wf nat_wf ldag_wf

Latex:
\mforall{}[T:Type].  \mforall{}[g:LabeledDAG(T)].  \mforall{}[i:\mBbbN{}].    (lg-is-source(g;i)  \mmember{}  \mBbbB{})



Date html generated: 2015_07_23-AM-11_03_20
Last ObjectModification: 2015_01_28-PM-11_33_35

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