Nuprl Lemma : lg-contains_weakening

[T:Type]. ∀g1,g2:LabeledGraph(T).  g1 ⊆ g2 supposing g1 g2 ∈ LabeledGraph(T)


Proof




Definitions occuring in Statement :  lg-contains: g1 ⊆ g2 labeled-graph: LabeledGraph(T) uimplies: supposing a uall: [x:A]. B[x] all: x:A. B[x] universe: Type equal: t ∈ T
Lemmas :  equal_wf labeled-graph_wf lg-nil_wf lg-nil-append lg-append_wf squash_wf true_wf iff_weakening_equal lg-append-nil exists_wf

Latex:
\mforall{}[T:Type].  \mforall{}g1,g2:LabeledGraph(T).    g1  \msubseteq{}  g2  supposing  g1  =  g2



Date html generated: 2015_07_22-PM-00_28_06
Last ObjectModification: 2015_02_04-PM-04_03_30

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