Nuprl Lemma : lg-remove_wf

[T:Type]. ∀[g:LabeledGraph(T)]. ∀[x:ℕ].  (lg-remove(g;x) ∈ LabeledGraph(T))


Proof




Definitions occuring in Statement :  lg-remove: lg-remove(g;n) labeled-graph: LabeledGraph(T) nat: uall: [x:A]. B[x] member: t ∈ T universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T labeled-graph: LabeledGraph(T) subtype_rel: A ⊆B all: x:A. B[x] so_lambda: λ2x.t[x] so_apply: x[s] lg-remove: lg-remove(g;n) guard: {T} nat: spreadn: spread3 implies:  Q bool: 𝔹 unit: Unit it: btrue: tt ifthenelse: if then else fi  bfalse: ff uiff: uiff(P;Q) and: P ∧ Q uimplies: supposing a exists: x:A. B[x] prop: or: P ∨ Q sq_type: SQType(T) bnot: ¬bb assert: b false: False not: ¬A int_seg: {i..j-} top: Top int_iseg: {i...j} cand: c∧ B ge: i ≥  decidable: Dec(P) satisfiable_int_formula: satisfiable_int_formula(fmla) less_than: a < b squash: T iff: ⇐⇒ Q rev_implies:  Q lelt: i ≤ j < k

Latex:
\mforall{}[T:Type].  \mforall{}[g:LabeledGraph(T)].  \mforall{}[x:\mBbbN{}].    (lg-remove(g;x)  \mmember{}  LabeledGraph(T))



Date html generated: 2016_05_17-AM-10_08_37
Last ObjectModification: 2016_01_18-AM-00_23_56

Theory : process-model


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