Nuprl Lemma : pi-subst-aux_wf

[p:pi_term()]. (pi-subst-aux(p) ∈ (Name List) ⟶ ((Name × Name) List) ⟶ pi_term())


Proof




Definitions occuring in Statement :  pi-subst-aux: pi-subst-aux(p) pi_term: pi_term() name: Name list: List uall: [x:A]. B[x] member: t ∈ T function: x:A ⟶ B[x] product: x:A × B[x]
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T pi-subst-aux: pi-subst-aux(p) let: let so_lambda: so_lambda(x,y,z.t[x; y; z]) so_lambda: λ2y.t[x; y] so_apply: x[s1;s2] all: x:A. B[x] implies:  Q bool: 𝔹 unit: Unit it: btrue: tt ifthenelse: if then else fi  uiff: uiff(P;Q) and: P ∧ Q uimplies: supposing a iff: ⇐⇒ Q subtype_rel: A ⊆B prop: pi1: fst(t) bfalse: ff exists: x:A. B[x] or: P ∨ Q sq_type: SQType(T) guard: {T} bnot: ¬bb assert: b false: False not: ¬A rev_implies:  Q so_apply: x[s1;s2;s3] so_lambda: so_lambda(x,y,z,w.t[x; y; z; w]) so_apply: x[s1;s2;s3;s4]

Latex:
\mforall{}[p:pi\_term()].  (pi-subst-aux(p)  \mmember{}  (Name  List)  {}\mrightarrow{}  ((Name  \mtimes{}  Name)  List)  {}\mrightarrow{}  pi\_term())



Date html generated: 2016_05_17-AM-11_25_00
Last ObjectModification: 2015_12_29-PM-06_53_51

Theory : event-logic-applications


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