Nuprl Lemma : pircv-var_wf

[v:pi_prefix()]. pircv-var(v) ∈ Name supposing ↑pircv?(v)


Proof




Definitions occuring in Statement :  pircv-var: pircv-var(v) pircv?: pircv?(v) pi_prefix: pi_prefix() name: Name assert: b uimplies: supposing a uall: [x:A]. B[x] member: t ∈ T
Definitions unfolded in proof :  uall: [x:A]. B[x] uimplies: supposing a member: t ∈ T ext-eq: A ≡ B and: P ∧ Q subtype_rel: A ⊆B all: x:A. B[x] implies:  Q bool: 𝔹 unit: Unit it: btrue: tt uiff: uiff(P;Q) sq_type: SQType(T) guard: {T} eq_atom: =a y ifthenelse: if then else fi  pircv?: pircv?(v) pi1: fst(t) assert: b bfalse: ff false: False exists: x:A. B[x] prop: or: P ∨ Q bnot: ¬bb pircv-var: pircv-var(v) pi2: snd(t)

Latex:
\mforall{}[v:pi\_prefix()].  pircv-var(v)  \mmember{}  Name  supposing  \muparrow{}pircv?(v)



Date html generated: 2016_05_17-AM-11_20_13
Last ObjectModification: 2015_12_29-PM-06_58_32

Theory : event-logic-applications


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