Nuprl Lemma : param-W_wf

∀[P:Type]. ∀[A:P ⟶ Type]. ∀[B:p:P ⟶ A[p] ⟶ Type]. ∀[C:p:P ⟶ a:A[p] ⟶ B[p;a] ⟶ P].  (pW ∈ P ⟶ Type)


Proof




Definitions occuring in Statement :  param-W: pW,  uall: ∀[x:A]. B[x],  so_apply: x[s1;s2;s3],  so_apply: x[s1;s2],  so_apply: x[s],  member: t ∈ T,  function: x:A ⟶ B[x],  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  param-W: pW,  so_lambda: λ2x.t[x],  so_apply: x[s],  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2],  so_lambda: so_lambda(x,y,z.t[x; y; z]),  so_apply: x[s1;s2;s3],  implies: P ⇒ Q,  prop: ℙ,  pcw-path: Path,  nat: ℕ,  le: A ≤ B,  and: P ∧ Q,  less_than': less_than'(a;b),  false: False,  not: ¬A,  exists: ∃x:A. B[x],  all: ∀x:A. B[x]
Lemmas referenced :  param-co-W_wf,  all_wf,  pcw-path_wf,  pcw-step-agree_wf,  false_wf,  le_wf,  squash_wf,  exists_wf,  nat_wf,  pcw-pp-barred_wf,  pcw-partial_wf
Rules used in proof :  cut,  lemma_by_obid,  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  hypothesis,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  sqequalRule,  lambdaEquality,  setEquality,  applyEquality,  cumulativity,  because_Cache,  functionEquality,  setElimination,  rename,  dependent_set_memberEquality,  natural_numberEquality,  independent_pairFormation,  lambdaFormation,  universeEquality

Latex:
\mforall{}[P:Type].  \mforall{}[A:P  {}\mrightarrow{}  Type].  \mforall{}[B:p:P  {}\mrightarrow{}  A[p]  {}\mrightarrow{}  Type].  \mforall{}[C:p:P  {}\mrightarrow{}  a:A[p]  {}\mrightarrow{}  B[p;a]  {}\mrightarrow{}  P].
    (pW  \mmember{}  P  {}\mrightarrow{}  Type)



Date html generated: 2016_05_14-AM-06_13_17
Last ObjectModification: 2015_12_26-PM-00_05_38

Theory : co-recursion


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