Nuprl Lemma : relclosed-set_wf

∀[R:Set{i:l} ⟶ Set{i:l} ⟶ ℙ']. ∀[s:Set{i:l}].  (closed(x,a.R[x;a])s ∈ ℙ')


Proof




Definitions occuring in Statement :  relclosed-set: closed(x,a.R[x; a])s,  Set: Set{i:l},  uall: ∀[x:A]. B[x],  prop: ℙ,  so_apply: x[s1;s2],  member: t ∈ T,  function: x:A ⟶ B[x]
Definitions unfolded in proof :  so_apply: x[s],  so_apply: x[s1;s2],  prop: ℙ,  implies: P ⇒ Q,  so_lambda: λ2x.t[x],  relclosed-set: closed(x,a.R[x; a])s,  member: t ∈ T,  uall: ∀[x:A]. B[x]
Lemmas referenced :  setmem_wf,  setsubset_wf,  Set_wf,  all_wf
Rules used in proof :  universeEquality,  because_Cache,  isect_memberEquality,  equalitySymmetry,  equalityTransitivity,  axiomEquality,  applyEquality,  hypothesisEquality,  cumulativity,  functionEquality,  lambdaEquality,  hypothesis,  isectElimination,  sqequalHypSubstitution,  extract_by_obid,  instantiate,  thin,  sqequalRule,  cut,  introduction,  isect_memberFormation,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution

Latex:
\mforall{}[R:Set\{i:l\}  {}\mrightarrow{}  Set\{i:l\}  {}\mrightarrow{}  \mBbbP{}'].  \mforall{}[s:Set\{i:l\}].    (closed(x,a.R[x;a])s  \mmember{}  \mBbbP{}')



Date html generated: 2018_05_29-PM-01_53_21
Last ObjectModification: 2018_05_25-PM-05_20_55

Theory : constructive!set!theory


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