Nuprl Lemma : Wless_antireflexive

∀[A:Type]. ∀[B:A ⟶ Type]. ∀[w1:W(A;a.B[a])].  (¬(w1 <  w1))


Proof




Definitions occuring in Statement :  Wcmp: Wcmp(A;a.B[a];leq),  W: W(A;a.B[a]),  bfalse: ff,  uall: ∀[x:A]. B[x],  infix_ap: x f y,  so_apply: x[s],  not: ¬A,  function: x:A ⟶ B[x],  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  not: ¬A,  implies: P ⇒ Q,  false: False,  so_lambda: λ2x.t[x],  so_apply: x[s],  infix_ap: x f y,  all: ∀x:A. B[x],  Wcmp: Wcmp(A;a.B[a];leq),  ifthenelse: if b then t else f fi ,  bfalse: ff,  btrue: tt,  Wsup: Wsup(a;b),  prop: ℙ,  subtype_rel: A ⊆r B,  exists: ∃x:A. B[x],  guard: {T}
Lemmas referenced :  W-induction,  not_wf,  Wcmp_wf,  bfalse_wf,  W_wf,  all_wf,  exists_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  lambdaFormation,  thin,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  hypothesisEquality,  sqequalRule,  lambdaEquality,  applyEquality,  hypothesis,  independent_functionElimination,  functionEquality,  because_Cache,  dependent_functionElimination,  voidElimination,  universeEquality,  isect_memberEquality,  cumulativity,  productElimination

Latex:
\mforall{}[A:Type].  \mforall{}[B:A  {}\mrightarrow{}  Type].  \mforall{}[w1:W(A;a.B[a])].    (\mneg{}(w1  <    w1))



Date html generated: 2016_05_14-AM-06_16_04
Last ObjectModification: 2015_12_26-PM-00_04_28

Theory : co-recursion


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