Nuprl Lemma : no_rel_repeats_wf

∀[T:Type]. ∀[R:T ⟶ T ⟶ ℙ]. ∀[l:T List].  (no_rel_repeats(T;R;l) ∈ ℙ)


Proof




Definitions occuring in Statement :  no_rel_repeats: no_rel_repeats(T;R;l),  list: T List,  uall: ∀[x:A]. B[x],  prop: ℙ,  member: t ∈ T,  function: x:A ⟶ B[x],  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  no_rel_repeats: no_rel_repeats(T;R;l),  so_lambda: λ2x.t[x],  implies: P ⇒ Q,  prop: ℙ,  nat: ℕ,  uimplies: b supposing a,  ge: i ≥ j ,  all: ∀x:A. B[x],  decidable: Dec(P),  or: P ∨ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  not: ¬A,  top: Top,  and: P ∧ Q,  so_apply: x[s]
Lemmas referenced :  list_wf,  int_formula_prop_wf,  int_term_value_var_lemma,  int_term_value_constant_lemma,  int_formula_prop_le_lemma,  int_formula_prop_not_lemma,  int_formula_prop_and_lemma,  itermVar_wf,  itermConstant_wf,  intformle_wf,  intformnot_wf,  intformand_wf,  satisfiable-full-omega-tt,  decidable__le,  nat_properties,  select_wf,  equal_wf,  not_wf,  length_wf,  less_than_wf,  nat_wf,  all_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesis,  lambdaEquality,  because_Cache,  functionEquality,  setElimination,  rename,  hypothesisEquality,  cumulativity,  applyEquality,  independent_isectElimination,  dependent_functionElimination,  natural_numberEquality,  unionElimination,  dependent_pairFormation,  int_eqEquality,  intEquality,  isect_memberEquality,  voidElimination,  voidEquality,  independent_pairFormation,  computeAll,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  universeEquality

Latex:
\mforall{}[T:Type].  \mforall{}[R:T  {}\mrightarrow{}  T  {}\mrightarrow{}  \mBbbP{}].  \mforall{}[l:T  List].    (no\_rel\_repeats(T;R;l)  \mmember{}  \mBbbP{})



Date html generated: 2016_05_14-PM-03_25_35
Last ObjectModification: 2016_01_14-PM-11_22_10

Theory : decidable!equality


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