Nuprl Lemma : assert-in-missing-iff

∀i:ℤ. ∀missing:{l:ℤ List| l-ordered(ℤ;x,y.x < y;l)} .  (↑in-missing(i;missing) ⇐⇒ (i ∈ missing))


Proof




Definitions occuring in Statement :  in-missing: in-missing(i;missing),  l_member: (x ∈ l),  list: T List,  assert: ↑b,  less_than: a < b,  all: ∀x:A. B[x],  iff: P ⇐⇒ Q,  set: {x:A| B[x]} ,  int: ℤ,  l-ordered: l-ordered(T;x,y.R[x; y];L)
Lemmas :  assert-in-missing,  assert_wf,  in-missing_wf,  sq_stable__assert,  list_induction,  l_member_wf,  false_wf,  true_wf,  l-ordered-nil-true,  less_than_wf,  nil_member,  nil_wf,  l-ordered_wf,  reduce_cons_lemma,  iff_transitivity,  le_int_wf,  bool_wf,  eqtt_to_assert,  assert_of_le_int,  bor_wf,  eq_int_wf,  le_wf,  or_wf,  equal-wf-base,  int_subtype_base,  iff_weakening_uiff,  assert_of_band,  assert_of_bor,  assert_of_eq_int,  le_weakening,  decidable__equal_int,  not-equal-2,  le_antisymmetry_iff,  add_functionality_wrt_le,  add-associates,  add-commutes,  le-add-cancel,  add-swap,  le_weakening2,  all_wf,  l-ordered-cons,  cons_member,  cons_wf,  set_wf,  list_wf
\mforall{}i:\mBbbZ{}.  \mforall{}missing:\{l:\mBbbZ{}  List|  l-ordered(\mBbbZ{};x,y.x  <  y;l)\}  .    (\muparrow{}in-missing(i;missing)  \mLeftarrow{}{}\mRightarrow{}  (i  \mmember{}  missing))



Date html generated: 2015_07_17-AM-08_21_19
Last ObjectModification: 2015_04_02-PM-05_43_03

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