Nuprl Lemma : from-upto-sorted

a,b:ℤ.  sorted-by(λx,y. x < y;[a, b))


Proof




Definitions occuring in Statement :  from-upto: [n, m) sorted-by: sorted-by(R;L) less_than: a < b all: x:A. B[x] lambda: λx.A[x] int:
Definitions unfolded in proof :  all: x:A. B[x] sorted-by: sorted-by(R;L) member: t ∈ T uall: [x:A]. B[x] int_seg: {i..j-} and: P ∧ Q prop: lelt: i ≤ j < k le: A ≤ B less_than: a < b guard: {T} decidable: Dec(P) or: P ∨ Q uimplies: supposing a satisfiable_int_formula: satisfiable_int_formula(fmla) exists: x:A. B[x] false: False implies:  Q not: ¬A top: Top sq_type: SQType(T) uiff: uiff(P;Q) ifthenelse: if then else fi  btrue: tt iff: ⇐⇒ Q rev_implies:  Q bfalse: ff
Lemmas referenced :  assert_of_bnot iff_weakening_uiff iff_transitivity eqff_to_assert assert_of_lt_int eqtt_to_assert bool_subtype_base bool_wf subtype_base_sq bool_cases select-from-upto int_term_value_add_lemma itermAdd_wf int_term_value_constant_lemma int_formula_prop_le_lemma itermConstant_wf intformle_wf not_wf bnot_wf assert_wf int_formula_prop_wf int_term_value_subtract_lemma int_term_value_var_lemma int_formula_prop_less_lemma int_formula_prop_not_lemma int_formula_prop_and_lemma itermSubtract_wf itermVar_wf intformless_wf intformnot_wf intformand_wf satisfiable-full-omega-tt decidable__lt int_seg_properties lt_int_wf subtract_wf lelt_wf length-from-upto from-upto_wf less_than_wf le_wf and_wf length_wf int_seg_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity lambdaFormation sqequalRule cut lemma_by_obid sqequalHypSubstitution isectElimination thin natural_numberEquality setElimination rename hypothesisEquality hypothesis setEquality intEquality dependent_set_memberEquality productElimination independent_pairFormation because_Cache equalityTransitivity equalitySymmetry dependent_functionElimination unionElimination independent_isectElimination dependent_pairFormation lambdaEquality int_eqEquality isect_memberEquality voidElimination voidEquality computeAll addEquality instantiate cumulativity independent_functionElimination impliesFunctionality

Latex:
\mforall{}a,b:\mBbbZ{}.    sorted-by(\mlambda{}x,y.  x  <  y;[a,  b))



Date html generated: 2016_05_14-PM-02_02_44
Last ObjectModification: 2016_01_15-AM-08_07_47

Theory : list_1


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