Nuprl Lemma : mklist-prepend1

∀[f:Top]. ∀[m:ℕ].  (mklist(1 + m;f) ~ [f 0] @ mklist(m;λi.(f (1 + i))))


Proof




Definitions occuring in Statement :  mklist: mklist(n;f),  append: as @ bs,  cons: [a / b],  nil: [],  nat: ℕ,  uall: ∀[x:A]. B[x],  top: Top,  apply: f a,  lambda: λx.A[x],  add: n + m,  natural_number: $n,  sqequal: s ~ t
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  nat: ℕ,  implies: P ⇒ Q,  false: False,  ge: i ≥ j ,  uimplies: b supposing a,  not: ¬A,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  all: ∀x:A. B[x],  top: Top,  and: P ∧ Q,  prop: ℙ,  append: as @ bs,  so_lambda: so_lambda(x,y,z.t[x; y; z]),  so_apply: x[s1;s2;s3],  mklist: mklist(n;f),  decidable: Dec(P),  or: P ∨ Q,  sq_type: SQType(T),  guard: {T},  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  uiff: uiff(P;Q),  ifthenelse: if b then t else f fi ,  bfalse: ff,  bnot: ¬bb,  assert: ↑b,  rev_implies: P ⇐ Q,  iff: P ⇐⇒ Q
Lemmas referenced :  nat_properties,  full-omega-unsat,  intformand_wf,  intformle_wf,  itermConstant_wf,  itermVar_wf,  intformless_wf,  istype-int,  int_formula_prop_and_lemma,  istype-void,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  int_term_value_var_lemma,  int_formula_prop_less_lemma,  int_formula_prop_wf,  ge_wf,  istype-less_than,  list_ind_cons_lemma,  list_ind_nil_lemma,  primrec0_lemma,  primrec1_lemma,  subtract-1-ge-0,  subtype_base_sq,  int_subtype_base,  decidable__equal_int,  intformnot_wf,  intformeq_wf,  itermAdd_wf,  itermSubtract_wf,  int_formula_prop_not_lemma,  int_formula_prop_eq_lemma,  int_term_value_add_lemma,  int_term_value_subtract_lemma,  istype-nat,  istype-top,  primrec-unroll,  lt_int_wf,  eqtt_to_assert,  assert_of_lt_int,  eqff_to_assert,  bool_cases_sqequal,  bool_wf,  bool_subtype_base,  assert-bnot,  iff_weakening_uiff,  assert_wf,  less_than_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  Error :isect_memberFormation_alt,  introduction,  cut,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  hypothesis,  setElimination,  rename,  intWeakElimination,  Error :lambdaFormation_alt,  natural_numberEquality,  independent_isectElimination,  approximateComputation,  independent_functionElimination,  Error :dependent_pairFormation_alt,  Error :lambdaEquality_alt,  int_eqEquality,  dependent_functionElimination,  Error :isect_memberEquality_alt,  voidElimination,  sqequalRule,  independent_pairFormation,  Error :universeIsType,  axiomSqEquality,  Error :functionIsTypeImplies,  Error :inhabitedIsType,  instantiate,  cumulativity,  intEquality,  because_Cache,  unionElimination,  equalityTransitivity,  equalitySymmetry,  Error :isectIsTypeImplies,  addEquality,  equalityElimination,  productElimination,  Error :equalityIstype,  promote_hyp

Latex:
\mforall{}[f:Top].  \mforall{}[m:\mBbbN{}].    (mklist(1  +  m;f)  \msim{}  [f  0]  @  mklist(m;\mlambda{}i.(f  (1  +  i))))



Date html generated: 2019_06_20-PM-01_31_39
Last ObjectModification: 2019_02_06-PM-03_51_15

Theory : list_1


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