Nuprl Lemma : trivial-subterm

∀[opr:Type]. ∀f:opr. ∀bts:bound-term(opr) List. ∀i:ℕ||bts||.  snd(bts[i]) << mkterm(f;bts)


Proof




Definitions occuring in Statement :  subterm: s << t,  bound-term: bound-term(opr),  mkterm: mkterm(opr;bts),  select: L[n],  length: ||as||,  list: T List,  int_seg: {i..j-},  uall: ∀[x:A]. B[x],  pi2: snd(t),  all: ∀x:A. B[x],  natural_number: $n,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x],  member: t ∈ T,  int_seg: {i..j-},  uimplies: b supposing a,  lelt: i ≤ j < k,  and: P ∧ Q,  le: A ≤ B,  less_than: a < b,  squash: ↓T,  decidable: Dec(P),  or: P ∨ Q,  not: ¬A,  implies: P ⇒ Q,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  false: False,  prop: ℙ,  bound-term: bound-term(opr),  pi2: snd(t),  immediate-subterm: s < t,  cand: A c∧ B
Lemmas referenced :  immediate-is-subterm,  select_wf,  bound-term_wf,  int_seg_properties,  decidable__le,  full-omega-unsat,  intformand_wf,  intformnot_wf,  intformle_wf,  itermConstant_wf,  itermVar_wf,  istype-int,  int_formula_prop_and_lemma,  int_formula_prop_not_lemma,  int_formula_prop_le_lemma,  int_term_value_constant_lemma,  int_term_value_var_lemma,  int_formula_prop_wf,  decidable__lt,  length_wf,  intformless_wf,  int_formula_prop_less_lemma,  mkterm_wf,  term_wf,  int_seg_wf,  list_wf,  istype-universe
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  lambdaFormation_alt,  cut,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  dependent_functionElimination,  hypothesis,  setElimination,  rename,  because_Cache,  independent_isectElimination,  productElimination,  imageElimination,  natural_numberEquality,  unionElimination,  approximateComputation,  independent_functionElimination,  dependent_pairFormation_alt,  lambdaEquality_alt,  int_eqEquality,  Error :memTop,  sqequalRule,  independent_pairFormation,  universeIsType,  voidElimination,  inhabitedIsType,  equalityIstype,  equalityTransitivity,  equalitySymmetry,  productIsType,  instantiate,  universeEquality

Latex:
\mforall{}[opr:Type].  \mforall{}f:opr.  \mforall{}bts:bound-term(opr)  List.  \mforall{}i:\mBbbN{}||bts||.    snd(bts[i])  <<  mkterm(f;bts)



Date html generated: 2020_05_19-PM-09_54_17
Last ObjectModification: 2020_03_10-PM-01_46_13

Theory : terms


Home Index