Nuprl Lemma : ring_term_polynomial

∀r:CRng. ∀t:int_term().  ipolynomial-term(int_term_to_ipoly(t)) ≡ t


Proof




Definitions occuring in Statement :  ringeq_int_terms: t1 ≡ t2,  crng: CRng,  int_term_to_ipoly: int_term_to_ipoly(t),  ipolynomial-term: ipolynomial-term(p),  int_term: int_term(),  all: ∀x:A. B[x]
Definitions unfolded in proof :  all: ∀x:A. B[x],  uall: ∀[x:A]. B[x],  so_lambda: λ2x.t[x],  member: t ∈ T,  subtype_rel: A ⊆r B,  iPolynomial: iPolynomial(),  crng: CRng,  so_apply: x[s],  implies: P ⇒ Q,  int_term_to_ipoly: int_term_to_ipoly(t),  itermConstant: "const",  int_term_ind: int_term_ind,  itermVar: vvar,  itermAdd: left (+) right,  prop: ℙ,  itermSubtract: left (-) right,  itermMultiply: left (*) right,  itermMinus: "-"num,  guard: {T},  decidable: Dec(P),  or: P ∨ Q,  uimplies: b supposing a,  sq_type: SQType(T),  false: False,  not: ¬A,  ringeq_int_terms: t1 ≡ t2,  ring_term_value: ring_term_value(f;t),  ipolynomial-term: ipolynomial-term(p),  ifthenelse: if b then t else f fi ,  null: null(as),  nil: [],  it: ⋅,  btrue: tt,  int-to-ring: int-to-ring(r;n),  lt_int: i <z j,  bfalse: ff,  rng_nat_op: n ⋅r e,  mon_nat_op: n ⋅ e,  nat_op: n x(op;id) e,  itop: Π(op,id) lb ≤ i < ub. E[i],  ycomb: Y,  grp_id: e,  pi1: fst(t),  pi2: snd(t),  add_grp_of_rng: r↓+gp,  rng_zero: 0,  rng: Rng,  top: Top,  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2],  imonomial-term: imonomial-term(m),  true: True,  and: P ∧ Q,  squash: ↓T,  infix_ap: x f y,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  uiff: uiff(P;Q),  rev_uimplies: rev_uimplies(P;Q)
Lemmas referenced :  int_term-induction,  ringeq_int_terms_wf,  ipolynomial-term_wf,  int_term_to_ipoly_wf,  iPolynomial_wf,  int_term_wf,  crng_wf,  decidable__equal_int,  subtype_base_sq,  int_subtype_base,  ring_term_value_wf,  itermConstant_wf,  rng_car_wf,  null_cons_lemma,  spread_cons_lemma,  list_accum_nil_lemma,  list_accum_cons_lemma,  ring_term_value_mul_lemma,  ring_term_value_const_lemma,  ring_term_value_var_lemma,  rng_times_wf,  rng_times_one,  equal_wf,  squash_wf,  true_wf,  int-to-ring-one,  subtype_rel_self,  iff_weakening_equal,  add-ipoly-ringeq,  add_ipoly_wf,  itermAdd_wf,  add-ipoly_wf1,  uiff_transitivity,  add_ipoly-sq,  ringeq_int_terms_functionality,  ringeq_int_terms_weakening,  itermAdd_functionality_wrt_ringeq,  minus-poly-ringeq,  minus-poly_wf,  itermSubtract_wf,  itermMinus_wf,  ring_term_value_add_lemma,  ring_term_value_minus_lemma,  ring_term_value_sub_lemma,  rng_plus_wf,  rng_minus_wf,  ringeq_int_terms_transitivity,  itermMinus_functionality_wrt_ringeq,  mul-ipoly-ringeq,  mul_ipoly_wf,  itermMultiply_wf,  mul-ipoly_wf,  mul_poly-sq,  itermMultiply_functionality_wrt_ringeq
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  cut,  introduction,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  sqequalRule,  lambdaEquality,  hypothesisEquality,  hypothesis,  applyEquality,  setElimination,  rename,  independent_functionElimination,  intEquality,  because_Cache,  dependent_functionElimination,  natural_numberEquality,  unionElimination,  instantiate,  cumulativity,  independent_isectElimination,  int_eqReduceFalseSq,  functionEquality,  isect_memberEquality,  voidElimination,  voidEquality,  productElimination,  imageElimination,  equalityTransitivity,  equalitySymmetry,  universeEquality,  imageMemberEquality,  baseClosed

Latex:
\mforall{}r:CRng.  \mforall{}t:int\_term().    ipolynomial-term(int\_term\_to\_ipoly(t))  \mequiv{}  t



Date html generated: 2018_05_21-PM-03_17_24
Last ObjectModification: 2018_05_19-AM-08_08_35

Theory : rings_1


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