Nuprl Lemma : mul-monomials-ringeq

∀[r:CRng]. ∀[m1,m2:iMonomial()].  imonomial-term(mul-monomials(m1;m2)) ≡ imonomial-term(m1) (*) imonomial-term(m2)


Proof




Definitions occuring in Statement :  ringeq_int_terms: t1 ≡ t2,  crng: CRng,  mul-monomials: mul-monomials(m1;m2),  imonomial-term: imonomial-term(m),  iMonomial: iMonomial(),  itermMultiply: left (*) right,  uall: ∀[x:A]. B[x]
Definitions unfolded in proof :  iMonomial: iMonomial(),  mul-monomials: mul-monomials(m1;m2),  has-value: (a)↓,  uall: ∀[x:A]. B[x],  member: t ∈ T,  uimplies: b supposing a,  int_nzero: ℤ-o,  ringeq_int_terms: t1 ≡ t2,  all: ∀x:A. B[x],  top: Top,  crng: CRng,  rng: Rng,  true: True,  squash: ↓T,  prop: ℙ,  infix_ap: x f y,  subtype_rel: A ⊆r B,  guard: {T},  iff: P ⇐⇒ Q,  and: P ∧ Q,  rev_implies: P ⇐ Q,  implies: P ⇒ Q,  so_lambda: λ2x.t[x],  so_apply: x[s],  merge-int: merge-int(as;bs),  imonomial-term: imonomial-term(m),  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2],  ring_term_value: ring_term_value(f;t),  insert-int: insert-int(x;l),  so_lambda: so_lambda(x,y,z.t[x; y; z]),  so_apply: x[s1;s2;s3],  itermConstant: "const",  int_term_ind: int_term_ind,  itermMultiply: left (*) right,  itermVar: vvar,  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  uiff: uiff(P;Q),  less_than: a < b,  less_than': less_than'(a;b),  not: ¬A,  false: False,  bfalse: ff,  exists: ∃x:A. B[x],  or: P ∨ Q,  sq_type: SQType(T),  bnot: ¬bb,  ifthenelse: if b then t else f fi ,  assert: ↑b
Lemmas referenced :  value-type-has-value,  int-value-type,  list_wf,  list-value-type,  merge-int-accum_wf,  ring_term_value_mul_lemma,  rng_car_wf,  rng_times_wf,  iMonomial_wf,  crng_wf,  equal_wf,  squash_wf,  true_wf,  imonomial-term-linear-ringeq,  subtype_rel_self,  iff_weakening_equal,  merge-int-accum-sq,  int-to-ring_wf,  ring_term_value_wf,  imonomial-term_wf,  list_induction,  all_wf,  merge-int_wf,  infix_ap_wf,  reduce_nil_lemma,  list_accum_nil_lemma,  ring_term_value_const_lemma,  list_accum_wf,  int_term_wf,  itermConstant_wf,  itermMultiply_wf,  itermVar_wf,  rng_times_one,  int-to-ring-one,  reduce_cons_lemma,  insert-int_wf,  cons_wf,  list_ind_nil_lemma,  list_accum_cons_lemma,  crng_times_comm,  list_ind_cons_lemma,  lt_int_wf,  bool_wf,  eqtt_to_assert,  assert_of_lt_int,  top_wf,  less_than_wf,  eqff_to_assert,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  imonomial-cons-ringeq,  crng_times_ac_1,  int-to-ring-mul,  rng_times_assoc
Rules used in proof :  sqequalHypSubstitution,  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  productElimination,  thin,  sqequalRule,  callbyvalueReduce,  cut,  introduction,  extract_by_obid,  isectElimination,  intEquality,  independent_isectElimination,  hypothesis,  multiplyEquality,  setElimination,  rename,  hypothesisEquality,  lambdaFormation,  dependent_functionElimination,  isect_memberEquality,  voidElimination,  voidEquality,  functionEquality,  because_Cache,  natural_numberEquality,  isect_memberFormation,  lambdaEquality,  axiomEquality,  applyEquality,  imageElimination,  equalityTransitivity,  equalitySymmetry,  universeEquality,  imageMemberEquality,  baseClosed,  instantiate,  independent_functionElimination,  independent_pairEquality,  functionExtensionality,  unionElimination,  equalityElimination,  lessCases,  sqequalAxiom,  independent_pairFormation,  dependent_pairFormation,  promote_hyp,  cumulativity,  equalityUniverse,  levelHypothesis

Latex:
\mforall{}[r:CRng].  \mforall{}[m1,m2:iMonomial()].
    imonomial-term(mul-monomials(m1;m2))  \mequiv{}  imonomial-term(m1)  (*)  imonomial-term(m2)



Date html generated: 2018_05_21-PM-03_17_03
Last ObjectModification: 2018_05_19-AM-08_08_12

Theory : rings_1


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