Nuprl Lemma : mul-monomials-equiv

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


Proof




Definitions occuring in Statement :  mul-monomials: mul-monomials(m1;m2),  imonomial-term: imonomial-term(m),  iMonomial: iMonomial(),  equiv_int_terms: t1 ≡ t2,  itermMultiply: left (*) right,  uall: ∀[x:A]. B[x]
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  iMonomial: iMonomial(),  mul-monomials: mul-monomials(m1;m2),  has-value: (a)↓,  uimplies: b supposing a,  int_nzero: ℤ-o,  equiv_int_terms: t1 ≡ t2,  all: ∀x:A. B[x],  int_term_value: int_term_value(f;t),  itermMultiply: left (*) right,  int_term_ind: int_term_ind,  true: True,  squash: ↓T,  prop: ℙ,  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),  top: Top,  imonomial-term: imonomial-term(m),  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2],  itermConstant: "const",  insert-int: insert-int(x;l),  so_lambda: so_lambda(x,y,z.t[x; y; z]),  so_apply: x[s1;s2;s3],  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  uiff: uiff(P;Q),  ifthenelse: if b then t else f fi ,  bfalse: ff,  exists: ∃x:A. B[x],  or: P ∨ Q,  sq_type: SQType(T),  bnot: ¬bb,  assert: ↑b,  false: False,  not: ¬A
Lemmas referenced :  value-type-has-value,  int-value-type,  list_wf,  list-value-type,  merge-int-accum_wf,  merge-int-accum-sq,  iMonomial_wf,  merge-int_wf,  subtype_rel_self,  equal_wf,  squash_wf,  true_wf,  imonomial-term-linear,  iff_weakening_equal,  list_induction,  all_wf,  int_term_value_wf,  imonomial-term_wf,  reduce_nil_lemma,  list_accum_nil_lemma,  mul-commutes,  one-mul,  reduce_cons_lemma,  insert-int_wf,  imonomial-cons,  list_ind_nil_lemma,  nil_wf,  mul-associates,  mul-swap,  insert-int-cons,  lt_int_wf,  bool_wf,  eqtt_to_assert,  assert_of_lt_int,  eqff_to_assert,  bool_cases_sqequal,  subtype_base_sq,  bool_subtype_base,  assert-bnot,  less_than_wf,  cons_wf,  int_subtype_base,  int_nzero_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalHypSubstitution,  productElimination,  thin,  sqequalRule,  callbyvalueReduce,  extract_by_obid,  isectElimination,  intEquality,  independent_isectElimination,  hypothesis,  multiplyEquality,  setElimination,  rename,  hypothesisEquality,  lambdaEquality,  dependent_functionElimination,  axiomEquality,  functionEquality,  isect_memberEquality,  because_Cache,  lambdaFormation,  natural_numberEquality,  applyEquality,  imageElimination,  equalityTransitivity,  equalitySymmetry,  universeEquality,  imageMemberEquality,  baseClosed,  independent_functionElimination,  functionExtensionality,  independent_pairEquality,  voidElimination,  voidEquality,  unionElimination,  equalityElimination,  dependent_pairFormation,  promote_hyp,  instantiate,  cumulativity,  equalityUniverse,  levelHypothesis

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



Date html generated: 2017_09_29-PM-05_53_19
Last ObjectModification: 2017_07_26-PM-01_42_46

Theory : omega


Home Index