Nuprl Lemma : reg-seq-mul-assoc
∀x,y,z:ℝ.  bdd-diff(reg-seq-mul(reg-seq-mul(x;y);z);reg-seq-mul(x;reg-seq-mul(y;z)))
Proof
Definitions occuring in Statement : 
reg-seq-mul: reg-seq-mul(x;y)
, 
real: ℝ
, 
bdd-diff: bdd-diff(f;g)
, 
all: ∀x:A. B[x]
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
reg-seq-mul: reg-seq-mul(x;y)
, 
bdd-diff: bdd-diff(f;g)
, 
exists: ∃x:A. B[x]
, 
member: t ∈ T
, 
nat: ℕ
, 
uall: ∀[x:A]. B[x]
, 
subtype_rel: A ⊆r B
, 
le: A ≤ B
, 
and: P ∧ Q
, 
less_than': less_than'(a;b)
, 
false: False
, 
not: ¬A
, 
implies: P 
⇒ Q
, 
prop: ℙ
, 
int_upper: {i...}
, 
so_lambda: λ2x.t[x]
, 
real: ℝ
, 
nat_plus: ℕ+
, 
so_apply: x[s]
, 
uimplies: b supposing a
, 
guard: {T}
, 
ge: i ≥ j 
, 
decidable: Dec(P)
, 
or: P ∨ Q
, 
uiff: uiff(P;Q)
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
top: Top
, 
nequal: a ≠ b ∈ T 
, 
squash: ↓T
, 
true: True
, 
iff: P 
⇐⇒ Q
, 
rev_implies: P 
⇐ Q
, 
int_nzero: ℤ-o
, 
sq_stable: SqStable(P)
, 
rev_uimplies: rev_uimplies(P;Q)
, 
subtract: n - m
, 
sq_type: SQType(T)
, 
less_than: a < b
, 
cand: A c∧ B
Lemmas referenced : 
imax_wf, 
canonical-bound_wf, 
add_nat_wf, 
multiply_nat_wf, 
false_wf, 
le_wf, 
imax_nat, 
int_upper_wf, 
all_wf, 
nat_plus_wf, 
absval_wf, 
nat_wf, 
subtype_rel_set, 
int_upper_subtype_nat, 
nat_properties, 
decidable__le, 
add-is-int-iff, 
multiply-is-int-iff, 
satisfiable-full-omega-tt, 
intformand_wf, 
intformnot_wf, 
intformle_wf, 
itermConstant_wf, 
itermVar_wf, 
itermAdd_wf, 
itermMultiply_wf, 
intformeq_wf, 
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_term_value_add_lemma, 
int_term_value_mul_lemma, 
int_formula_prop_eq_lemma, 
int_formula_prop_wf, 
equal_wf, 
mul_cancel_in_le, 
subtract_wf, 
nat_plus_properties, 
intformless_wf, 
int_formula_prop_less_lemma, 
absval_nat_plus, 
equal-wf-T-base, 
squash_wf, 
true_wf, 
absval_mul, 
iff_weakening_equal, 
equal-wf-base, 
real_wf, 
nequal_wf, 
left_mul_subtract_distrib, 
div_rem_sum2, 
rem_bounds_absval, 
int_subtype_base, 
less_than_wf, 
set_wf, 
sq_stable__less_than, 
le_functionality, 
le_weakening, 
add_functionality_wrt_le, 
int-triangle-inequality, 
minus-add, 
minus-minus, 
add-associates, 
minus-one-mul, 
mul-commutes, 
add-swap, 
add-commutes, 
mul_assoc, 
subtype_base_sq, 
decidable__equal_int, 
mul-distributes-right, 
mul-associates, 
mul-distributes, 
mul-swap, 
one-mul, 
add-mul-special, 
zero-mul, 
zero-add, 
itermMinus_wf, 
int_term_value_minus_lemma, 
add_functionality_wrt_eq, 
absval_sym, 
multiply_functionality_wrt_le, 
sq_stable__le, 
nat_plus_subtype_nat, 
absval_pos, 
imax_ub, 
int_upper_properties, 
mul_preserves_le
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation, 
sqequalRule, 
dependent_pairFormation, 
dependent_set_memberEquality, 
addEquality, 
multiplyEquality, 
natural_numberEquality, 
cut, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
hypothesisEquality, 
hypothesis, 
applyEquality, 
because_Cache, 
independent_pairFormation, 
lambdaEquality, 
setElimination, 
rename, 
setEquality, 
independent_isectElimination, 
equalityTransitivity, 
equalitySymmetry, 
applyLambdaEquality, 
dependent_functionElimination, 
unionElimination, 
pointwiseFunctionality, 
promote_hyp, 
baseApply, 
closedConclusion, 
baseClosed, 
productElimination, 
int_eqEquality, 
intEquality, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
computeAll, 
independent_functionElimination, 
divideEquality, 
imageElimination, 
imageMemberEquality, 
universeEquality, 
remainderEquality, 
minusEquality, 
instantiate, 
cumulativity, 
inlFormation, 
inrFormation
Latex:
\mforall{}x,y,z:\mBbbR{}.    bdd-diff(reg-seq-mul(reg-seq-mul(x;y);z);reg-seq-mul(x;reg-seq-mul(y;z)))
Date html generated:
2017_10_02-PM-07_14_56
Last ObjectModification:
2017_07_28-AM-07_20_17
Theory : reals
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