Nuprl Lemma : sbcode-mul
∀[m,n,k:ℕ+].  (sbcode(k * m;k * n) ~ sbcode(m;n))
Proof
Definitions occuring in Statement : 
sbcode: sbcode(m;n), 
nat_plus: ℕ+, 
uall: ∀[x:A]. B[x], 
multiply: n * m, 
sqequal: s ~ t
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
all: ∀x:A. B[x], 
nat: ℕ, 
implies: P ⇒ Q, 
false: False, 
ge: i ≥ j , 
uimplies: b supposing a, 
satisfiable_int_formula: satisfiable_int_formula(fmla), 
exists: ∃x:A. B[x], 
not: ¬A, 
top: Top, 
and: P ∧ Q, 
prop: ℙ, 
guard: {T}, 
int_seg: {i..j-}, 
lelt: i ≤ j < k, 
decidable: Dec(P), 
or: P ∨ Q, 
subtype_rel: A ⊆r B, 
le: A ≤ B, 
less_than': less_than'(a;b), 
so_lambda: λ2x.t[x], 
so_apply: x[s], 
sbcode: sbcode(m;n), 
sq_type: SQType(T), 
less_than: a < b, 
nat_plus: ℕ+, 
bool: 𝔹, 
unit: Unit, 
it: ⋅, 
btrue: tt, 
uiff: uiff(P;Q), 
true: True, 
squash: ↓T, 
bfalse: ff, 
bnot: ¬bb, 
ifthenelse: if b then t else f fi , 
assert: ↑b
Lemmas referenced : 
nat_properties, 
satisfiable-full-omega-tt, 
intformand_wf, 
intformle_wf, 
itermConstant_wf, 
itermVar_wf, 
intformless_wf, 
int_formula_prop_and_lemma, 
int_formula_prop_le_lemma, 
int_term_value_constant_lemma, 
int_term_value_var_lemma, 
int_formula_prop_less_lemma, 
int_formula_prop_wf, 
ge_wf, 
less_than_wf, 
nat_plus_wf, 
nat_wf, 
int_seg_wf, 
int_seg_properties, 
decidable__le, 
subtract_wf, 
intformnot_wf, 
itermSubtract_wf, 
int_formula_prop_not_lemma, 
int_term_value_subtract_lemma, 
decidable__equal_int, 
int_seg_subtype, 
false_wf, 
intformeq_wf, 
int_formula_prop_eq_lemma, 
le_wf, 
subtype_base_sq, 
list_wf, 
list_subtype_base, 
set_subtype_base, 
lelt_wf, 
int_subtype_base, 
decidable__lt, 
itermAdd_wf, 
int_term_value_add_lemma, 
nat_plus_subtype_nat, 
nat_plus_properties, 
sbcode_wf, 
lt_int_wf, 
bool_wf, 
eqtt_to_assert, 
assert_of_lt_int, 
top_wf, 
eqff_to_assert, 
equal_wf, 
bool_cases_sqequal, 
bool_subtype_base, 
assert-bnot, 
cons_wf, 
squash_wf, 
true_wf, 
itermMultiply_wf, 
int_term_value_mul_lemma, 
mul_preserves_le, 
mul_preserves_lt, 
nil_wf
Rules used in proof : 
cut, 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
thin, 
lambdaFormation, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
hypothesisEquality, 
hypothesis, 
setElimination, 
rename, 
intWeakElimination, 
natural_numberEquality, 
independent_isectElimination, 
dependent_pairFormation, 
lambdaEquality, 
int_eqEquality, 
intEquality, 
dependent_functionElimination, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
sqequalRule, 
independent_pairFormation, 
computeAll, 
independent_functionElimination, 
sqequalAxiom, 
because_Cache, 
productElimination, 
unionElimination, 
applyEquality, 
equalityTransitivity, 
equalitySymmetry, 
applyLambdaEquality, 
hypothesis_subsumption, 
dependent_set_memberEquality, 
instantiate, 
cumulativity, 
addEquality, 
multiplyEquality, 
equalityElimination, 
lessCases, 
imageMemberEquality, 
baseClosed, 
imageElimination, 
promote_hyp, 
universeEquality
Latex:
\mforall{}[m,n,k:\mBbbN{}\msupplus{}].    (sbcode(k  *  m;k  *  n)  \msim{}  sbcode(m;n))
Date html generated:
2018_05_21-PM-11_39_50
Last ObjectModification:
2017_07_26-PM-06_42_48
Theory : rationals
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