Nuprl Lemma : sub-bag-rep
∀[T:Type]. ∀x:T. ∀n,m:ℕ.  uiff(sub-bag(T;bag-rep(n;x);bag-rep(m;x));n ≤ m)
Proof
Definitions occuring in Statement : 
sub-bag: sub-bag(T;as;bs), 
bag-rep: bag-rep(n;x), 
nat: ℕ, 
uiff: uiff(P;Q), 
uall: ∀[x:A]. B[x], 
le: A ≤ B, 
all: ∀x:A. B[x], 
universe: Type
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x], 
all: ∀x:A. B[x], 
uiff: uiff(P;Q), 
and: P ∧ Q, 
uimplies: b supposing a, 
member: t ∈ T, 
le: A ≤ B, 
not: ¬A, 
implies: P ⇒ Q, 
false: False, 
nat: ℕ, 
prop: ℙ, 
subtype_rel: A ⊆r B, 
sub-bag: sub-bag(T;as;bs), 
exists: ∃x:A. B[x], 
squash: ↓T, 
true: True, 
guard: {T}, 
iff: P ⇐⇒ Q, 
rev_implies: P ⇐ Q, 
top: Top, 
ge: i ≥ j , 
decidable: Dec(P), 
or: P ∨ Q, 
satisfiable_int_formula: satisfiable_int_formula(fmla), 
subtract: n - m
Lemmas referenced : 
less_than'_wf, 
sub-bag_wf, 
bag-rep_wf, 
list-subtype-bag, 
le_wf, 
nat_wf, 
equal_wf, 
squash_wf, 
true_wf, 
bag-size_wf, 
bag_wf, 
iff_weakening_equal, 
nat_properties, 
decidable__le, 
satisfiable-full-omega-tt, 
intformand_wf, 
intformle_wf, 
itermConstant_wf, 
itermVar_wf, 
intformnot_wf, 
intformeq_wf, 
itermAdd_wf, 
int_formula_prop_and_lemma, 
int_formula_prop_le_lemma, 
int_term_value_constant_lemma, 
int_term_value_var_lemma, 
int_formula_prop_not_lemma, 
int_formula_prop_eq_lemma, 
int_term_value_add_lemma, 
int_formula_prop_wf, 
bag-size-rep, 
bag-size-append, 
subtract_wf, 
itermSubtract_wf, 
int_term_value_subtract_lemma, 
bag-append_wf, 
bag-rep-add, 
minus-one-mul, 
add-swap, 
minus-one-mul-top, 
add-mul-special, 
zero-mul, 
add-zero
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
lambdaFormation, 
independent_pairFormation, 
introduction, 
cut, 
sqequalRule, 
sqequalHypSubstitution, 
productElimination, 
thin, 
independent_pairEquality, 
lambdaEquality, 
dependent_functionElimination, 
hypothesisEquality, 
voidElimination, 
extract_by_obid, 
isectElimination, 
setElimination, 
rename, 
hypothesis, 
axiomEquality, 
equalityTransitivity, 
equalitySymmetry, 
cumulativity, 
applyEquality, 
because_Cache, 
independent_isectElimination, 
universeEquality, 
imageElimination, 
intEquality, 
natural_numberEquality, 
imageMemberEquality, 
baseClosed, 
independent_functionElimination, 
isect_memberEquality, 
voidEquality, 
unionElimination, 
applyLambdaEquality, 
dependent_pairFormation, 
int_eqEquality, 
computeAll, 
dependent_set_memberEquality, 
minusEquality
Latex:
\mforall{}[T:Type].  \mforall{}x:T.  \mforall{}n,m:\mBbbN{}.    uiff(sub-bag(T;bag-rep(n;x);bag-rep(m;x));n  \mleq{}  m)
Date html generated:
2017_10_01-AM-08_52_59
Last ObjectModification:
2017_07_26-PM-04_34_23
Theory : bags
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