Nuprl Lemma : all_fset_elim
∀s:DSet. ∀F:MSet{s} ⟶ ℙ.
  ((∀a:FiniteSet{s}. SqStable(F[a])) 
⇒ (∀a:FiniteSet{s}. F[a] 
⇐⇒ ∀a:DisList{s}. F[mk_mset(a)]))
Proof
Definitions occuring in Statement : 
finite_set: FiniteSet{s}
, 
mk_mset: mk_mset(as)
, 
mset: MSet{s}
, 
dislist: DisList{s}
, 
sq_stable: SqStable(P)
, 
prop: ℙ
, 
so_apply: x[s]
, 
all: ∀x:A. B[x]
, 
iff: P 
⇐⇒ Q
, 
implies: P 
⇒ Q
, 
function: x:A ⟶ B[x]
, 
dset: DSet
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
iff: P 
⇐⇒ Q
, 
and: P ∧ Q
, 
member: t ∈ T
, 
prop: ℙ
, 
uall: ∀[x:A]. B[x]
, 
so_lambda: λ2x.t[x]
, 
so_apply: x[s]
, 
finite_set: FiniteSet{s}
, 
rev_implies: P 
⇐ Q
, 
dislist: DisList{s}
, 
sq_stable: SqStable(P)
, 
dset: DSet
, 
subtype_rel: A ⊆r B
, 
nat: ℕ
, 
squash: ↓T
, 
mset: MSet{s}
, 
quotient: x,y:A//B[x; y]
, 
so_lambda: λ2x y.t[x; y]
, 
so_apply: x[s1;s2]
, 
uimplies: b supposing a
, 
mk_mset: mk_mset(as)
, 
mset_count: x #∈ a
Lemmas referenced : 
dislist_wf, 
all_wf, 
finite_set_wf, 
mset_wf, 
mk_mset_wf, 
sq_stable_wf, 
dset_wf, 
mk_mset_wf2, 
sq_stable__all, 
set_car_wf, 
le_wf, 
mset_count_wf, 
nat_wf, 
squash_wf, 
sq_stable__squash, 
list_wf, 
subtype_quotient, 
permr_wf, 
permr_equiv_rel, 
equal_wf, 
equal-wf-base, 
count_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation, 
independent_pairFormation, 
cut, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
dependent_functionElimination, 
thin, 
hypothesisEquality, 
hypothesis, 
isectElimination, 
sqequalRule, 
lambdaEquality, 
applyEquality, 
functionExtensionality, 
setElimination, 
rename, 
functionEquality, 
cumulativity, 
universeEquality, 
independent_functionElimination, 
natural_numberEquality, 
because_Cache, 
imageElimination, 
imageMemberEquality, 
baseClosed, 
pointwiseFunctionalityForEquality, 
pertypeElimination, 
productElimination, 
equalityTransitivity, 
equalitySymmetry, 
independent_isectElimination, 
productEquality, 
dependent_set_memberEquality
Latex:
\mforall{}s:DSet.  \mforall{}F:MSet\{s\}  {}\mrightarrow{}  \mBbbP{}.
    ((\mforall{}a:FiniteSet\{s\}.  SqStable(F[a]))  {}\mRightarrow{}  (\mforall{}a:FiniteSet\{s\}.  F[a]  \mLeftarrow{}{}\mRightarrow{}  \mforall{}a:DisList\{s\}.  F[mk\_mset(a)]))
Date html generated:
2017_10_01-AM-09_59_03
Last ObjectModification:
2017_03_03-PM-01_00_18
Theory : mset
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