Nuprl Lemma : sd_ordered_char
∀s:QOSet. ∀us:|s| List.  sd_ordered(us) = HTFor{<𝔹,∧b>} v::vs ∈ us. ∀bw(:|s|) ∈ vs. (w <b v)
Proof
Definitions occuring in Statement : 
sd_ordered: sd_ordered(as), 
ball: ball, 
mon_htfor: HTFor{g} h::t ∈ as. f[h; t], 
list: T List, 
bool: 𝔹, 
all: ∀x:A. B[x], 
equal: s = t ∈ T, 
band_mon: <𝔹,∧b>, 
qoset: QOSet, 
set_blt: a <b b, 
set_car: |p|
Definitions unfolded in proof : 
all: ∀x:A. B[x], 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
qoset: QOSet, 
dset: DSet, 
so_lambda: λ2x.t[x], 
subtype_rel: A ⊆r B, 
so_lambda: λ2x y.t[x; y], 
so_apply: x[s], 
band_mon: <𝔹,∧b>, 
grp_car: |g|, 
pi1: fst(t), 
so_apply: x[s1;s2], 
implies: P ⇒ Q, 
top: Top, 
grp_id: e, 
pi2: snd(t), 
grp_op: *, 
infix_ap: x f y, 
prop: ℙ, 
squash: ↓T, 
bool: 𝔹, 
unit: Unit, 
it: ⋅, 
btrue: tt, 
band: p ∧b q, 
ifthenelse: if b then t else f fi , 
bfalse: ff, 
true: True, 
uimplies: b supposing a, 
guard: {T}, 
iff: P ⇐⇒ Q, 
and: P ∧ Q, 
rev_implies: P ⇐ Q, 
ball: ball, 
uiff: uiff(P;Q), 
or: P ∨ Q, 
assert: ↑b, 
cons: [a / b], 
cand: A c∧ B, 
rev_uimplies: rev_uimplies(P;Q)
Lemmas referenced : 
list_induction, 
set_car_wf, 
equal_wf, 
bool_wf, 
sd_ordered_wf, 
mon_htfor_wf, 
band_mon_wf, 
ball_wf, 
set_blt_wf, 
list_wf, 
sd_ordered_nil_lemma, 
mon_htfor_nil_lemma, 
btrue_wf, 
sd_ordered_cons_lemma, 
mon_htfor_cons_lemma, 
qoset_wf, 
squash_wf, 
true_wf, 
before_wf, 
band_wf, 
iff_weakening_equal, 
iff_imp_equal_bool, 
assert_wf, 
assert_of_band, 
iff_wf, 
list-cases, 
ball_nil_lemma, 
nil_wf, 
product_subtype_list, 
ball_cons_lemma, 
cons_wf, 
before_cons_lemma, 
iff_transitivity, 
assert_of_set_lt, 
set_lt_wf, 
iff_weakening_uiff, 
assert_functionality_wrt_uiff, 
ball_char, 
mem_wf, 
set_lt_transitivity_2, 
set_leq_weakening_lt, 
before_nil_lemma, 
mem_cons_lemma, 
bor_wf, 
set_eq_wf, 
or_wf, 
assert_of_bor, 
assert_of_dset_eq
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation, 
cut, 
thin, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
setElimination, 
rename, 
because_Cache, 
hypothesis, 
sqequalRule, 
lambdaEquality, 
dependent_functionElimination, 
hypothesisEquality, 
applyEquality, 
independent_functionElimination, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
imageElimination, 
equalityTransitivity, 
equalitySymmetry, 
universeEquality, 
equalityUniverse, 
levelHypothesis, 
unionElimination, 
equalityElimination, 
natural_numberEquality, 
imageMemberEquality, 
baseClosed, 
independent_isectElimination, 
productElimination, 
independent_pairFormation, 
productEquality, 
addLevel, 
impliesFunctionality, 
promote_hyp, 
hypothesis_subsumption, 
orFunctionality, 
inlFormation
Latex:
\mforall{}s:QOSet.  \mforall{}us:|s|  List.    sd\_ordered(us)  =  HTFor\{<\mBbbB{},\mwedge{}\msubb{}>\}  v::vs  \mmember{}  us.  \mforall{}\msubb{}w(:|s|)  \mmember{}  vs.  (w  <\msubb{}  v)
Date html generated:
2017_10_01-AM-10_01_32
Last ObjectModification:
2017_03_03-PM-01_04_08
Theory : polynom_2
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