Nuprl Lemma : test-induction
∀[T:test-Obj() ⟶ TYPE]
  ((∀x:Atom. T[test-prog-obj(test-aprog(x))])
  
⇒ (∀x:test-foo(). (T[test-foo-obj(x)] 
⇒ T[test-prog-obj(test-iterate(x))]))
  
⇒ (∀x:test-prop(). (T[test-prop-obj(x)] 
⇒ T[test-prog-obj(test-test(x))]))
  
⇒ (∀x:Atom. T[test-foo-obj(test-afoo(x))])
  
⇒ (∀x:test-foo(). (T[test-foo-obj(x)] 
⇒ T[test-foo-obj(test-bar(x))]))
  
⇒ (∀x:test-prop(). ∀x1:test-prog().  (T[test-prop-obj(x)] 
⇒ T[test-prog-obj(x1)] 
⇒ T[test-foo-obj(test-xx(x;x1))]))
  
⇒ (∀x:Atom. T[test-prop-obj(test-aprop(x))])
  
⇒ T[test-prop-obj(test-false())]
  
⇒ (∀x,x1:test-prop().  (T[test-prop-obj(x)] 
⇒ T[test-prop-obj(x1)] 
⇒ T[test-prop-obj(test-implies(x;x1))]))
  
⇒ (∀x:test-prog(). ∀x1:test-prop().
        (T[test-prog-obj(x)] 
⇒ T[test-prop-obj(x1)] 
⇒ T[test-prop-obj(test-box(x;x1))]))
  
⇒ (∀x:test-foo(). ∀x1:test-prop().
        (T[test-foo-obj(x)] 
⇒ T[test-prop-obj(x1)] 
⇒ T[test-prop-obj(test-diamond(x;x1))]))
  
⇒ (∀x:test-Obj(). T[x]))
Proof
Definitions occuring in Statement : 
test-diamond: test-diamond(x1;x)
, 
test-box: test-box(x1;x)
, 
test-implies: test-implies(x1;x)
, 
test-false: test-false()
, 
test-aprop: test-aprop(x)
, 
test-xx: test-xx(x1;x)
, 
test-bar: test-bar(x)
, 
test-afoo: test-afoo(x)
, 
test-test: test-test(x)
, 
test-iterate: test-iterate(x)
, 
test-aprog: test-aprog(x)
, 
test-prop-obj: test-prop-obj(x)
, 
test-foo-obj: test-foo-obj(x)
, 
test-prog-obj: test-prog-obj(x)
, 
test-prop: test-prop()
, 
test-foo: test-foo()
, 
test-prog: test-prog()
, 
test-Obj: test-Obj()
, 
uall: ∀[x:A]. B[x]
, 
so_apply: x[s]
, 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
function: x:A ⟶ B[x]
, 
atom: Atom
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
implies: P 
⇒ Q
, 
all: ∀x:A. B[x]
, 
mrecind: mrecind(L;x.P[x])
, 
mkinds: mKinds
, 
eager-map: eager-map(f;as)
, 
list_ind: list_ind, 
test-Spec: test-Spec()
, 
cons: [a / b]
, 
pi1: fst(t)
, 
nil: []
, 
it: ⋅
, 
member: t ∈ T
, 
decidable: Dec(P)
, 
or: P ∨ Q
, 
uimplies: b supposing a
, 
sq_type: SQType(T)
, 
guard: {T}
, 
mrec-spec: mrec-spec(L;lbl;p)
, 
apply-alist: apply-alist(eq;L;x)
, 
ifthenelse: if b then t else f fi 
, 
atom-deq: AtomDeq
, 
eq_atom: x =a y
, 
btrue: tt
, 
pi2: snd(t)
, 
top: Top
, 
eqof: eqof(d)
, 
bool: 𝔹
, 
unit: Unit
, 
uiff: uiff(P;Q)
, 
and: P ∧ Q
, 
prec-arg-types: prec-arg-types(lbl,p.a[lbl; p];i;lbl)
, 
int_seg: {i..j-}
, 
lelt: i ≤ j < k
, 
not: ¬A
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
exists: ∃x:A. B[x]
, 
prop: ℙ
, 
false: False
, 
select: L[n]
, 
test-aprog: test-aprog(x)
, 
test-prog-obj: test-prog-obj(x)
, 
le: A ≤ B
, 
bfalse: ff
, 
bnot: ¬bb
, 
assert: ↑b
, 
mrec: mrec(L;i)
, 
nequal: a ≠ b ∈ T 
, 
select-tuple: x.n
, 
eq_int: (i =z j)
, 
subtract: n - m
, 
test-foo-obj: test-foo-obj(x)
, 
test-foo: test-foo()
, 
test-iterate: test-iterate(x)
, 
so_apply: x[s]
, 
test-prop-obj: test-prop-obj(x)
, 
test-prop: test-prop()
, 
test-test: test-test(x)
, 
less_than: a < b
, 
squash: ↓T
, 
less_than': less_than'(a;b)
, 
test-afoo: test-afoo(x)
, 
test-bar: test-bar(x)
, 
test-prog: test-prog()
, 
test-xx: test-xx(x1;x)
, 
test-aprop: test-aprop(x)
, 
test-false: test-false()
, 
test-implies: test-implies(x1;x)
, 
test-box: test-box(x1;x)
, 
test-diamond: test-diamond(x1;x)
, 
iff: P 
⇐⇒ Q
, 
so_lambda: λ2x.t[x]
, 
test-Obj: test-Obj()
Lemmas referenced : 
decidable__atom_equal, 
subtype_base_sq, 
atom_subtype_base, 
apply_alist_cons_lemma, 
istype-void, 
eq_atom_wf, 
eqtt_to_assert, 
assert_of_eq_atom, 
length_of_cons_lemma, 
length_of_nil_lemma, 
atomdeq_reduce_lemma, 
map_cons_lemma, 
map_nil_lemma, 
tupletype_cons_lemma, 
null_nil_lemma, 
tupletype_nil_lemma, 
decidable__le, 
full-omega-unsat, 
intformnot_wf, 
intformle_wf, 
itermConstant_wf, 
istype-int, 
int_formula_prop_not_lemma, 
int_formula_prop_le_lemma, 
int_term_value_constant_lemma, 
int_formula_prop_wf, 
decidable__lt, 
intformless_wf, 
int_formula_prop_less_lemma, 
istype-le, 
istype-less_than, 
int_seg_wf, 
decidable__equal_int, 
int_subtype_base, 
int_seg_properties, 
true_wf, 
int_seg_subtype_special, 
int_seg_cases, 
intformand_wf, 
itermVar_wf, 
int_formula_prop_and_lemma, 
int_term_value_var_lemma, 
eqff_to_assert, 
bool_cases_sqequal, 
bool_wf, 
bool_subtype_base, 
assert-bnot, 
neg_assert_of_eq_atom, 
test-foo-obj_wf, 
mrec_wf, 
test-Spec_wf, 
test-prop-obj_wf, 
length_wf, 
mrec-spec_wf, 
null_cons_lemma, 
test-prog-obj_wf, 
unit_wf2, 
cons_member, 
cons_wf, 
nil_wf, 
member_singleton, 
mkinds_wf, 
mrec_ind_wf, 
mobj_wf, 
test-Obj_wf, 
test-diamond_wf, 
test-prog_wf, 
test-box_wf, 
test-implies_wf, 
test-false_wf, 
test-aprop_wf, 
test-xx_wf, 
test-bar_wf, 
test-afoo_wf, 
test-prop_wf, 
test-test_wf, 
test-foo_wf, 
test-iterate_wf, 
istype-atom, 
test-aprog_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation_alt, 
lambdaFormation_alt, 
cut, 
thin, 
sqequalHypSubstitution, 
setElimination, 
rename, 
sqequalRule, 
hypothesis, 
introduction, 
extract_by_obid, 
dependent_functionElimination, 
hypothesisEquality, 
tokenEquality, 
unionElimination, 
instantiate, 
isectElimination, 
cumulativity, 
atomEquality, 
independent_isectElimination, 
because_Cache, 
independent_functionElimination, 
equalityTransitivity, 
equalitySymmetry, 
isect_memberEquality_alt, 
voidElimination, 
inhabitedIsType, 
equalityElimination, 
productElimination, 
dependent_set_memberEquality_alt, 
natural_numberEquality, 
independent_pairFormation, 
approximateComputation, 
dependent_pairFormation_alt, 
lambdaEquality_alt, 
universeIsType, 
productIsType, 
functionIsType, 
intEquality, 
hypothesis_subsumption, 
int_eqEquality, 
equalityIstype, 
promote_hyp, 
TYPEMemberIsType, 
applyEquality, 
imageElimination, 
setIsType, 
unionEquality, 
universeEquality, 
TYPEIsType
Latex:
\mforall{}[T:test-Obj()  {}\mrightarrow{}  TYPE]
    ((\mforall{}x:Atom.  T[test-prog-obj(test-aprog(x))])
    {}\mRightarrow{}  (\mforall{}x:test-foo().  (T[test-foo-obj(x)]  {}\mRightarrow{}  T[test-prog-obj(test-iterate(x))]))
    {}\mRightarrow{}  (\mforall{}x:test-prop().  (T[test-prop-obj(x)]  {}\mRightarrow{}  T[test-prog-obj(test-test(x))]))
    {}\mRightarrow{}  (\mforall{}x:Atom.  T[test-foo-obj(test-afoo(x))])
    {}\mRightarrow{}  (\mforall{}x:test-foo().  (T[test-foo-obj(x)]  {}\mRightarrow{}  T[test-foo-obj(test-bar(x))]))
    {}\mRightarrow{}  (\mforall{}x:test-prop().  \mforall{}x1:test-prog().
                (T[test-prop-obj(x)]  {}\mRightarrow{}  T[test-prog-obj(x1)]  {}\mRightarrow{}  T[test-foo-obj(test-xx(x;x1))]))
    {}\mRightarrow{}  (\mforall{}x:Atom.  T[test-prop-obj(test-aprop(x))])
    {}\mRightarrow{}  T[test-prop-obj(test-false())]
    {}\mRightarrow{}  (\mforall{}x,x1:test-prop().
                (T[test-prop-obj(x)]  {}\mRightarrow{}  T[test-prop-obj(x1)]  {}\mRightarrow{}  T[test-prop-obj(test-implies(x;x1))]))
    {}\mRightarrow{}  (\mforall{}x:test-prog().  \mforall{}x1:test-prop().
                (T[test-prog-obj(x)]  {}\mRightarrow{}  T[test-prop-obj(x1)]  {}\mRightarrow{}  T[test-prop-obj(test-box(x;x1))]))
    {}\mRightarrow{}  (\mforall{}x:test-foo().  \mforall{}x1:test-prop().
                (T[test-foo-obj(x)]  {}\mRightarrow{}  T[test-prop-obj(x1)]  {}\mRightarrow{}  T[test-prop-obj(test-diamond(x;x1))]))
    {}\mRightarrow{}  (\mforall{}x:test-Obj().  T[x]))
Date html generated:
2019_10_15-AM-10_51_24
Last ObjectModification:
2019_03_25-PM-01_46_34
Theory : tree_1
Home
Index