Nuprl Lemma : lpath-members-connected
∀[p:IdLnk List]. ∀[i:ℕ||p||]. ∀[j:ℕi + 1].  lconnects(l_interval(p;j;i);source(p[j]);source(p[i])) supposing lpath(p)
Proof
Definitions occuring in Statement : 
lconnects: lconnects(p;i;j)
, 
lpath: lpath(p)
, 
lsrc: source(l)
, 
IdLnk: IdLnk
, 
l_interval: l_interval(l;j;i)
, 
select: L[n]
, 
length: ||as||
, 
list: T List
, 
int_seg: {i..j-}
, 
uimplies: b supposing a
, 
uall: ∀[x:A]. B[x]
, 
add: n + m
, 
natural_number: $n
Lemmas : 
length_l_interval, 
int_seg_wf, 
subtract_wf, 
length_wf, 
IdLnk_wf, 
l_interval_wf, 
Id_wf, 
lelt_wf, 
general_add_assoc, 
ldst_wf, 
squash_wf, 
true_wf, 
select_l_interval, 
lsrc_wf, 
iff_weakening_equal, 
not_wf, 
equal_wf, 
lnk-inv_wf, 
equal-wf-T-base, 
select_wf, 
hd_l_interval, 
subtype_base_sq, 
int_subtype_base, 
last_l_interval, 
add-associates, 
add-swap, 
add-commutes, 
zero-add, 
le_wf, 
less_than_wf, 
list_wf, 
and_wf
\mforall{}[p:IdLnk  List].  \mforall{}[i:\mBbbN{}||p||].  \mforall{}[j:\mBbbN{}i  +  1].
    lconnects(l\_interval(p;j;i);source(p[j]);source(p[i]))  supposing  lpath(p)
Date html generated:
2015_07_17-AM-09_12_38
Last ObjectModification:
2015_02_04-PM-05_08_25
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