Nuprl Lemma : merge-int-lex
∀cs,as,bs:ℤ List.  ((↑as ≤_lex bs) 
⇒ (↑merge-int(as;cs) ≤_lex merge-int(bs;cs)))
Proof
Definitions occuring in Statement : 
intlex: l1 ≤_lex l2
, 
merge-int: merge-int(as;bs)
, 
list: T List
, 
assert: ↑b
, 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
int: ℤ
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
so_lambda: λ2x.t[x]
, 
implies: P 
⇒ Q
, 
prop: ℙ
, 
uimplies: b supposing a
, 
so_apply: x[s]
, 
merge-int: merge-int(as;bs)
, 
top: Top
Lemmas referenced : 
list_induction, 
all_wf, 
list_wf, 
assert_wf, 
intlex_wf, 
merge-int_wf, 
subtype_rel_self, 
reduce_nil_lemma, 
reduce_cons_lemma, 
insert-int-lex
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation, 
cut, 
thin, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
intEquality, 
sqequalRule, 
lambdaEquality, 
hypothesis, 
because_Cache, 
functionEquality, 
hypothesisEquality, 
independent_isectElimination, 
independent_functionElimination, 
dependent_functionElimination, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
rename
Latex:
\mforall{}cs,as,bs:\mBbbZ{}  List.    ((\muparrow{}as  \mleq{}\_lex  bs)  {}\mRightarrow{}  (\muparrow{}merge-int(as;cs)  \mleq{}\_lex  merge-int(bs;cs)))
Date html generated:
2016_05_14-AM-06_50_24
Last ObjectModification:
2015_12_26-PM-00_23_17
Theory : list_0
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