Nuprl Lemma : rev-append-property-top-sqle
∀[as,bs,cs:Top].  (rev(as) + bs @ cs ≤ rev(as) + bs @ cs)
Proof
Definitions occuring in Statement : 
rev-append: rev(as) + bs
, 
append: as @ bs
, 
uall: ∀[x:A]. B[x]
, 
top: Top
, 
sqle: s ≤ t
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
rev-append: rev(as) + bs
, 
append: as @ bs
, 
list_accum: list_accum, 
list_ind: list_ind, 
nat: ℕ
, 
implies: P 
⇒ Q
, 
false: False
, 
ge: i ≥ j 
, 
uimplies: b supposing a
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
exists: ∃x:A. B[x]
, 
not: ¬A
, 
all: ∀x:A. B[x]
, 
top: Top
, 
and: P ∧ Q
, 
prop: ℙ
, 
decidable: Dec(P)
, 
or: P ∨ Q
, 
nat_plus: ℕ+
, 
has-value: (a)↓
, 
subtype_rel: A ⊆r B
, 
cons: [a / b]
Lemmas referenced : 
has-value-implies-dec-isaxiom-2, 
is-exception_wf, 
has-value_wf_base, 
top_wf, 
has-value-implies-dec-ispair-2, 
fun_exp_unroll_1, 
int_term_value_subtract_lemma, 
int_formula_prop_not_lemma, 
itermSubtract_wf, 
intformnot_wf, 
subtract_wf, 
decidable__le, 
bottom-sqle, 
strictness-apply, 
fun_exp0_lemma, 
base_wf, 
less_than_wf, 
ge_wf, 
int_formula_prop_wf, 
int_formula_prop_less_lemma, 
int_term_value_var_lemma, 
int_term_value_constant_lemma, 
int_formula_prop_le_lemma, 
int_formula_prop_and_lemma, 
intformless_wf, 
itermVar_wf, 
itermConstant_wf, 
intformle_wf, 
intformand_wf, 
satisfiable-full-omega-tt, 
nat_properties
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
sqleRule, 
thin, 
fixpointLeast, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
hypothesisEquality, 
hypothesis, 
setElimination, 
rename, 
intWeakElimination, 
lambdaFormation, 
natural_numberEquality, 
independent_isectElimination, 
dependent_pairFormation, 
lambdaEquality, 
int_eqEquality, 
intEquality, 
dependent_functionElimination, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
sqequalRule, 
independent_pairFormation, 
computeAll, 
independent_functionElimination, 
axiomSqleEquality, 
unionElimination, 
dependent_set_memberEquality, 
divergentSqle, 
callbyvalueCallbyvalue, 
callbyvalueReduce, 
baseApply, 
closedConclusion, 
baseClosed, 
applyEquality, 
because_Cache, 
sqleReflexivity, 
callbyvalueExceptionCases, 
exceptionSqequal
Latex:
\mforall{}[as,bs,cs:Top].    (rev(as)  +  bs  @  cs  \mleq{}  rev(as)  +  bs  @  cs)
Date html generated:
2016_05_14-AM-07_40_06
Last ObjectModification:
2016_01_15-AM-08_36_49
Theory : list_1
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