Nuprl Lemma : partial_ap_compose
∀[g:Top]. ∀[m1:ℕ]. ∀[m2:ℕm1 + 1]. ∀[m3:ℕm2 + 1].  (partial_ap(partial_ap(g;m1;m2);m2;m3) ~ partial_ap(g;m1;m3))
Proof
Definitions occuring in Statement : 
partial_ap: partial_ap(g;n;m)
, 
int_seg: {i..j-}
, 
nat: ℕ
, 
uall: ∀[x:A]. B[x]
, 
top: Top
, 
add: n + m
, 
natural_number: $n
, 
sqequal: s ~ t
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
subtype_rel: A ⊆r B
, 
nat: ℕ
, 
uimplies: b supposing a
, 
le: A ≤ B
, 
and: P ∧ Q
, 
less_than': less_than'(a;b)
, 
false: False
, 
not: ¬A
, 
implies: P 
⇒ Q
, 
prop: ℙ
, 
int_seg: {i..j-}
, 
lelt: i ≤ j < k
, 
guard: {T}
, 
ge: i ≥ j 
, 
all: ∀x:A. B[x]
, 
decidable: Dec(P)
, 
or: P ∨ Q
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
exists: ∃x:A. B[x]
, 
top: Top
, 
less_than: a < b
Lemmas referenced : 
top_wf, 
nat_wf, 
int_seg_wf, 
int_term_value_subtract_lemma, 
itermSubtract_wf, 
subtract_wf, 
lelt_wf, 
int_formula_prop_wf, 
int_formula_prop_le_lemma, 
int_term_value_var_lemma, 
int_term_value_add_lemma, 
int_term_value_constant_lemma, 
int_formula_prop_less_lemma, 
int_formula_prop_not_lemma, 
int_formula_prop_and_lemma, 
intformle_wf, 
itermVar_wf, 
itermAdd_wf, 
itermConstant_wf, 
intformless_wf, 
intformnot_wf, 
intformand_wf, 
satisfiable-full-omega-tt, 
decidable__lt, 
nat_properties, 
int_seg_properties, 
partial_ap_of_partial_ap_gen, 
false_wf, 
int_seg_subtype_nat, 
partial_ap_is_gen
Rules used in proof : 
sqequalSubstitution, 
sqequalRule, 
cut, 
lemma_by_obid, 
sqequalHypSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isectElimination, 
thin, 
hypothesisEquality, 
applyEquality, 
natural_numberEquality, 
addEquality, 
setElimination, 
rename, 
independent_isectElimination, 
independent_pairFormation, 
lambdaFormation, 
hypothesis, 
because_Cache, 
dependent_set_memberEquality, 
productElimination, 
dependent_functionElimination, 
unionElimination, 
dependent_pairFormation, 
lambdaEquality, 
int_eqEquality, 
intEquality, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
computeAll, 
isect_memberFormation, 
introduction, 
sqequalAxiom
Latex:
\mforall{}[g:Top].  \mforall{}[m1:\mBbbN{}].  \mforall{}[m2:\mBbbN{}m1  +  1].  \mforall{}[m3:\mBbbN{}m2  +  1].
    (partial\_ap(partial\_ap(g;m1;m2);m2;m3)  \msim{}  partial\_ap(g;m1;m3))
Date html generated:
2016_05_15-PM-02_12_09
Last ObjectModification:
2016_01_15-PM-10_20_39
Theory : untyped!computation
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