Nuprl Lemma : cbva_seq-combine
∀[F,L1,L2:Top]. ∀[m1,m2:ℕ].
(cbva_seq(L1; λg.cbva_seq(L2[g]; F; m2); m1) ~ cbva_seq(λn.if n <z m1
then L1 n
else mk_lambdas_fun(λg.(L2[g] (n - m1));m1)
fi ; λg.(F partial_ap_gen(g;m1 + m2;m1;m2)); m1 + m2))
Proof
Definitions occuring in Statement :
partial_ap_gen: partial_ap_gen(g;n;s;m),
mk_lambdas_fun: mk_lambdas_fun(F;m),
cbva_seq: cbva_seq(L; F; m),
nat: ℕ,
ifthenelse: if b then t else f fi ,
lt_int: i <z j,
uall: ∀[x:A]. B[x],
top: Top,
so_apply: x[s],
apply: f a,
lambda: λx.A[x],
subtract: n - m,
add: n + m,
sqequal: s ~ t
Definitions unfolded in proof :
cbva_seq: cbva_seq(L; F; m),
uall: ∀[x:A]. B[x],
member: t ∈ T,
so_lambda: λ2x.t[x],
top: Top,
so_apply: x[s]
Lemmas referenced :
callbyvalueall_seq-combine2-0,
nat_wf,
top_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
sqequalRule,
cut,
lemma_by_obid,
sqequalHypSubstitution,
isectElimination,
thin,
hypothesisEquality,
isect_memberEquality,
voidElimination,
voidEquality,
hypothesis,
because_Cache,
isect_memberFormation,
introduction,
sqequalAxiom
Latex:
\mforall{}[F,L1,L2:Top]. \mforall{}[m1,m2:\mBbbN{}].
(cbva\_seq(L1; \mlambda{}g.cbva\_seq(L2[g]; F; m2); m1) \msim{} cbva\_seq(\mlambda{}n.if n <z m1
then L1 n
else mk\_lambdas\_fun(\mlambda{}g.(L2[g]
(n - m1));m1)
fi ; \mlambda{}g.(F
partial\_ap\_gen(g;m1
+ m2;m1;m2)); m1 + m2))
Date html generated:
2016_05_15-PM-02_14_59
Last ObjectModification:
2015_12_27-AM-00_32_09
Theory : untyped!computation
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