Nuprl Lemma : rsum-rewrite-test
Σ{r(i) | 1≤i≤10} ≤ Σ{r(1 + i) | 1≤i≤10}
Proof
Definitions occuring in Statement :
rsum: Σ{x[k] | n≤k≤m}
,
rleq: x ≤ y
,
int-to-real: r(n)
,
add: n + m
,
natural_number: $n
Definitions unfolded in proof :
all: ∀x:A. B[x]
,
member: t ∈ T
,
iff: P
⇐⇒ Q
,
and: P ∧ Q
,
rev_implies: P
⇐ Q
,
implies: P
⇒ Q
,
decidable: Dec(P)
,
or: P ∨ Q
,
uall: ∀[x:A]. B[x]
,
uimplies: b supposing a
,
satisfiable_int_formula: satisfiable_int_formula(fmla)
,
exists: ∃x:A. B[x]
,
false: False
,
not: ¬A
,
top: Top
,
prop: ℙ
,
so_lambda: λ2x.t[x]
,
int_seg: {i..j-}
,
so_apply: x[s]
,
rev_uimplies: rev_uimplies(P;Q)
,
rge: x ≥ y
,
guard: {T}
Lemmas referenced :
rsum_functionality_wrt_rleq2,
rleq_functionality_wrt_implies,
rleq_weakening_equal,
le_wf,
int_seg_wf,
int-to-real_wf,
rsum_wf,
int_formula_prop_wf,
int_term_value_constant_lemma,
int_term_value_add_lemma,
int_term_value_var_lemma,
int_formula_prop_le_lemma,
int_formula_prop_not_lemma,
itermConstant_wf,
itermAdd_wf,
itermVar_wf,
intformle_wf,
intformnot_wf,
satisfiable-full-omega-tt,
decidable__le,
rleq-int
Rules used in proof :
cut,
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
lambdaFormation,
lemma_by_obid,
sqequalHypSubstitution,
dependent_functionElimination,
thin,
hypothesisEquality,
addEquality,
natural_numberEquality,
productElimination,
independent_functionElimination,
because_Cache,
hypothesis,
unionElimination,
isectElimination,
independent_isectElimination,
dependent_pairFormation,
lambdaEquality,
int_eqEquality,
intEquality,
isect_memberEquality,
voidElimination,
voidEquality,
sqequalRule,
computeAll,
setElimination,
rename
Latex:
\mSigma{}\{r(i) | 1\mleq{}i\mleq{}10\} \mleq{} \mSigma{}\{r(1 + i) | 1\mleq{}i\mleq{}10\}
Date html generated:
2016_05_18-AM-07_45_28
Last ObjectModification:
2016_01_17-AM-02_06_42
Theory : reals
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