]> matita.cs.unibo.it Git - helm.git/blob - matita/contribs/CoRN-Decl/reals/CSumsReals.ma
tagged 0.5.0-rc1
[helm.git] / matita / contribs / CoRN-Decl / reals / CSumsReals.ma
1 (**************************************************************************)
2 (*       ___                                                              *)
3 (*      ||M||                                                             *)
4 (*      ||A||       A project by Andrea Asperti                           *)
5 (*      ||T||                                                             *)
6 (*      ||I||       Developers:                                           *)
7 (*      ||T||         The HELM team.                                      *)
8 (*      ||A||         http://helm.cs.unibo.it                             *)
9 (*      \   /                                                             *)
10 (*       \ /        This file is distributed under the terms of the       *)
11 (*        v         GNU General Public License Version 2                  *)
12 (*                                                                        *)
13 (**************************************************************************)
14
15 (* This file was automatically generated: do not edit *********************)
16
17 set "baseuri" "cic:/matita/CoRN-Decl/reals/CSumsReals".
18
19 include "CoRN.ma".
20
21 (* $Id: CSumsReals.v,v 1.5 2004/04/23 10:01:04 lcf Exp $ *)
22
23 include "reals/CReals1.ma".
24
25 (*#* * Sums over Reals
26
27 %\begin{convention}% Let [c] be a real.
28 %\end{convention}%
29
30 Here we prove that
31 $\Sigma_{m\leq i \leq n}~c^k = \frac{c^{n+1}-c^m}{c-1}.$
32 #sum_(m≤ i ≤ n) c^k = frac (c^(n+1) -c^m) (c-1)#
33 *)
34
35 (* UNEXPORTED
36 Section Sums_over_Reals
37 *)
38
39 alias id "c" = "cic:/CoRN/reals/CSumsReals/Sums_over_Reals/c.var".
40
41 inline "cic:/CoRN/reals/CSumsReals/Sum0_c_exp.con".
42
43 (* UNEXPORTED
44 Hint Resolve Sum0_c_exp.
45 *)
46
47 inline "cic:/CoRN/reals/CSumsReals/Sum_c_exp.con".
48
49 (* UNEXPORTED
50 Hint Resolve Sum_c_exp.
51 *)
52
53 (*#* The following formulation is often more useful if [c [<] 1]. *)
54
55 inline "cic:/CoRN/reals/CSumsReals/Sum_c_exp'.con".
56
57 (* UNEXPORTED
58 Hint Resolve Sum_c_exp'.
59 *)
60
61 (* UNEXPORTED
62 End Sums_over_Reals
63 *)
64
65 (* UNEXPORTED
66 Hint Resolve Sum0_c_exp Sum_c_exp Sum_c_exp': algebra.
67 *)
68
69 inline "cic:/CoRN/reals/CSumsReals/diff_is_Sum0.con".
70
71 inline "cic:/CoRN/reals/CSumsReals/diff_is_sum.con".
72
73 inline "cic:/CoRN/reals/CSumsReals/Sum0_pres_less.con".
74
75 inline "cic:/CoRN/reals/CSumsReals/Sum_pres_less.con".
76
77 inline "cic:/CoRN/reals/CSumsReals/Sum_pres_leEq.con".
78
79 inline "cic:/CoRN/reals/CSumsReals/Sum0_comm_scal.con".
80
81 (* UNEXPORTED
82 Hint Resolve Sum0_comm_scal: algebra.
83 *)
84
85 inline "cic:/CoRN/reals/CSumsReals/Sum_comm_scal.con".
86
87 inline "cic:/CoRN/reals/CSumsReals/Sum0_comm_scal'.con".
88
89 inline "cic:/CoRN/reals/CSumsReals/Sum_comm_scal'.con".
90
91 inline "cic:/CoRN/reals/CSumsReals/Sumx_comm_scal'.con".
92
93 inline "cic:/CoRN/reals/CSumsReals/Sum2_comm_scal'.con".
94