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14
15 (* This file was automatically generated: do not edit *********************)
16
17 set "baseuri" "cic:/matita/CoRN-Decl/model/structures/Zsec".
18
19 include "CoRN.ma".
20
21 (* $Id: Zsec.v,v 1.5 2004/04/06 15:46:05 lcf Exp $ *)
22
23 (*#* printing {#Z} %\ensuremath{\mathrel\#_{\mathbb Z}}% *)
24
25 include "algebra/CLogic.ma".
26
27 (*#* *[Z]
28 ** About [Z]
29 We consider the implementation of integers as signed binary sequences (the 
30 datatype [Z] as defined in [ZArith], in the standard library).
31
32 ***Apartness
33 We define the apartness as the negation of the Leibniz equality:
34 *)
35
36 inline "cic:/CoRN/model/structures/Zsec/ap_Z.con".
37
38 (* NOTATION
39 Infix "{#Z}" := ap_Z (no associativity, at level 90).
40 *)
41
42 (*#* Some properties of apartness:
43 *)
44
45 inline "cic:/CoRN/model/structures/Zsec/ap_Z_irreflexive0.con".
46
47 inline "cic:/CoRN/model/structures/Zsec/ap_Z_symmetric0.con".
48
49 inline "cic:/CoRN/model/structures/Zsec/ap_Z_cotransitive0.con".
50
51 inline "cic:/CoRN/model/structures/Zsec/ap_Z_tight0.con".
52
53 inline "cic:/CoRN/model/structures/Zsec/ONE_neq_O.con".
54
55 (*#* ***Addition
56 Some properties of the addition. [Zplus] is also defined in the standard 
57 library.
58 *)
59
60 inline "cic:/CoRN/model/structures/Zsec/Zplus_wd0.con".
61
62 inline "cic:/CoRN/model/structures/Zsec/Zplus_strext0.con".
63
64 (*#* ***Multiplication
65 The multiplication is extensional:
66 *)
67
68 inline "cic:/CoRN/model/structures/Zsec/Zmult_strext0.con".
69
70 (*#* ***Miscellaneous
71 *)
72
73 inline "cic:/CoRN/model/structures/Zsec/Zpos.con".
74
75 (* begin hide *)
76
77 coercion cic:/Coq/ZArith/BinInt/Z.ind#xpointer(1/1/2) 0 (* compounds *).
78
79 (* end hide *)
80
81 inline "cic:/CoRN/model/structures/Zsec/a_very_specific_lemma1.con".
82
83 inline "cic:/CoRN/model/structures/Zsec/a_very_specific_lemma2.con".
84
85 inline "cic:/CoRN/model/structures/Zsec/a_very_specific_lemma3.con".
86
87 inline "cic:/CoRN/model/structures/Zsec/a_very_specific_lemma4.con".
88
89 inline "cic:/CoRN/model/structures/Zsec/a_very_specific_lemma5.con".
90
91 inline "cic:/CoRN/model/structures/Zsec/Zpos_pos.con".
92
93 inline "cic:/CoRN/model/structures/Zsec/Zpos_neg.con".
94
95 inline "cic:/CoRN/model/structures/Zsec/Zpos_Zsgn.con".
96
97 inline "cic:/CoRN/model/structures/Zsec/Zpos_Zsgn2.con".
98
99 inline "cic:/CoRN/model/structures/Zsec/a_very_specific_lemma5'.con".
100