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4 (* ||A|| A project by Andrea Asperti *)
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7 (* ||T|| The HELM team. *)
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15 (* This file was automatically generated: do not edit *********************)
21 (* file : bridges_gives_our.v *)
23 (* version : 1.50 - 09/05/2001 *)
25 (* version : 1.00 - 09/03/2001 *)
27 (* author : Milad Niqui *)
29 (* language : coq7.0bet26feb *)
31 (* dependency : least_upper_bound_principle *)
33 (* description : Bridges' proof of Cauchy completeness in TCS-219 *)
35 include "reals/Bridges_LUB.ma".
37 (* This lemma comes from lemmas.v of Martijn Oostdijk *)
39 inline procedural "cic:/CoRN/reals/Bridges_iso/le_witness_informative.con".
42 Section bridges_axioms_imply_ours
45 alias id "OF" = "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/OF.var".
47 alias id "lubp" = "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/lubp.var".
49 alias id "is_Archimedes" = "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/is_Archimedes.var".
51 inline procedural "cic:/CoRN/reals/Bridges_iso/is_Archimedes'.con".
57 inline procedural "cic:/CoRN/reals/Bridges_iso/leEq_geEq.con".
59 inline procedural "cic:/CoRN/reals/Bridges_iso/glbp.con".
65 alias id "P" = "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/proofs_in_TCS/supremum/P.var".
67 inline procedural "cic:/CoRN/reals/Bridges_iso/inequality1.con".
69 inline procedural "cic:/CoRN/reals/Bridges_iso/inequality2.con".
71 inline procedural "cic:/CoRN/reals/Bridges_iso/inequality3.con".
73 inline procedural "cic:/CoRN/reals/Bridges_iso/inequality4.con".
75 inline procedural "cic:/CoRN/reals/Bridges_iso/Hum.con".
77 inline procedural "cic:/CoRN/reals/Bridges_iso/bound_tk1.con".
79 inline procedural "cic:/CoRN/reals/Bridges_iso/bound_tk2.con".
81 inline procedural "cic:/CoRN/reals/Bridges_iso/trick.con".
83 inline procedural "cic:/CoRN/reals/Bridges_iso/trick'.con".
85 inline procedural "cic:/CoRN/reals/Bridges_iso/up_bound_for_n_element.con".
87 inline procedural "cic:/CoRN/reals/Bridges_iso/low_bound_for_n_element.con".
89 inline procedural "cic:/CoRN/reals/Bridges_iso/saghf.con".
91 inline procedural "cic:/CoRN/reals/Bridges_iso/Psaghf.con".
93 inline procedural "cic:/CoRN/reals/Bridges_iso/kaf.con".
95 inline procedural "cic:/CoRN/reals/Bridges_iso/Pkaf.con".
97 alias id "is_finite_P" = "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/proofs_in_TCS/supremum/is_finite_P.var".
99 inline procedural "cic:/CoRN/reals/Bridges_iso/card.con".
101 inline procedural "cic:/CoRN/reals/Bridges_iso/Pcard1.con".
103 inline procedural "cic:/CoRN/reals/Bridges_iso/seq.con".
105 inline procedural "cic:/CoRN/reals/Bridges_iso/Pseq1.con".
107 inline procedural "cic:/CoRN/reals/Bridges_iso/Pseq1_unfolded.con".
109 inline procedural "cic:/CoRN/reals/Bridges_iso/indeks.con".
111 inline procedural "cic:/CoRN/reals/Bridges_iso/Pindeks.con".
113 alias id "is_onto_seq_P" = "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/proofs_in_TCS/supremum/is_onto_seq_P.var".
115 inline procedural "cic:/CoRN/reals/Bridges_iso/P_is_inhabited.con".
118 Lemma bounded_quantifier:(N:nat;phi,psi:nat->Prop)
119 ((m:nat)(le m N)->(phi m)\/(psi m))->
120 ((m:nat)(le m N)->(phi m))\/(Ex [j:nat](le j N)/\(psi j)).
124 Cut (phi O)\/(psi O).
130 Rewrite <- (le_n_O_eq m H2).
146 Apply le_trans with m:=N.
155 Case (le_lt_eq_dec m (S N)).
159 Apply (lt_n_Sm_le m N).
179 Apply le_trans with m:=N.
186 inline procedural "cic:/CoRN/reals/Bridges_iso/bounded_quantifier_informative.con".
188 inline procedural "cic:/CoRN/reals/Bridges_iso/bridges_lemma1a.con".
190 alias id "P_is_strongly_extensional" = "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/proofs_in_TCS/supremum/P_is_strongly_extensional.var".
192 inline procedural "cic:/CoRN/reals/Bridges_iso/bridges_lemma1b.con".
198 (*#**********************************)
200 (*#**********************************)
202 (*#**********************************)
204 (*#**********************************)
207 Section Every_Cauchy_Sequence_is_bounded
210 inline procedural "cic:/CoRN/reals/Bridges_iso/seq2set.con".
212 alias id "g" = "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/proofs_in_TCS/Every_Cauchy_Sequence_is_bounded/g.var".
214 inline procedural "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/proofs_in_TCS/Every_Cauchy_Sequence_is_bounded/g_.con" "bridges_axioms_imply_ours__proofs_in_TCS__Every_Cauchy_Sequence_is_bounded__".
216 inline procedural "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/proofs_in_TCS/Every_Cauchy_Sequence_is_bounded/pg.con" "bridges_axioms_imply_ours__proofs_in_TCS__Every_Cauchy_Sequence_is_bounded__".
218 inline procedural "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/proofs_in_TCS/Every_Cauchy_Sequence_is_bounded/P.con" "bridges_axioms_imply_ours__proofs_in_TCS__Every_Cauchy_Sequence_is_bounded__".
220 inline procedural "cic:/CoRN/reals/Bridges_iso/fin_is_fin.con".
222 inline procedural "cic:/CoRN/reals/Bridges_iso/card_fin.con".
224 inline procedural "cic:/CoRN/reals/Bridges_iso/finite_seq.con".
226 inline procedural "cic:/CoRN/reals/Bridges_iso/bridges_lemma2a.con".
228 inline procedural "cic:/CoRN/reals/Bridges_iso/sup.con".
230 inline procedural "cic:/CoRN/reals/Bridges_iso/Psup.con".
232 inline procedural "cic:/CoRN/reals/Bridges_iso/Psup_proj1.con".
234 inline procedural "cic:/CoRN/reals/Bridges_iso/Psup_unfolded1.con".
236 inline procedural "cic:/CoRN/reals/Bridges_iso/Psup_unfolded2.con".
238 inline procedural "cic:/CoRN/reals/Bridges_iso/bridges_lemma2b.con".
240 inline procedural "cic:/CoRN/reals/Bridges_iso/inf.con".
242 inline procedural "cic:/CoRN/reals/Bridges_iso/Pinf.con".
244 inline procedural "cic:/CoRN/reals/Bridges_iso/Pinf_proj1.con".
246 inline procedural "cic:/CoRN/reals/Bridges_iso/Pinf_unfolded1.con".
248 inline procedural "cic:/CoRN/reals/Bridges_iso/Pinf_unfolded2.con".
250 (* I tried very much not to mention this lemma! *)
252 inline procedural "cic:/CoRN/reals/Bridges_iso/sup_leEq.con".
254 inline procedural "cic:/CoRN/reals/Bridges_iso/inf_geEq.con".
256 inline procedural "cic:/CoRN/reals/Bridges_iso/tail_is_Cauchy.con".
258 inline procedural "cic:/CoRN/reals/Bridges_iso/tail_seq.con".
261 End Every_Cauchy_Sequence_is_bounded
264 alias id "g" = "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/proofs_in_TCS/g.var".
266 inline procedural "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/proofs_in_TCS/g_.con" "bridges_axioms_imply_ours__proofs_in_TCS__".
268 inline procedural "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/proofs_in_TCS/pg.con" "bridges_axioms_imply_ours__proofs_in_TCS__".
270 inline procedural "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/proofs_in_TCS/sup_tail.con" "bridges_axioms_imply_ours__proofs_in_TCS__".
272 inline procedural "cic:/CoRN/reals/Bridges_iso/sup_tail_leEq.con".
274 inline procedural "cic:/CoRN/reals/Bridges_iso/sup_tail_is_Cauchy.con".
276 inline procedural "cic:/CoRN/reals/Bridges_iso/sup_tail_as_Cauchy.con".
278 inline procedural "cic:/CoRN/reals/Bridges_iso/bridges_axioms_imply_ours/proofs_in_TCS/L.con" "bridges_axioms_imply_ours__proofs_in_TCS__".
280 inline procedural "cic:/CoRN/reals/Bridges_iso/sup_tail_decrease.con".
282 inline procedural "cic:/CoRN/reals/Bridges_iso/L_less_sup_n.con".
284 inline procedural "cic:/CoRN/reals/Bridges_iso/Psup_unfolded2_informative.con".
286 inline procedural "cic:/CoRN/reals/Bridges_iso/Pinf_unfolded2_informative.con".
288 inline procedural "cic:/CoRN/reals/Bridges_iso/convergent_subseq.con".
290 (* very elegant proof almost as short as text version! *)
292 inline procedural "cic:/CoRN/reals/Bridges_iso/lubp_gives_Cauchy.con".
298 inline procedural "cic:/CoRN/reals/Bridges_iso/Bridges_R_is_CReals.con".
300 inline procedural "cic:/CoRN/reals/Bridges_iso/Bridges_R_as_CReals.con".
303 End bridges_axioms_imply_ours
308 (*#* remove printing Q *)