1 (**************************************************************************)
4 (* ||A|| A project by Andrea Asperti *)
6 (* ||I|| Developers: *)
7 (* ||T|| The HELM team. *)
8 (* ||A|| http://helm.cs.unibo.it *)
10 (* \ / This file is distributed under the terms of the *)
11 (* v GNU General Public License Version 2 *)
13 (**************************************************************************)
15 (* This file was automatically generated: do not edit *********************)
17 set "baseuri" "cic:/matita/CoRN-Decl/algebra/COrdFields2".
23 (*#* printing one_div_succ %\ensuremath{\frac1{\cdot+1}}% *)
25 (*#* printing Half %\ensuremath{\frac12}% #½# *)
27 (*#**********************************)
30 Section Properties_of_leEq.
33 (*#**********************************)
36 ** Properties of [[<=]]
37 %\begin{convention}% Let [R] be an ordered field.
41 inline cic:/CoRN/algebra/COrdFields2/R.var.
48 *** Addition and subtraction%\label{section:leEq-plus-minus}%
51 inline cic:/CoRN/algebra/COrdFields2/plus_resp_leEq.con.
53 inline cic:/CoRN/algebra/COrdFields2/plus_resp_leEq_lft.con.
55 inline cic:/CoRN/algebra/COrdFields2/minus_resp_leEq.con.
57 inline cic:/CoRN/algebra/COrdFields2/inv_resp_leEq.con.
63 inline cic:/CoRN/algebra/COrdFields2/minus_resp_leEq_rht.con.
65 inline cic:/CoRN/algebra/COrdFields2/plus_resp_leEq_both.con.
67 inline cic:/CoRN/algebra/COrdFields2/plus_resp_less_leEq.con.
69 inline cic:/CoRN/algebra/COrdFields2/plus_resp_leEq_less.con.
71 inline cic:/CoRN/algebra/COrdFields2/minus_resp_less_leEq.con.
73 inline cic:/CoRN/algebra/COrdFields2/minus_resp_leEq_both.con.
75 (*#* Cancellation properties
78 inline cic:/CoRN/algebra/COrdFields2/plus_cancel_leEq_rht.con.
80 inline cic:/CoRN/algebra/COrdFields2/inv_cancel_leEq.con.
82 (*#* Laws for shifting
85 inline cic:/CoRN/algebra/COrdFields2/shift_plus_leEq.con.
87 inline cic:/CoRN/algebra/COrdFields2/shift_leEq_plus.con.
89 inline cic:/CoRN/algebra/COrdFields2/shift_plus_leEq'.con.
91 inline cic:/CoRN/algebra/COrdFields2/shift_leEq_plus'.con.
93 inline cic:/CoRN/algebra/COrdFields2/shift_leEq_rht.con.
95 inline cic:/CoRN/algebra/COrdFields2/shift_leEq_lft.con.
97 inline cic:/CoRN/algebra/COrdFields2/shift_minus_leEq.con.
99 inline cic:/CoRN/algebra/COrdFields2/shift_leEq_minus.con.
101 inline cic:/CoRN/algebra/COrdFields2/shift_leEq_minus'.con.
103 inline cic:/CoRN/algebra/COrdFields2/shift_zero_leEq_minus.con.
105 inline cic:/CoRN/algebra/COrdFields2/shift_zero_leEq_minus'.con.
112 Section multiplication.
116 *** Multiplication and division
118 Multiplication and division respect [[<=]]
121 inline cic:/CoRN/algebra/COrdFields2/mult_resp_leEq_rht.con.
123 inline cic:/CoRN/algebra/COrdFields2/mult_resp_leEq_lft.con.
125 inline cic:/CoRN/algebra/COrdFields2/mult_resp_leEq_both.con.
127 inline cic:/CoRN/algebra/COrdFields2/recip_resp_leEq.con.
129 inline cic:/CoRN/algebra/COrdFields2/div_resp_leEq.con.
132 Hint Resolve recip_resp_leEq: algebra.
135 (*#* Cancellation properties
138 inline cic:/CoRN/algebra/COrdFields2/mult_cancel_leEq.con.
140 (*#* Laws for shifting
143 inline cic:/CoRN/algebra/COrdFields2/shift_mult_leEq.con.
145 inline cic:/CoRN/algebra/COrdFields2/shift_mult_leEq'.con.
147 inline cic:/CoRN/algebra/COrdFields2/shift_leEq_mult'.con.
149 inline cic:/CoRN/algebra/COrdFields2/shift_div_leEq.con.
151 inline cic:/CoRN/algebra/COrdFields2/shift_div_leEq'.con.
153 inline cic:/CoRN/algebra/COrdFields2/shift_leEq_div.con.
156 Hint Resolve shift_leEq_div: algebra.
159 inline cic:/CoRN/algebra/COrdFields2/eps_div_leEq_eps.con.
161 inline cic:/CoRN/algebra/COrdFields2/nonneg_div_two.con.
163 inline cic:/CoRN/algebra/COrdFields2/nonneg_div_two'.con.
165 inline cic:/CoRN/algebra/COrdFields2/nonneg_div_three.con.
167 inline cic:/CoRN/algebra/COrdFields2/nonneg_div_three'.con.
169 inline cic:/CoRN/algebra/COrdFields2/nonneg_div_four.con.
171 inline cic:/CoRN/algebra/COrdFields2/nonneg_div_four'.con.
182 *** Miscellaneous Properties
185 inline cic:/CoRN/algebra/COrdFields2/sqr_nonneg.con.
187 inline cic:/CoRN/algebra/COrdFields2/nring_nonneg.con.
189 inline cic:/CoRN/algebra/COrdFields2/suc_leEq_dub.con.
191 inline cic:/CoRN/algebra/COrdFields2/leEq_nring.con.
193 inline cic:/CoRN/algebra/COrdFields2/cc_abs_aid.con.
199 inline cic:/CoRN/algebra/COrdFields2/nexp_resp_pos.con.
205 inline cic:/CoRN/algebra/COrdFields2/mult_resp_nonneg.con.
211 inline cic:/CoRN/algebra/COrdFields2/nexp_resp_nonneg.con.
213 inline cic:/CoRN/algebra/COrdFields2/power_resp_leEq.con.
215 inline cic:/CoRN/algebra/COrdFields2/nexp_resp_less.con.
217 inline cic:/CoRN/algebra/COrdFields2/power_cancel_leEq.con.
219 inline cic:/CoRN/algebra/COrdFields2/power_cancel_less.con.
221 inline cic:/CoRN/algebra/COrdFields2/nat_less_bin_nexp.con.
223 inline cic:/CoRN/algebra/COrdFields2/Sum_resp_leEq.con.
225 inline cic:/CoRN/algebra/COrdFields2/Sumx_resp_leEq.con.
227 inline cic:/CoRN/algebra/COrdFields2/Sum2_resp_leEq.con.
229 inline cic:/CoRN/algebra/COrdFields2/approach_zero.con.
231 inline cic:/CoRN/algebra/COrdFields2/approach_zero_weak.con.
237 inline cic:/CoRN/algebra/COrdFields2/equal_less_leEq.con.
240 End Properties_of_leEq.
243 (*#**********************************)
246 Section PosP_properties.
249 (*#**********************************)
252 ** Properties of positive numbers
253 %\begin{convention}% Let [R] be an ordered field.
257 inline cic:/CoRN/algebra/COrdFields2/R.var.
263 inline cic:/CoRN/algebra/COrdFields2/mult_pos_imp.con.
265 inline cic:/CoRN/algebra/COrdFields2/plus_resp_pos_nonneg.con.
267 inline cic:/CoRN/algebra/COrdFields2/plus_resp_nonneg_pos.con.
269 inline cic:/CoRN/algebra/COrdFields2/pos_square.con.
271 inline cic:/CoRN/algebra/COrdFields2/mult_cancel_pos_rht.con.
273 inline cic:/CoRN/algebra/COrdFields2/mult_cancel_pos_lft.con.
275 inline cic:/CoRN/algebra/COrdFields2/pos_wd.con.
277 inline cic:/CoRN/algebra/COrdFields2/even_power_pos.con.
279 inline cic:/CoRN/algebra/COrdFields2/odd_power_cancel_pos.con.
281 inline cic:/CoRN/algebra/COrdFields2/plus_resp_pos.con.
283 inline cic:/CoRN/algebra/COrdFields2/pos_nring_S.con.
285 inline cic:/CoRN/algebra/COrdFields2/square_eq_pos.con.
287 inline cic:/CoRN/algebra/COrdFields2/square_eq_neg.con.
294 Hint Resolve mult_resp_nonneg.
298 ** Properties of one over successor
299 %\begin{convention}% Let [R] be an ordered field.
303 inline cic:/CoRN/algebra/COrdFields2/one_div_succ.con.
306 Implicit Arguments one_div_succ [R].
310 Section One_div_succ_properties.
313 inline cic:/CoRN/algebra/COrdFields2/R.var.
315 inline cic:/CoRN/algebra/COrdFields2/one_div_succ_resp_leEq.con.
317 inline cic:/CoRN/algebra/COrdFields2/one_div_succ_pos.con.
319 inline cic:/CoRN/algebra/COrdFields2/one_div_succ_resp_less.con.
322 End One_div_succ_properties.
326 ** Properties of [Half]
329 inline cic:/CoRN/algebra/COrdFields2/Half.con.
332 Implicit Arguments Half [R].
336 Section Half_properties.
341 Let [R] be an ordered field.
345 inline cic:/CoRN/algebra/COrdFields2/R.var.
347 inline cic:/CoRN/algebra/COrdFields2/half_1.con.
350 Hint Resolve half_1: algebra.
353 inline cic:/CoRN/algebra/COrdFields2/pos_half.con.
355 inline cic:/CoRN/algebra/COrdFields2/half_1'.con.
357 inline cic:/CoRN/algebra/COrdFields2/half_2.con.
359 inline cic:/CoRN/algebra/COrdFields2/half_lt1.con.
361 inline cic:/CoRN/algebra/COrdFields2/half_3.con.
368 Hint Resolve half_1 half_1' half_2: algebra.