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33 (*i $Id: Sqrt_reg.v,v 1.9 2003/12/24 10:27:08 barras Exp $ i*)
35 include "Reals/Rbase.ma".
37 include "Reals/Rfunctions.ma".
39 include "Reals/Ranalysis1.ma".
41 include "Reals/R_sqrt.ma".
44 Open Local Scope R_scope.
49 inline procedural "cic:/Coq/Reals/Sqrt_reg/sqrt_var_maj.con" as lemma.
51 (* sqrt is continuous in 1 *)
53 inline procedural "cic:/Coq/Reals/Sqrt_reg/sqrt_continuity_pt_R1.con" as lemma.
55 (* sqrt is continuous forall x>0 *)
57 inline procedural "cic:/Coq/Reals/Sqrt_reg/sqrt_continuity_pt.con" as lemma.
59 (* sqrt is derivable for all x>0 *)
61 inline procedural "cic:/Coq/Reals/Sqrt_reg/derivable_pt_lim_sqrt.con" as lemma.
65 inline procedural "cic:/Coq/Reals/Sqrt_reg/derivable_pt_sqrt.con" as lemma.
69 inline procedural "cic:/Coq/Reals/Sqrt_reg/derive_pt_sqrt.con" as lemma.
71 (* We show that sqrt is continuous for all x>=0 *)
73 (* Remark : by definition of sqrt (as extension of Rsqrt on |R), *)
75 (* we could also show that sqrt is continuous for all x *)
77 inline procedural "cic:/Coq/Reals/Sqrt_reg/continuity_pt_sqrt.con" as lemma.