diff options
author | letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2012-07-05 22:51:11 +0000 |
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committer | letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2012-07-05 22:51:11 +0000 |
commit | 2ed6aeb03fc0e25a47223189d8444cbb6b749f2d (patch) | |
tree | 653de6038f3247ef8e18610ad07f1b83c6f253b5 /theories | |
parent | afe903e7889625986edab5506e3bb2cb90f7f483 (diff) |
Legacy Ring and Legacy Field migrated to contribs
One slight point to check someday : fourier used to
launch a tactic called Ring.polynom in some cases.
It it crucial ? If so, how to replace with the setoid_ring
equivalent ?
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15524 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories')
-rw-r--r-- | theories/QArith/Qreals.v | 22 | ||||
-rw-r--r-- | theories/Reals/LegacyRfield.v | 38 | ||||
-rw-r--r-- | theories/Reals/vo.itarget | 1 |
3 files changed, 0 insertions, 61 deletions
diff --git a/theories/QArith/Qreals.v b/theories/QArith/Qreals.v index 3730bcd7f..2400055aa 100644 --- a/theories/QArith/Qreals.v +++ b/theories/QArith/Qreals.v @@ -187,25 +187,3 @@ rewrite Q2R_inv; auto. Qed. Hint Rewrite Q2R_plus Q2R_mult Q2R_opp Q2R_minus Q2R_inv Q2R_div : q2r_simpl. - -Section LegacyQField. - -(** In the past, the field tactic was not able to deal with setoid datatypes, - so translating from Q to R and applying field on reals was a workaround. - See now Qfield for a direct field tactic on Q. *) - -Ltac QField := apply eqR_Qeq; autorewrite with q2r_simpl; try field; auto. - -(** Examples of use: *) - -Let ex1 : forall x y z : Q, (x+y)*z == (x*z)+(y*z). -intros; QField. -Qed. - -Let ex2 : forall x y : Q, ~ y==0 -> (x/y)*y == x. -intros; QField. -intro; apply H; apply eqR_Qeq. -rewrite H0; unfold Q2R; simpl; field; auto with real. -Qed. - -End LegacyQField. diff --git a/theories/Reals/LegacyRfield.v b/theories/Reals/LegacyRfield.v deleted file mode 100644 index 8a62eb866..000000000 --- a/theories/Reals/LegacyRfield.v +++ /dev/null @@ -1,38 +0,0 @@ -(************************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010 *) -(* \VV/ **************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) -(************************************************************************) - -Require Export Raxioms. -Require Export LegacyField. -Import LegacyRing_theory. - -Section LegacyRfield. - -Open Scope R_scope. - -Lemma RLegacyTheory : Ring_Theory Rplus Rmult 1 0 Ropp (fun x y:R => false). - split. - exact Rplus_comm. - symmetry ; apply Rplus_assoc. - exact Rmult_comm. - symmetry ; apply Rmult_assoc. - intro; apply Rplus_0_l. - intro; apply Rmult_1_l. - exact Rplus_opp_r. - intros. - rewrite Rmult_comm. - rewrite (Rmult_comm n p). - rewrite (Rmult_comm m p). - apply Rmult_plus_distr_l. - intros; contradiction. -Defined. - -End LegacyRfield. - -Add Legacy Field -R Rplus Rmult 1%R 0%R Ropp (fun x y:R => false) Rinv RLegacyTheory Rinv_l - with minus := Rminus div := Rdiv. diff --git a/theories/Reals/vo.itarget b/theories/Reals/vo.itarget index 36dd0f56d..0c8f0b976 100644 --- a/theories/Reals/vo.itarget +++ b/theories/Reals/vo.itarget @@ -8,7 +8,6 @@ Cos_rel.vo DiscrR.vo Exp_prop.vo Integration.vo -LegacyRfield.vo Machin.vo MVT.vo NewtonInt.vo |