diff options
Diffstat (limited to 'theories/Numbers/Natural/BigN/Nbasic.v')
| -rw-r--r-- | theories/Numbers/Natural/BigN/Nbasic.v | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/theories/Numbers/Natural/BigN/Nbasic.v b/theories/Numbers/Natural/BigN/Nbasic.v index e545508d..8fe9ea92 100644 --- a/theories/Numbers/Natural/BigN/Nbasic.v +++ b/theories/Numbers/Natural/BigN/Nbasic.v @@ -1,6 +1,6 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2014 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) @@ -320,6 +320,7 @@ Section CompareRec. Let double_to_Z_pos: forall n x, 0 <= double_to_Z n x < double_wB n := (spec_double_to_Z wm_base wm_to_Z wm_to_Z_pos). + Declare Equivalent Keys compare0_mn compare0_m. Lemma spec_compare0_mn: forall n x, compare0_mn n x = (0 ?= double_to_Z n x). @@ -371,7 +372,7 @@ Section CompareRec. intros n (H0, H); split; auto. apply Z.lt_le_trans with (1:= H). unfold double_wB, DoubleBase.double_wB; simpl. - rewrite Pshiftl_nat_S, base_xO. + rewrite base_xO. set (u := base (Pos.shiftl_nat wm_base n)). assert (0 < u). unfold u, base; auto with zarith. |