diff options
| author | affeldt-aist | 2020-11-20 12:41:11 +0900 |
|---|---|---|
| committer | GitHub | 2020-11-20 12:41:11 +0900 |
| commit | 3bb1ccc63170e3e71ef9d5b62758b6fdb1c4371c (patch) | |
| tree | 076b8d8c53eaaf424258388bbd0068970c55b85f /mathcomp/field/fieldext.v | |
| parent | 676a9266ad77232ab198c86a6a3a3f3f6ba53cc0 (diff) | |
| parent | e565f8d9bebd4fd681c34086d5448dbaebc11976 (diff) | |
Merge pull request #658 from CohenCyril/duplicate_clear
Removing duplicate clears and turning the warning into an error
Diffstat (limited to 'mathcomp/field/fieldext.v')
| -rw-r--r-- | mathcomp/field/fieldext.v | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mathcomp/field/fieldext.v b/mathcomp/field/fieldext.v index d99b69b..9091dd8 100644 --- a/mathcomp/field/fieldext.v +++ b/mathcomp/field/fieldext.v @@ -680,7 +680,7 @@ rewrite rootM => pqx0 szpq. have [nzq nzp]: q != 0 /\ p != 0. by apply/norP; rewrite -mulf_eq0 -size_poly_eq0 szpq. without loss{pqx0} qx0: q p Kp Kq nzp nzq szpq / root q x. - move=> IH; case/orP: pqx0 => /IH{IH}IH; first exact: IH. + move=> IH; case/orP: pqx0 => /IH{}IH; first exact: IH. have{IH} /orP[]: (q %= p * q) || (q %= 1) by apply: IH => //; rewrite mulrC. by rewrite orbC -{1}[q]mul1r eqp_mul2r // eqp_sym => ->. by rewrite -{1}[p]mul1r eqp_sym eqp_mul2r // => ->. @@ -875,7 +875,7 @@ Implicit Types (V : {vspace L}) (E : {subfield L}). Lemma trivial_fieldOver : (1%VS : {vspace L_F}) =i F. Proof. -move=> x; apply/vlineP/idP=> [[{x}x ->] | Fx]. +move=> x; apply/vlineP/idP=> [[{}x ->] | Fx]. by rewrite fieldOver_scaleE mulr1 (valP x). by exists (vsproj F x); rewrite fieldOver_scaleE mulr1 vsprojK. Qed. @@ -912,7 +912,7 @@ suff: basis_of (vspaceOver M) b by apply: size_basis. apply/andP; split. rewrite eqEsubv; apply/andP; split; apply/span_subvP=> u. by rewrite mem_vspaceOver field_module_eq // => /Mb. - move/(@vbasis_mem _ _ _ M); rewrite -defM => /memv_sumP[{u}u Fu ->]. + move/(@vbasis_mem _ _ _ M); rewrite -defM => /memv_sumP[{}u Fu ->]. apply: memv_suml => i _; have /memv_cosetP[a Fa ->] := Fu i isT. by apply: (memvZ (Subvs Fa)); rewrite memv_span ?memt_nth. apply/freeP=> a /(directv_sum_independent dx_b) a_0 i. @@ -1109,7 +1109,7 @@ move=> v; rewrite -{1}(field_module_eq modM0) -(mem_vspaceOver M0) {}/V. move: (vspaceOver F1 M0) => M. apply/idP/idP=> [/coord_vbasis|/coord_span]->; apply/memv_suml=> i _. rewrite /(_ *: _) /= /fieldOver_scale; case: (coord _ i _) => /= x. - rewrite {1}[F1]unlock mem_baseVspace => /vlineP[{x}x ->]. + rewrite {1}[F1]unlock mem_baseVspace => /vlineP[{}x ->]. by rewrite -(@scalerAl F L) mul1r memvZ ?memv_span ?memt_nth. move: (coord _ i _) => x; rewrite -[_`_i]mul1r scalerAl -tnth_nth. have F1x: x%:A \in F1. |
