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adapt to rocq#19987 #67

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Merged
proux01 merged 1 commit into from
May 22, 2025
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adapt to rocq#19987 #67

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2 changes: 1 addition & 1 deletion theories/PFsection2.v
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Original file line number Diff line number Diff line change
Expand Up @@ -582,7 +582,7 @@ rewrite big1 ?add0r => [|x /andP[calAx not_nBaLx]]; last first.
by apply/pred0Pn; exists g; apply/andP.
rewrite (partition_big fBg (mem nBaL)) /= => [|x]; last by case/andP.
apply: eq_bigr => b; case/setIP=> Nb aLb; rewrite mulr_natr -sumr_const.
apply: eq_big => x; rewrite ![x \in _]inE -!andbA.
apply: eq_big => x; rewrite ![_ \in calA _ _]inE -!andbA.
apply: andb_id2l=> Gx; apply/and3P/idP=> [[Mgx _] /eqP <- | HBb_gx].
by rewrite mem_rcoset mem_divgr ?mulHNB.
suffices ->: fBg x = b.
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