T7:=REF(VOL,6)/REF(VOL,7)>=2; T6:=REF(VOL,5)/REF(VOL,6)>=2; T5:=REF(VOL,5)/REF(VOL,4)>=1.5; T4:=REF(VOL,4)/REF(VOL,3)>=1.5; T3:=REF(VOL,2)/REF(VOL,3)>=1.5; T1:=V/REF(VOL,1)>2; T0:=C>O AND C>REF(C,1); ??1é:T7 AND T1 AND T0 OR T6 AND T1 AND T0 OR T5 AND T1 AND T0 OR T4 AND T1 AND T0 OR T3 AND T1 AND T0;
