Example sentences of "is not [n mass] [noun] " in BNC.

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1 If A is not pos. def. , the elements of B are in general complex .
2 In both ( i ) and ( ii ) , unc is negative , and so C is not pos. def. ( see 1.22 , Theorem X ) .
3 Unfortunately for those who are left-handed , a MouseMan Cordless for them is not available.By comparison the receiver unit is a modestly styled compact box with a conventional 9-pin D-type serial lead .
4 Precisely who first devised the conical form of the sail on the special stunters that followed out of California and Hawaii is not recorded.The camber of the sail was natural anyway , the Radcliffe bridle had established the bridle points , but the new designers ( Tony Cyphert and Don Tabor are often credited ) added the rear cross-spar and this permitted the trihedron bridle which also absorbed the strain on glass fibre spars .
5 The blight of ‘ 87 is not media cowardice , record companies asleep at the wheel , callous insipidness , the return of rock , incoherence , a lack of great songs , but rather , a surfeit of PASSION .
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