Perhaps it may be sufficient to remark that the defects in question certainly exist, and detract to some extent from the authority of the work, more especially of those parts of it which deal with remoter periods, and were taken by Herodotus on trust from his informants, but that they only slightly affect the portions which treat of later times and form the special subject of his history.
The shades which distinguish these three forms are not without significance, but they in no way detract from the contractual character of concordats.
The fungus, Sorosporium scabies, which is the cause of the scab, does not penetrate into the flesh of the tuber, nor detract from its edible properties.
A few summits in the extreme south-west in the neighbourhood of Cape Ghir still exceed 11,000 ft., and although the steadily rising ground from the coast and the prominence of nearer summits detract from the apparent height, this is on an average greater than that of the European Alps.
Nor will it at all detract from him, dramatically regarded, if either by birth or other circumstances, he have what seems a half wilful overruling morbidness at the bottom of his nature.
Dr Ferriar, in his Illustrations of Sterne (published in 1798), pointed out several unacknowledged plagiarisms from Rabelais, Burton and others; but it is only fair to the critic to say that he was fully aware that they were only plagiarisms of material, and do not detract in the slightest from Sterne's reputation as one of the greatest of literary artists.
Traces of quinidine are also sometimes, though rarely, found in commercial quinine, but its presence does not detract in a medicinal point of view from the value of the latter.
In order of time the Peredur probably ranks latest in the series of Perceval romances, which, however, does not detract from its interest as a possible representative of genuine Welsh traditions, unknown to other writers.
But all these operations render the metals harder, and detract from their plasticity.
The general principle is that a treaty does not detract from sovereignty.