The soundness of the dilemmatic argument in general depends on the alternative possibilities.
In the narrower sense thus indicated the "fathers" of the Church are the great bishops and other eminent Christian teachers of the earlier centuries, who were conspicuous for soundness of judgment and sanctity of life; and whose writings remained as a court of appeal for their successors.
The second relation, as we have seen, is not a strict consequence of theory, and experiments to examine it must be treated as an investigation of the limits within which solutions are dilute within the thermodynamic sense of the word, rather than as a test of the soundness of the theory.
The views of de Vries and others as to the importance of " saltatory variation," the soundness of which was still by no means generally accepted in 1910, may be gathered from the articles Mendelismvi and Variation.
The soundness of these views and the legitimacy of Uitlander aspirations were recognized by a few Boer officials at Pretoria.