9000. And if he shall betroth her to his son. That this signifies if it agrees with any derived truth so that it can be conjoined therewith, is evident from the signification of "a son," as being truth (see n. 489, 491, 533, 1147, 2623, 2803, 2813, 3373, 3704, 4257), here derived truth, because by the master who is the father is signified the principal truth from which the rest are derived (n. 8981); and from the signification of "betrothing," as being to be conjoined (of which above, n. 8996).