from The Century Dictionary and Cyclopedia
- That cannot be predicated or affirmed.
- That cannot be predicted.
Sorry, no etymologies found.
But in my view, non-theistic religions suffer from paradoxes of impredication, e.g. Buddhists postulate “the emptiness of emptiness” which I believe is impredicable (takes too long to fully explain here).
Thus, while animal is predicable of horse, and horse of Bucephalus, Bucephalus stands by himself, impredicable of, and hence, numerically different from anything else.
There is, no doubt, one constant element in the reckoning, namely, human nature, and perhaps another in human nature itself, -- the tendency to reaction from all extremes; but the way in which these shall operate, and the force they shall exert, are dependent on a multitude of new and impredicable circumstances.
In Russell's terminology, the question whether the word ` impredicable 'is predicable or, alternatively, is impredicable
(Perhaps a more accurate pair of terms would be ` self-impredicable 'and ` self-predicable.')
Various logicians, among them pre-eminently Bertrand Russell, noted that the antinomies of logic tended to contain the concept that Mr. Pollock calls ` nonself-referring, 'and which in mathematics is usually called ` impredicable,' as contrasted with ` predicable. '