19
The phantoms, or what is the same thing, the sprung-up notions, a, b, c, d, &c., are properties and circumstances peculiar to and connected with A only.
The phantoms, or what is the same thing, the sprung-up notions, p, q, r, s, t, &c., are properties and circumstances peculiar to and connected with B only.
The phantom, or what is the same thing, the sprung-up notion, cross x, is a property belonging to, or a circumstance connected with, both A and B.
Each of the phantoms, a, b, c, d, e, &c., p, q, r, s, t, &c., appears in consequence of having been heaved out from the abyss of nothingness, and erected before the imagination by one only of the two given notions, by A or by B. The phantom cross, appears in consequence of having been heaved out from the abyss of nothingness, and erected before the imagination by the combined power of both the two given notions, by A and by B.
Any phantom, which like the phantom cross x owes its birth to the two given notions, I will call a common phantom, or a common sprung-up notion. Let me illustrate this by an example:—
I put before the mind of one of my youngest pupils the two familiar notions to him, (A) reptile and (B) column. Reptile makes jump up before his mind a host of reptiles he has seen pictured in his little book. Column makes jump up before his mind a host of columns he has seen in London; there will rise no common phantom, i.e.
