 Dumbleton’s response to the paradox was to deny that the premise (of his version, ‘This inference is valid’) constitutes a proposition, given the regressive reference of its subject (‘this inference’—which inference?—‘this inference’, …; see  3.6 John Dumbleton).  Albert’s response, however, in line with his general approach to the insolubles, is to agree that his inverted inference is indeed invalid, but to deny that it follows that C (‘This inference is invalid’) is true, for C signifies more than just that A is invalid. Thus the premise (‘God exists’) can be true without the conclusion being true, and so the inference really is invalid.