Wiktionary
n. (context chiefly formal in legal logic etc. English) (non-gloss definition: Used in numerous Latin phrases (and occasionally alone) in the sense of “appeal” or “argument”.)
Wikipedia
Usage examples of "argumentum".
What Dixon would call the argumentum ad hominem seems justifiable here.
An argumentum ad logic am a brilliant caricature, plausible-sounding and laced with shards of the truth.
He went so far in defence of the rights of man, that he put his foot into several heresies, for which men had been burned so often, it was time, if ever it could be, to acknowledge the demonstration of the argumentum ad ignem.
Frenchman, finding himself puzzled by the learning of his antagonist, had recourse to the argumentum ad hominem, by laying his hand upon his sword, and declaring that he was ready to lose the last drop of his blood in opposition to such a damnable scheme.
But I shall take the liberty to employ, on this occasion, the argumentum ad hominem.
I might answer by the argumentum ad hominem, and ask what should be done if a perfect kangaroo were seen to come out of the womb of a bear?
He went so far in defence of the rights of man, that he put his foot into several heresies, for which men had been burned so often, it was time, if ever it could be, to acknowledge the demonstration of the argumentum ad ignem.
An honest man should be ashamed of such an argumentum ad ignorantiam.