A Fortiori Argument
The Latin phrase argumentum a fortiori denotes "argument 'from stronger '." For example, if it has been established that a person is deceased, then one can, with equal or greater certainty, argue that the person is not breathing.
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Famous quotes containing the word argument:
““English! they are barbarians; they don’t believe in the great God.” I told him, “Excuse me, Sir. We do believe in God, and in Jesus Christ too.” “Um,” says he, “and in the Pope?” “No.” “And why?” This was a puzzling question in these circumstances.... I thought I would try a method of my own, and very gravely replied, “Because we are too far off.” A very new argument against the universal infallibility of the Pope.”
—James Boswell (1740–1795)