argumentum ab inconvenient

from Bouvier's Law Dictionary, Revised 6th Ed (1856)
ARGUMENTUM AB INCONVENIENTI. An argument arising from the inconvenience
which the construction of the law would create, is to have effect only in a
case where the law is doubtful where the law is certain, such an argument is
of no force. Bac. Ab. Baron and Feme, H.
    

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