A
a fortiori. “with even stronger reason,” which applies to a situation in
which if one thing is true then it can be inferred that a second thing is
even more certainly true.
a priori assumption. An assumption that is true without further proof or
need to prove it.
ab initio. From the beginning.
ab intestato. From an intestate. ‘Succession ab intestato’ refers to
succession to the property of one who has not disposed of it by will.
acte clair. Doctrine of EU law whereby a national court which considers
that a point of Community law raised before it is ‘sufficiently clear’ may
apply it without reference to the European Court.
actus reus. A phrase referring to elements of the definition of an offence
(save those which concern the condition of the mind of the accused),
e.g., his outward conduct.
actus non facit reum nisi mens sit rea. An act does not itself constitute
guilt unless the mind is guilty. The maxim embodies a cardinal doctrine
of English criminal law.
ad idem. Of the same mind; similar in essential matters. A binding
contract, for example, requires consensus ad idem (agreement as to the
same thing) by both parties.
ad valorem. In proportion to the value. In the case of an ad valorem tax,
the amount paid is proportionate to the value of the article taxed.
ademption. Failure of a gift because the will-maker, by the time of
death, no longer owns the property that the will-maker attempted to
bequeath in the will.