Legal Dictionary

A Fortiori

A Fortiori is a Latin term commonly used in legal and philosophical contexts. It refers to an argumentative strategy where an assertion is made, typically more strongly, based on the acceptance or proof of a related or lesser assertion. Essentially, if one fact is established, then one can infer that a second, more significant fact is also true.

Frequently Asked Questions

How is A Fortiori used in legal arguments?

In legal arguments, A Fortiori is often used to strengthen a case or argument. If a lawyer can prove a lesser point, they can use A Fortiori reasoning to assert that a greater or more significant point must also be true. This form of argument is often used in statutory interpretation and case law.

Can you provide an example of A Fortiori in a legal context?

In a legal context, "a fortiori" could be used to argue that if a certain legal principle applies in a less severe situation, it should certainly apply in a more severe situation. For example, if a court has previously ruled that theft is illegal, then "a fortiori," it should also be considered illegal to engage in armed robbery, which is a more serious offense.
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