PRINCIPLE STATEMENT

It may be difficult to distinguish between a ground of appeal based on error in law and a ground based on misdirection on the facts of a case; it is more difficult to distinguish between a ground of appeal based on error of law and a ground on mixed law and fact as the line of distinction is always very thin; care must be taken not to inadvertently convert a ground based on mixed law and fact into a ground based on error in law.

RATIO DECIDENDI (SOURCE)

Per Adio, JSC, in Amuda v. Adelodun & Anor (1994) NLC-2271988(SC) at p. 6; Paras. A—B.
"It may be difficult to distinguish between a ground of appeal which is based on an error in law and a ground based on misdirection on the facts of a case. It is more difficult to distinguish between a ground of appeal based on error of law and a ground of appeal on mixed law and fact as the line of distinction is always very thin. Care must, therefore, be taken not to inadvertently convert a ground based on mixed law and fact into a ground based on error in law."
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EXPLANATION / SCOPE

This reinforces Principle 389 while emphasizing the classification difficulty. The distinctions are: Pure law error: misunderstanding or misapplication of legal principles to established facts. Fact misdirection: errors in finding or evaluating facts. Mixed law and fact: intertwined challenges requiring fact re-examination before law application. The “very thin” dividing line between law and mixed law/fact creates classification challenges. Courts must avoid: inadvertently treating mixed grounds as pure law grounds (which would circumvent leave requirements), allowing appellants to disguise factual challenges as legal ones, or incorrectly applying appellate procedures. The warning to “take care” recognizes: the difficulty is real and requires careful analysis; misclassification has serious consequences (jurisdictional competence, leave requirements); and courts must examine substance, not form. This principle acknowledges classification difficulty while insisting on proper categorization to ensure: appropriate procedures apply, leave is obtained when required, and appellate jurisdiction is properly invoked.

CASES APPLYING THIS PRINCIPLE