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Lincoln-Douglas debate


Lincoln–Douglas debate (commonly abbreviated as LD Debate, or simply LD) is a type of one-on-one debate practiced mainly in the United States at the high school level. It is sometimes also called values debate because the format traditionally places a heavy emphasis on logic, ethical values, and philosophy (also called as logos, ethos and pathos). The Lincoln–Douglas Debate format is named for the 1858 Lincoln–Douglas Debates between Abraham Lincoln and Stephen A. Douglas, because their debates focused on slavery and the morals, values, and logic behind it. LD Debates are used by the National Speech and Debate Association, or NSDA (formerly known as the National Forensics League, or NFL) competitions, and also widely used in related debate leagues such as the National Christian Forensics and Communication Association, the National Catholic Forensic League, the National Educational Debate Association, the Texas University Interscholastic League,Texas Forensic Association,Stoa USA and their affiliated regional organizations. The vast majority of tournaments use the current NSDA resolution.

Cases are logical syllogisms that attempt to prove the resolution morally permissible (Affirmative) or morally incorrect (Negative) . The typical (though not mandated) case is divided into a framework, which outlines the conditions for discussing the resolution, and contentions. The most essential part of the framework is the value structure, which is composed of an ultimate value (often called the value premise) that the case attempts to demonstrate the resolution action achieves/is in accordance with, and a value criterion. The value criterion is a way to attain, achieve and quantify the nebulous value. In most modern NFL resolutions, a value is often stated in the resolution. For example, "Resolved: Just governments ought to ensure food security for its citizens." Due to the fact that Justice is used in the resolution, it is an appealing value for many debaters. Morality is a common value due to its inclusion in many resolutions, followed by justice, social welfare, or other values depending on the topic. The framework also may contain definitions for purposes of clarity and/or excluding certain lines of argumentation, and preemptions/"spikes" that attempt to preclude certain arguments that one's opponent is expected to make. A narrow definition can be a spike. The contention(s), of which this type of case must have at least one, links the resolution to the value structure. A proper contention necessarily has a claim, which summarizes the argument, at least one warrant, which is a reason the claim is true, and an impact, which explains the importance of the argument—or specifically why this argument meets the value criterion. In addition, contentions often include sub-points.


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