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The definition in this article should probably be clarified since, I'm assuming, in the statement "A unless B", A is not called the antecedent even though it comes first, because logically, the statement is equivalent to "if not B then A". Thus A is actually the consequent. Right? - dcljr (talk) 20:51, 15 January 2011 (UTC)
True, referring to "first" and "second" is not a good definition (one also occasionally says "B if A"). Regarding unless, doesn't the statement mean "(not A) if and only if B"? AmirOnWiki (talk) 10:21, 16 November 2013 (UTC)