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Two boxes labeled "A" and "B". The inscription on the box "A" states: "The inscription on the box" B "is correct and gold in a box" A "." The inscription on the box "B" states that "The inscription on the box" A "is not true, and gold in a box A". Assuming that one of the boxes is gold to tell which.

A: Decisions, seemingly does not exist. If the inscription on the box A is true, it is true, and the inscription on the box in, but it says that the inscription on the A - is false. If the inscription on the A - is false, so false inscription on B, but then must be true inscription on A.
If we consider the "and" in the subject, as the logical, the solution will appear in the puzzle, because in false words "Statement 1 and statement 2" presupposes the existence of at least one incorrect statement. Gold is in a box "B", the inscription on both boxes are false.

PS In general, the problem does not say that the one who tagged boxes, acted according to the rules of logic. After all, he could just put the gold into the first box, such as "B".