Parlor puzzle with wrong solution (i think)

[Exterminatus Now]

Blue Box
"The gems are in the box with the word "blue" on it"
White Box
nothing
Black Box
"The gems are in a box that is actually blue"

Solution: Black box (looked that one up)

Both the blue box and the black box have the word "blue" on it, so the blue box statement is false, since the gems cant be in two boxes. That means the black box must be right, so the gems should be in the blue box.

Or should one disregard the "blue" on the blue box?

[amoe06]

Since the word "Blue" is in quotes here, it doesn't count towards the criteria stated. These appear in a few other puzzles as well, with different words in quotes, or a similar concept.

[rumpelstiltskin]

i guess the blue box meant to say "..in a box with the word blue on it". so black fits, since it's a box with the word 'blue' on it.

[ラゲアス]

1 box contains only false statements, 1 box contains only true statements.
If blue box had a true statement, black would have to be false, therefore it's on the black box.
If blue box has a false statement, it couldn't be either in the blue or the black box, even though the black box would say it is in the blue box, so it can't be false.
So the blue box is telling the truth, and the black box is lying. So the gems aren't in the blue box (Because black lies), and the gems are in a box with the word "blue" (so either blue or black).

[Vardis]

The message for the blue box is probably "The gems are in a box with the word "Blue" on it." Which is true, because they're in the black box.

Originally posted by amoe06:

Since the word "Blue" is in quotes here, it doesn't count towards the criteria stated. These appear in a few other puzzles as well, with different words in quotes, or a similar concept.

I've never seen that to be the case, and isn't the issue in this puzzle.

[DrBoop!]

everyone is basically saying the same thing, but hopefully to clarify, blue box does not say

"The gems are in *all* boxes that contain the word "Blue" in their statement"

it is only saying the gems are in one of the boxes with blue in the statement.

the negation of the statement is then

"It is false that the gems are in a box that contain the word "Blue" in their statement"

which means it would be in the white box (which contradicts black saying its in the blue box at the same time)