Actually DE, I don't need to grok it.
You actually reworded exactly the same answer I gave Zim.
And we are both wrong. THey don't ALL have to go down.
The correct answer is 'all but one' - One is NOT sufficient to provide valid transactions. At least TWO are required for validity.

Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good ...