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Euphony (Posted on 2021-04-08) Difficulty: 1 of 5
If all plinks are plonks and some plunks are plinks, which of these statements must be true?

X: All plinks are plunks.
Y: Some plonks are plunks.
Z: Some plinks are not plunks.

Source: Crux Mathematicorum, 2004:

No Solution Yet Submitted by Ady TZIDON    
Rating: 3.0000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Some Thoughts re: Cacophony | Comment 3 of 4 |
(In reply to Cacophony by Dej Mar)

"It is given that all plinks are plonks, yet
it is not given whether none, some, or all plonks are plinks."

Assuming at least one plink exists, it would not be possible for none of the plonks to be plinks.  At least one of them must be.  
  Posted by tomarken on 2021-04-08 13:14:04
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