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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)

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Cacophony | Comment 2 of 4 |
The truthfulness of the declarations X and Z are indeterminate.

Some plunks are plinks, and since all plinks are plonks, some plunks are plonks (Y).

Edited on April 8, 2021, 1:25 pm
  Posted by Dej Mar on 2021-04-08 11:06:52

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