SOLUTION: Use Fitch to give a proof of this arguments validity ~ExCube(x) -- Ax~Cube(x)

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Question 811816: Use Fitch to give a proof of this arguments validity
~ExCube(x)
--
Ax~Cube(x)
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
Fitch ...?

Please repost with a clear and complete question :)