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How would I prove the argument below to be valid or invalid using any method in logic. It is obvious that nuclear energy is not needed.

How would I prove the argument below to be valid or invalid using any method in logic.


It is obvious that nuclear energy is not needed.  Nuclear energy is needed if and only if solar energy cannot be harnessed.  And it is also true both that solar energy cannot be harnessed only if funds to do so are not available, and that funds are available

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