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Check the validity of r:60 is a multiple...

Check the validity of `r:60` is a multiple of 3 or 5.

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Here the connective is or.
60 is a multiple of 3 (True)
60 is a multiple of 5 (True)
Thus the component statements are both true.`:.`The statement .r. :60 is a multiple of 3 ors is true, ie. .r. is a valid statement.
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