ndicate whether each argument is valid or invalid. If an argument is valid, then the argument uses exactly one of the rules of inference. ndicate which rule is used for the argument. If the argument is invalid, give truth assignments to the propositions "Sally took the medication and Sally had side effects" that prove the argument is invalid. For example a solution might be: Invalid. Sally took the medication -F,Sally had side effects T Sally had a side effect or Sally took the medication Sally took the medication. Sally did not have side effects If Sally took the medication then she had side effects Sally did not take the medication Sally did not have side effects