Determine whether the conclusion is valid. Include Rules of inferences used in your solution
If you are not in the tennis tournament, you will not meet Ed.
If you aren't in the tennis tournament or if you aren't in the play, you won't meet Kelly.
You meet Kelly or you don't meet Ed
It is false that you are in the tennis tournament and in the play.
Therefore, you are in the tennis tournament.
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.