Question: Reminder: When completing or constructing proofs, be sure to have the relevant rules sheet with you for reference! Complete this formal proof of Ex (

Reminder: When completing or constructing proofs, be sure to have the relevant rules sheet with you for reference!
Complete this formal proof of Ex(P(x)&~R(x)).
1. P(a)&Q(a) Premise
2. R(a)->~Q(a)

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