Determine whether the following symbolized argument is valid or invalid. If invalid, provide a counterexample; if valid, construct a deduction.P ? (Q v R)~S v ~T(Q v R) ? (S & T)/? ~P

What will be an ideal response?


Valid. The deduction could look like this:

1. P ? (Q v R)
2. ~S v ~T
3. (Q v R) ? (S & T)/~P
4. ~(S & T) 2, DEM
5. ~(Q v R) 3,4, MT
6. ~P 1,5, MT

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