Question: Construct derivations to show the validity of the listed arguments. Abbreviations are the same as in previous chapters. When the argument turns a light

Construct derivations to show the validity of the listed arguments. Abbreviations are

P.Q. (P+ ( QR)) - R 1. Submit 4.4 P.(-Q --P) Submit 4,5 P.(- QP) - Q 1. I Submit

Construct derivations to show the validity of the listed arguments. Abbreviations are the same as in previous chapters. When the argument turns a light green color, then you can press the "submit" button to submi your work. 4.1 PEP 1. Submit O 4.2 P. (P - (P - Q) -Q 1. Submit O 4.3 P, Q. (P - (Q + R)) -R P.Q. (P- (Q - R))FR 1. Submit O 4.4 -P, (Q - P) -Q Submit O 4,5 P. (Q + P) -Q 1, 1. Submit

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