Question

1. Give a proof that pAg-gApin two column format using the following inference rules: (a) To prove AB: Prove AB Prove B → A.
Can someone please explain how to go about the first question only? For the justifications in the second column you can use a format like this: Rule(a) or a(1,2).

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Answer #1

-r with the he. et -them we have-t-o Heve Arom -thi vul >) by the le b enby Co Mpayive T0 CS

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