The question asks you to prove A v C(adsbygoogle = window.adsbygoogle || []).push({});

This is what I have. Everything is correct until the last question, #11

1. A V C

2. ~BvC

3.(new subproof) B

4. (new subproof ~B

5. contradiction contradiction intro 4,3

(end subproof from 4-5)

6. ~BvC V Intro 2

(end subproof from 3-6)

7. (new subproof) A

8. A v B vINTRO 1

(end subproof from 7-8)

9.(new subproof) C

10. ~BvC (vINTRO 2)

(end subproof 9-10)

11.A v C VINTRO ??????

Thanks!

-J

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# Symbolic logic help please, please!

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