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(P&Q)&R (AvvB)harr(C&D) (PvvQ) P R->P PvvQ (S&P) ((AharrB)&C)&D (AvvB)&(PvvQ) (AharrB)vv(B->P) (P&R)vv((Q&R)->P) ((P->Q)->(PvvQ))&((PvvQ)->(P->Q)) ((PvvQ)&(PvvQ))

(P&Q)&R

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(AvvB)harr(C&D)

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(PvvQ)

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P

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R->P

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PvvQ

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(S&P)

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((AharrB)&C)&D

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(AvvB)&(PvvQ)

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(AharrB)vv(B->P)

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(P&R)vv((Q&R)->P)

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((P->Q)->(PvvQ))&((PvvQ)->(P->Q))

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((PvvQ)&(PvvQ))

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((P&(P->Q))&(Q->R))&(R->P)

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(PvvP)->((QvvQ)harr((P&Q)vv(P&Q)))
image text in transcribed
8. ((AB)&C)&D 9. (AB)&(PQ) 10. (AB)(BP) 11. (P&R)((Q&R)P) 12. ((PQ)(PQ))&((PQ)(PQ)) 13. ((PQ)&(PQ)) 14. ((P&(PQ))&(QR))&(RP) 15. (PP)((QQ)((P&Q)(P&Q))) 8. ((AB)&C)&D 9. (AB)&(PQ) 10. (AB)(BP) 11. (P&R)((Q&R)P) 12. ((PQ)(PQ))&((PQ)(PQ)) 13. ((PQ)&(PQ)) 14. ((P&(PQ))&(QR))&(RP) 15. (PP)((QQ)((P&Q)(P&Q)))

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