Intro to Logic notes11

Intro to Logic notes11 - 11 Wednesday, July 25, 2007 10:42...

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Unformatted text preview: 11 Wednesday, July 25, 2007 10:42 AM Wedge out 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) 12) 13) 14) 15) 16) (PQ) v (PR) SHOW: (P&~Q) R CD P&Q As SHOW:R ID ~R As SHOW: X DD P 3&O ~Q 3&O SHOW:~(PQ) ID PQ As SHOW: X DD Q 7,10,O X 8,12,XI PR 1,9,vO ~P 5,14,O X 7,15,XI 1) 2) 3) 4) 5) 6) 7) 8) 9) 10) 11) (PQ) (PR) pr SHOW: (P&Q) R cd P&Q As SHOW: R DD SHOW: PQ CD P As SHOW: Q DD Q 3,&O PR 1,5,O P 3,&O R 9,10,O Intro to Logic Page 1 ...
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