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Syntax May 31, 2006 02:58PM |
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Re: Syntax May 31, 2006 05:26PM |
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1 (1) P v Q Premise 2 (2) ¬P Premise 3 (3) P Assumption 4 (4) ¬Q Assumption 2,3 (5) P & ¬P 2,3 &I 2,3 (6) ¬¬Q 4,5 ¬I 2,3 (7) Q 6 ¬E 8 (8) Q Assumption 1,2 (9) Q 1,3,7,8,8 vE
| 1. P v Q | 2. ¬P |- | | 3. P | | 4. ¬Q | |- | | 5. _|_ _|_ Intro: 2,3 | 6. ¬¬Q ¬ Intro: 4,5 | 7. Q ¬ Elim: 6 | | 8. Q | |- | | 9. Q Reiter | 10. Q v Elim: 1,3-7,8-9
1 (1) P v Q Premise 2 (2) ¬P Premise 3 (3) P Assumption 4 (4) ¬Q Assumption 2,3 (5) P /\ ¬P /\I 2,3 2,3 (6) ¬¬Q ¬I 4,5 2,3 (7) Q ¬E 6 8 (8) Q Assumption 1,2 (9) Q vE 1,3-7,8-8
Re: Syntax May 31, 2006 08:36PM |
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Re: Syntax June 07, 2006 04:24PM |
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Re: Syntax June 07, 2006 05:43PM |
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Re: Syntax June 20, 2006 06:30PM |
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Re: Syntax August 08, 2006 11:20AM |
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