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zagadka314

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logic

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6 Questions

Votes Activity Newest Views
1
5
votes
5
answers
207
views

Proof that deduction is valid in all possible realities?

philosophy-of-logic deduction
Aug 22 '15 at 16:33 Mozibur Ullah 1
 
3
votes
2
answers
2k
views

LPL 10.26 - Fitch - How to use ∀ Intro and ∃ Elim?

logic fitch
May 14 at 6:53 Mauro ALLEGRANZA 33.3k
 
3
votes
1
answer
2k
views

Logic – Deductive proof with quantifiers (Fitch/LPL 13.30)

logic
Aug 11 '15 at 19:44 Jo Wehler 17.2k
2
1
vote
1
answer
2k
views

Logic – Deduction in Tarski's World (Fitch/LPL 13.36)

logic proof fitch
Aug 12 '15 at 8:13 hellyale 768
 
0
votes
1
answer
614
views

FOL – Quantifiers and prenex form (from LPL 11.37)

logic
Jul 20 '15 at 15:58 Mauro ALLEGRANZA 33.3k
 
-1
votes
1
answer
73
views

Is it unethical to NOT donate unused processor time to science? [closed]

ethics
Dec 5 '15 at 20:38 gnasher729 3,287
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