August 2018 1 16 Report
Sprawdz czy zadanie logiczne jest tautologią :
1. p => q
2. ~(~p)<=>p
3. (p=>q) <=> (~q=>~ p)
4. ~(p∩q) <=> ~ p=> ~q
5. (p=>q) <=> (~p U q)
6. p ∩ (q ∩ r )<=>(p ∩ q)∩ r
7. (p => ~q) ∩( q U ~p)
8. (p∩q)=>p
9. (~p => p ) => p
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