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Mathematics, 10.04.2020 22:10 cearp

1 ) P ⊇ [(p ⊇ q) ⊇ q]
2 ) (p • q) • (p ⊇ ~q)
3 ) [p ⊇ (p ⊇ q)] ⊇ q

I need the truth tables for these and to know if they are tautologous, self-contradictory, or contingent.
this is for into to logic philosophy class

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1 ) P ⊇ [(p ⊇ q) ⊇ q]
2 ) (p • q) • (p ⊇ ~q)
3 ) [p ⊇ (p ⊇ q)] ⊇ q

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