Sj T.

asked • 10/13/20

Logic: Construct formal proofs for the following

1. A ⊃ (~B ⊃ ~A)

A ⊃ B


2. ~C

(D ∧ C) ⊃ E


3. F ⊃ G

F ∨ (H ∧ G)

G


4. ɪ ≡ J

K ∨ ~J

ɪ ⊃ K

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