Minimal Derivations. Provide natural deduction proofs of the following. These deductions require only the use of minimal logic. Some of these sequents have a double turnstile. This means you need to prove both directions. (a) (a^B)→a → (B →y) (b) τα V-37 (αΛΒ) (c)(a V B) +¬^¬B

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Question:
Minimal Derivations. Provide natural deduction proofs of the following. These
deductions require only the use of minimal logic. Some of these sequents have a
double turnstile. This means you need to prove both directions.
(a) (a^B)→a → (3→y)
(b) a V¬B(α ^ ß)
(c)(a VB) ¬¬B
(d) a →B, B→y+ay
(e) a VB, a, B8+7V8
Transcribed Image Text:Question: Minimal Derivations. Provide natural deduction proofs of the following. These deductions require only the use of minimal logic. Some of these sequents have a double turnstile. This means you need to prove both directions. (a) (a^B)→a → (3→y) (b) a V¬B(α ^ ß) (c)(a VB) ¬¬B (d) a →B, B→y+ay (e) a VB, a, B8+7V8
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