2023-2 Modal Logic (Segment 1)
Q) Prove the following by Translation into quantification theory (you may use conditional proof).
- Trans(R) & Symm(R) ├ Mp ∧ Mq .⊃. M(p ∧ Mq)
- Trans(R)├ M(Lp ⊃ Mq) ⊃ M(p ⊃ q)
- Symm(R) ├ p ⊃ LMp
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