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์ด์‚ฐ์ˆ˜ํ•™ ์š”์ ์ •๋ฆฌ (3/5)

Propositional logic ๋ช…์ œ ๋…ผ๋ฆฌ ๋ฌธ์ œ 1. ์ง„๋ฆฌ๊ฐ’ ์ž‘์„ฑ ๋ฌธ์ œ : ํ‘œํ˜„์‹์— ํ•ด๋‹นํ•˜๋Š” ์ง„๋ฆฌ๊ฐ’์„ T ๋˜๋Š” F๋กœ ์ฑ„์šฐ์‹œ์˜ค. (์Œ์˜ ์˜์—ญ์— ์ •๋‹ต ํ‘œ์‹œ) P Q expression Value T T P V Q T T F P Λ ¬ Q T F T P → Q T F F ¬P ↔ Q F 2. ๋ช…์ œ์‹์œผ๋กœ ํ‘œํ˜„ํ•˜๊ธฐ ๋ฌธ์ œ: ๋‹ค์Œ์„ ๋ช…์ œ์‹์œผ๋กœ ํ‘œํ˜„ํ•˜์‹œ์˜ค. "ํ†ฐ์€ ์ˆ˜ํ•™ ์ „๊ณต์ด๊ณ , ์ปดํ“จํ„ฐ ์‹ธ์ด์–ธ์Šค ์ „๊ณต์€ ์•„๋‹ˆ๋‹ค." P: ํ†ฐ์€ ์ˆ˜ํ•™ ์ „๊ณต์ด๋‹ค. Q: ํ†ฐ์€ ์ปด์‹ธ ์ „๊ณต์ด๋‹ค. ๋“œ ๋ชจ๋ฅด๊ฐ„์˜ ๋ฒ•์น™์„ ์‚ฌ์šฉํ•˜์—ฌ ํ‘œํ˜„์˜ ๋ถ€์ •์„ ์ž‘์„ฑํ•˜๊ณ , ์˜๋ฏธ๋ฅผ ์ ์œผ์‹œ์˜ค. ๋‹ต: ๋ช…์ œ์‹์œผ๋กœ ํ‘œํ˜„ํ•˜๊ธฐ P Λ ¬ Q (ํ†ฐ์€ ์ˆ˜ํ•™ ์ „๊ณต์ด๊ณ , ์ปด์‹ธ ์ „๊ณต์€ ์•„๋‹ˆ๋‹ค.) ๋“œ๋ชจ๋ฅด๊ฐ„ ๋ฒ•์น™ ์ ์šฉํ•˜๊ธฐ ¬ (P Λ ¬ Q) = ¬ P V Q (๋“œ๋ชจ๋ฅด๊ฐ„ ๋ฒ•์น™) c. ์˜๋ฏธ ¬ ..

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