Quy tắc suy luận nào sau đây là quy tắc tam đoạn luận? A. ( P ∧ ( P → Q ) ) → Q ( P ∧ ( P → Q ) ) → Q

( P ∧ ( P → Q ) ) → Q ( P ∧ ( P → Q ) ) → Q

( ( P → Q ) ∨ ( Q → R ) ) → ( P → R ) ( ( P → Q ) ∨ ( Q → R ) ) → ( P → R )

( ( P → Q ) ∨ ( Q → R ) ) → ( Q → R ) ( ( P → Q ) ∨ ( Q → R ) ) → ( Q → R )

( ( P → Q ) ∧ ( Q → R ) ) → ( P → R ) ( ( P → Q ) ∧ ( Q → R ) ) → ( P → R )