Derive the Conclusions of Each of the Following Arguments Using $\lor$

question 160

Essay

derive the conclusions of each of the following arguments using the rules of inference from section 3.4 (MP, MT, DS, HS, Add, Conj, Simp, CD, DM, Dist, Assoc, Com, DN, Cont, Impl, Equiv, Exp, Taut).
-1. A ⊃ ∼B
2. A $\lor$ (B ≡ ∼C)
3. B / ∼C

---

Definitions:

Cerebral Cortex

The outer layer of the cerebrum, involved in various high-level brain functions such as thought, memory, and consciousness.

Facial-feedback Hypothesis

The theory that suggests that facial expressions can influence emotional experiences.

Depressed

A condition characterized by a reduced mood and lack of interest in actions, influencing an individual's thoughts, actions, emotions, and overall health.

Frowns

Facial expressions indicating displeasure, concern, or disapproval, usually characterized by a furrowing of the brow.