1. ∼(∃X)Ax 2. (∀X)∼Ax ⊃ ∼(∃X)Bx

question 12

Multiple Choice

1. ∼(∃x) Ax
2. (∀x) ∼Ax ⊃ ∼(∃x) Bx
-Which of the following propositions is derivable from the given premises in M?

• A) ∼Ba
• B) (∃x) ∼Ax
• C) ∼(∀x)Ax ⊃ (∃x)∼Bx
• D) (∃x)Bx ⊃ ∼(∀x)Ax
• E) (∀x)Bx

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Definitions:

Panic Attack

A sudden episode of intense fear or discomfort, characterized by various physical symptoms, such as palpitations, sweating, and feelings of losing control or impending doom.

Obsessive-Compulsive Behaviour

A pattern of unreasonable thoughts and fears (obsessions) that lead to repetitive behaviors (compulsions), often recognized as a type of anxiety disorder.

Phobic Disorder

A type of anxiety disorder characterized by an excessive and irrational fear of an object, situation, or activity.

Panic Disorder

A psychiatric disorder characterized by sudden, repeated episodes of intense fear or panic attacks, often accompanied by physical symptoms and concerns about future attacks.