Refer to the Following Formula

question 261

Multiple Choice

refer to the following formula:
∼(∀x) {(Ix • Jx) ⊃ [Kx ≡ (La • Lb) ]}
-Which of the following variables in the formula are free?

• A) The x that follows the I.
• B) The x that follows the J.
• C) The x that follows the K.
• D) All of the above.
• E) None of the above.

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Definitions:

Speech Act

A term in linguistics and the philosophy of language referring to an utterance that performs an action (such as promising, ordering, greeting).

Eye Fixation

The act of focusing one's eyes on a single location or object for a period, allowing for detailed visual processing.

250 Milliseconds

A measurement of time often referenced in psychology and neuroscience to discuss the speed of cognitive processes, particularly in visual perception and decision making.

Directive Speech Act

A type of speech act in which the speaker attempts to get the hearer to do something.