suppose the variable x represents students and y represents courses, and: 
Write the statement using these predicates and any needed quantifiers.
-Every part-time freshman is taking some upper-level course.
Definitions:
Electrical Pulses
Rapid bursts of electrical energy that are used in various applications, from medical treatments to electronic devices.
Keypad
A set of keys on a device or machine, arranged in a systematic way, that are pressed to input data or operate a system.
McLuhan
Marshall McLuhan, a media theorist known for coining the expressions "the medium is the message" and "global village," focusing on how media affects societal structures and individual perceptions.
Medium
In sociological contexts, refers to a channel of communication that influences or facilitates social interaction or the dissemination of information.
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