Examlex
Use an Euler diagram to determine whether the argument is valid or invalid.
-All tigers are felines.
All felines are mammals.
All tigers nurse their young.
Mind
The set of cognitive faculties that enables consciousness, perception, thinking, judgment, and memory; a person's mental processes and state.
Stimulants
A category of drugs that speed up activity in the central nervous system, suppress appetite, and can cause a person to feel more awake, alert, and energetic; also called “uppers.”
Nervous System
The complex network of nerves and cells that transmit signals between different parts of the body, facilitating bodily functions and responses to the environment.
Depressants
A category of drugs that decrease activity in the central nervous system, slow down bodily functions, and reduce sensitivity to outside stimulation; also called “downers.”
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