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If an optical system consists only of an object and a single convex mirror,
Friendship
A close and trusted relationship between two or more people, typically characterized by mutual affection and support.
Prejudged
To make a decision or form an opinion about something or someone in advance, without full examination or knowledge.
Worthy of Friendship
A philosophical concept referring to qualities that make someone a good friend.
Valid Argument
An argument wherein if the premises are true, the conclusion necessarily follows.
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