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Term: qed

Description:

Qed is an abbreviation derived from the Latin phrase "quod erat demonstrandum," which means "thus it is proved" or "that which was to be demonstrated." It is often used to conclude a proof or argument, indicating that the desired outcome has been proven.

Senses:

Sense 1:

Part of Speech: Abbreviation

Usage: Used in mathematics and logic to mark the end of a proof or demonstration. Signifies that the desired conclusion has been logically proven.

Example Sentence: By showing that the triangles are congruent, we've established that the angles are equal, qed.

Sense 2:

Part of Speech: Noun

Usage: Refers to the concluding statement of a proof or argument.

Example Sentence: The theorem states that the sum of the angles in a triangle is 180 degrees, and the proof concludes with the strong assertive, qed.

Sense 3:

Part of Speech: Adjective

Usage: Describes something which is certain, unquestionable, or conclusively proven.

Example Sentence: The validity of the theory has been extensively tested and has now become a qed principle in the field.

Possible Related Products:

Mathematics Proof Books on Amazon

Logic Textbooks on Amazon