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Three dots in an upward-pointing triangle, introducing a conclusion.
Also known as: Three dots symbol, Conclusion sign, Triangle of dots
The therefore sign marks the conclusion of a logical or mathematical argument. Its mirror image, three dots pointing down, means 'because'.
Introduces the conclusion of an argument or proof, and is read aloud as 'therefore'.
Contexts: Mathematics
Has a counterpart with the dots inverted (∵) meaning 'because', which introduces a premise rather than a conclusion.
Contexts: Mathematics
Three dots arranged as a triangle with one dot above and two below.