What does three dots in a upside down triangle mean?

Answer 1

SYMBOLS USED IN WRITING

Three dots in a non-inverted triangle shape ( ∴ ) means 'therefore.'

Three dots in an upside-down triangle shape ( ∵ ) means 'because'.

SAFETY SYMBOLS

∵ is also used to mark a "threat".

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Answer 2

Three dots in an upside-down triangle shape ( ∵ ) means 'because