This well known structure was already in use in the third century A.D. in India, denoting the number 3.
| The sign is also the sign for the measure drachma in ancient Greece, meaning a handful. The drachma was also (and still is) a Greek coin. |
Three identical and parallel lines in a vertical position signify three units and is a Latin numeral for 3. In geometry, when used between other signs, it means is similar to. In a special psychological sign system of unknown origin this sign means the active intellect.
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