List of inverted letters and their applications

Upside-down letters, as in ∀, and left-side-right letters, as in ∃, are used in mathematics and logic to indicate for all and there exists. Do you know other examples of such inversions in other fields. Is there a name for the practice?

Answer

LaTeX, used by mathematicians for typesetting, has \mho \Game \Finv meaning respectively Ω G F rotated 180°. Presumably these are used in mathematics…

Attribution
Source : Link , Question Author : Maesumi , Answer Author : GEdgar

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