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What's this in his arm? I've never seen such notation.

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closed as too localized by William, t.b., Michael Greinecker, rschwieb, J. M. Sep 19 '12 at 9:29

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This look like Frege's "Begriffsschrift". Try to translate it using the syntax desciption in the Wikipedia article I linked.

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Some more characters to say thanks. =) – Gustavo Bandeira Sep 4 '12 at 6:44

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