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A comment on The Map of Mathematics [video]. Parent comment

Re:The Map of Mathematics [video] by 0xdada on Thursday February 09, 2017 @01:28PM (#13609444)
It's not a tree ;)
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Re:The Map of Mathematics [video] by pash on Thursday February 09, 2017 @01:38PM (#13609539)
Whoops, you're right. Just a DAG.
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