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when toggle format what by license comment
Jun 2, 2017 at 3:49 history edited Peter Gerdes CC BY-SA 3.0
Explained what question was intended and also answered.
Jun 2, 2017 at 3:38 vote accept Peter Gerdes
Jun 2, 2017 at 3:37 history edited Peter Gerdes CC BY-SA 3.0
Added further explanation of notation.
Jun 2, 2017 at 0:31 answer added Joel David Hamkins timeline score: 3
Jun 1, 2017 at 23:36 history edited Peter Gerdes CC BY-SA 3.0
Made question at top more clear...added clarification if people don't recognize NBG
Jun 1, 2017 at 23:24 history asked Peter Gerdes CC BY-SA 3.0