Why 2 ^^ 1 ^^ 2 = 2?

Kagamin spam at here.lot
Thu Oct 26 10:02:54 UTC 2017


On Sunday, 22 October 2017 at 22:28:48 UTC, Ivan Kazmenko wrote:
> Yeah, and a height-3 tower $a^{b^c}$ (TEX notation)

Is $a^{b^c}$ the same as ${a^b}^c$ ? They are drawn slightly 
differently, so I suppose it's ambiguous indeed.


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