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Comment by hyperhello

9 hours ago

Okay, I’m tired. Not quite inverse but per the title , must be a way.

1 comment

hyperhello

Reply

freehorse  8 hours ago

I was mistaken above in the first identity, it is

eml(1,eml(x,1)) = e - x

Which then if you iterate gives x (ie is inverse of itself).

eml(1,eml(eml(1,eml(x,1)),1)) = x

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