Talk:Reversion of Power Series

rephrase as inverse function?

"Then $x$ is also a series of $y$." doesn't seem rigorous to me. Could we relate this to multi-function? Do we have a definition page for inverse function? Thanks. --Hbghlyj (talk) 01:05, 15 March 2024 (UTC)

I don't know. Can you find one? --prime mover (talk) 01:06, 15 March 2024 (UTC)