Is this really correct?

[PoorLawyer]

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Next, some math. I have seen 21 cards which leaves 31, two of which are aces. So there are 29*2 ways he can have an ace in the hole, or 58 ways. (Did I get this right?). So it’s 58:2 or 29:1 against me winning. Getting only 12:1, I can’t call this, no?

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this doesn't seem quite right because it doesn't account for the times when he has KK or QQ, or is that the :2 in 58:2? I used to be pretty good at math, but high school itself is barely a memory...

This is the only math I can figure here: You have to be certain that he has aces at least 11 out of 12 times (about 92% sure) to fold here. Can you ever be that sure about something in this game, especially at those limits? Granted, you have a good read on the guy, so it may be close