User blog comment:Bubby3/Larger cardinals vs indescribable cardinals/@comment-1605058-20161126214835/@comment-5529393-20161210182854

And also, if you could answer LittlePeng9's other questions - what E[a,b] means, what $$\Pi[1,0,...,0,0]$$ means, what $$\Pi^0_{\Sigma^1_0}$$ means. Or if you could llink to these other places with the same information, that would be great.