Logical explanation of how you know something based entirely in anecdotal and unrelated evidence. Generally, this evidence can be traced back to a previous introspective conversation between you and yourself.

"I know that I left the milk on the counter becuase I was thinking to myself in that moment, isnt it odd that im leaving this milk on the counter."

I know that I did not leave the lights on last night becuase I remember thinking to myself as I turned the lights off, I'm going to need to be in the office early tomorrow. I remember that moment specifically, so I must not have been the one that left the lights on."

Got the covid-19 vaccine