- I would like to understand something meaningful about Y.
- Y seems to me to be dependent upon something about it’s relationship with an unknown, labeled X.
`Y|~X`

- “Y given unknown entity X”

- I know that I do not know what X is.
- How do I know that I don’t know what X is?
- How do I know that I sense that Y seems to be in relationship with X?
- How does knowing that I don’t understand the relation between Y and X factor into my current understanding of Y?
`Y => Y(Y|~X)`

- Given the existence of X, it seems likely that Y could also depend upon a relationship with Q, a thing I do not sense.
- Is there a way to incorporate my understanding of what I do not understand about Y=>X into my understanding of what I do not understand Q ?
`Y => Y{(Y|~X), (Y|~[!Q||Q])}`

# Is there a metaphor in machine learning for the following concept?

Given a list of ideas, which also has some “pseudo-notation” that may be more harmful than helpful, but I think is helping me: